WO1998017366B1 - Sludge demulsification and liquefaction process and agents - Google Patents
Sludge demulsification and liquefaction process and agentsInfo
- Publication number
- WO1998017366B1 WO1998017366B1 PCT/US1997/019127 US9719127W WO9817366B1 WO 1998017366 B1 WO1998017366 B1 WO 1998017366B1 US 9719127 W US9719127 W US 9719127W WO 9817366 B1 WO9817366 B1 WO 9817366B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydrocarbon based
- volume
- percent
- liquefaction agent
- liquefying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Abstract
The invention involves the demulsification and liquefaction of hydrocarbon based sludges. A demulsifier and a liquefaction agent and methods of using the same are disclosed. In a preferred embodiment, the demulsifier contains a salt of DDBSA, polypropylene glycol, and citrene. In a preferred embodiment, the liquefaction agent contains a glycol ether and sodium silicate. In another preferred embodiment, the liquefaction agent contains a glycol ether and citrene. In preferred practice, the sludge is treated with the liquefaction agent, circulated, treated with the demulsifier, and circulated further. An object of the invention is to provide a hydrocarbon based sludge that is sufficiently liquefied to be pumped and which is sufficiently demulsified to allow the waters, oils, and solids in the sludge to separate.
Claims
1. A method of liquefying hydrocarbon based sludge comprising treating said sludge with an effective amount of a liquefaction agent comprised of glycol ethers; and circulating said liquefaction agent and said sludge.
2. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
3. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
4. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
5. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
6. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
7. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is further comprised of sodium silicate.
8. A method of liquefying hydrocarbon based sludge according to claim 7 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
9. A method of liquefying hydrocarbon based sludge according to claim 7 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
10. A method of liquefying hydrocarbon based sludge according to claim 7 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
11. A method of liquefying hydrocarbon based sludge according to claim 10 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
12. A method of liquefying hydrocarbon based sludge according to claim 10 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
13. A method of liquefying hydrocarbon based sludge according to claim 10 wherein said 39
acid is citric acid.
14. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
15. A method of liquefying hydrocarbon based sludge according to claim 14 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
16. A method of liquefying hydrocarbon based sludge according to claim 14 wherein said acid is citric acid.
17. A method of liquefying hydrocarbon based sludge according to claim 1 wherein said liquefaction agent is further comprised of a paraffin plasticizer.
18. A method of liquefying hydrocarbon based sludge according to claim 17 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
19. A method of liquefying hydrocarbon based sludge according to claim 17 wherein said glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
20. A method of liquefying hydrocarbon based sludge according to claim 17 wherein said paraffin plasticizer is comprised of a terpene.
21. A method of liquefying hydrocarbon based sludge according to claim 20 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
22. A method of liquefying hydrocarbon based sludge according to claim 20 wherein said glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
23. A method of liquefying hydrocarbon based sludge according to claim 17 wherein said paraffin plasticizer is comprised of citrene.
24. A method of liquefying hydrocarbon based sludge according to claim 23 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
25. A method of liquefying hydrocarbon based sludge according to claim 23 wherein said glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
26. A method of liquefying hydrocarbon based sludge comprising treating said sludge with an effective amount of a liquefaction agent comprised of polymerized glycol ethers; and circulating said liquefaction agent and said sludge.
27. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
28. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
29. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
30. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
31. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
32. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is further comprised of sodium silicate.
33. A method of liquefying hydrocarbon based sludge according to claim 32 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
34. A method of liquefying hydrocarbon based sludge according to claim 32 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
35. A method of liquefying hydrocarbon based sludge according to claim 32 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
36. A method of liquefying hydrocarbon based sludge according to claim 35 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
37. A method of liquefying hydrocarbon based sludge according to claim 35 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
38. A method of liquefying hydrocarbon based sludge according to claim 35 wherein said acid is citric acid.
39. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
40. A method of liquefying hydrocarbon based sludge according to claim 39 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
41. A method of liquefying hydrocarbon based sludge according to claim 39 wherein said acid is citric acid.
42. A method of liquefying hydrocarbon based sludge according to claim 26 wherein said liquefaction agent is further comprised of a paraffin plasticizer.
43. A method of liquefying hydrocarbon based sludge according to claim 42 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
44. A method of liquefying hydrocarbon based sludge according to claim 42 wherein said polymerized glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent
45. A method of liquefying hydrocarbon based sludge according to claim 42 wherein said paraffin plasticizer is comprised of a terpene.
46. A method of liquefying hydrocarbon based sludge according to claim 45 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
47. A method of liquefying hydrocarbon based sludge according to claim 45 wherein said polymerized glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
48. A method of liquefying hydrocarbon based sludge according to claim 42 wherein said paraffin plasticizer is comprised of citrene.
49. A method of liquefying hydrocarbon based sludge according to claim 48 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
50. A method of liquefying hydrocarbon based sludge according to claim 48 wherein said polymerized glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
51. A method of liquefying hydrocarbon based sludge comprising treating said sludge with an effect amount of a liquefaction agent comprised of 42
poly (oxy -1,2 ethanediyl) a butyl Ω hydroxy; and circulating said liquefaction agent and said sludge.
52. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
53. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
54. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
55. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
56. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said poly (oxy - 1, 2 ethanediyl) a butyl Ω hydroxy comprises at least about five (5) percent by volume of said liquefaction agent.
57. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is further comprised of sodium silicate.
58. A method of liquefying hydrocarbon based sludge according to claim 57 wherein said poly (oxy - 1, 2 ethanediyl) butyl Ω hydroxy comprises at least about five (5) percent by volume of said liquefaction agent.
59. A method of liquefying hydrocarbon based sludge according to claim 57 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
60. A method of liquefying hydrocarbon based sludge according to claim 57 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
61. A method of liquefying hydrocarbon based sludge according to claim 60 wherein said poly (oxy - 1, 2 ethanediyl) a butyl Ω hydroxy comprises at least about five (5) percent by volume of said liquefaction agent.
62. A method of liquefying hydrocarbon based sludge according to claim 60 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
63. A method of liquefying hydrocarbon based sludge according to claim 60 wherein said 43 acid is citric acid.
64. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent further comprises an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
65. A method of liquefying hydrocarbon based sludge according to claim 64 wherein said poly (oxy - 1, 2 ethanediyl) a butyl Ω hydroxy comprises at least about five (5) percent by volume of said liquefaction agent.
66. A method of liquefying hydrocarbon based sludge according to claim 64 wherein said acid is citric acid.
67. A method of liquefying hydrocarbon based sludge according to claim 51 wherein said liquefaction agent is further comprised of a paraffin plasticizer.
68. A method of liquefying hydrocarbon based sludge according to claim 67 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
69. A method of liquefying hydrocarbon based sludge according to claim 67 wherein said poly (oxy - 1, 2 ethanediyl) a butyl Ω hydroxy comprises at least about fifty (50) percent by volume of said liquefaction agent
70. A method of liquefying hydrocarbon based sludge according to claim 67 wherein said paraffin plasticizer is comprised of a terpene.
71. A method of liquefying hydrocarbon based sludge according to claim 70 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
72. A method of liquefying hydrocarbon based sludge according to claim 70 wherein said poly (oxy - 1, 2 ethanediyl) a butyl Ω hydroxy comprises at least about fifty (50) percent by volume of said liquefaction agent.
73. A method of liquefying hydrocarbon based sludge according to claim 67 wherein said paraffin plasticizer is comprised of citrene.
74. A method of liquefying hydrocarbon based sludge according to claim 73 wherein said paraffin plasticizer comprises at least about fifty (50) percent by volume of said liquefaction agent.
75. A method of liquefying hydrocarbon based sludge according to claim 73 wherein said poly (oxy - 1, 2 ethanediyl) butyl Ω hydroxy comprises at least about fifty (50) percent by volume of said liquefaction agent. 44
76. A method of liquefying hydrocarbon based sludge comprising treating said sludge with an effective amount of a liquefaction agent comprised of poly alky lene glycols; and circulating said liquefaction agent and said sludge.
77. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
78. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
79. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
80. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
81. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said poly alky lene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
82. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about
1,200.
83. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is further comprised of a terpene.
84. A method of liquefying hydrocarbon based sludge according to claim 83 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
85. A method of liquefying hydrocarbon based sludge according to claim 83 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
86. A method of liquefying hydrocarbon based sludge according to claim 83 wherein said terpenes comprise at least about twelve and one half (12.5) percent by volume of said liquefaction agent. 45
87. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is further comprised of citrene.
88. A method of liquefying hydrocarbon based sludge according to claim 87 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
89. A method of liquefying hydrocarbon based sludge according to claim 87 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
90. A method of liquefying hydrocarbon based sludge according to claim 87 wherein said citrene comprises at least about twelve and one half (12.5) percent by volume of said liquefaction agent.
91. A method of liquefying hydrocarbon based sludge according to claim 76 wherein said liquefaction agent is further comprised of glycol ethers.
92. A method of liquefying hydrocarbon based sludge according to claim 91 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
93. A method of liquefying hydrocarbon based sludge according to claim 91 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
94. A method of liquefying hydrocarbon based sludge according to claim 91 wherein said liquefaction agent is further comprised of a terpene.
95. A method of liquefying hydrocarbon based sludge according to claim 94 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
96. A method of liquefying hydrocarbon based sludge according to claim 94 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about
1,200.
97. A method of liquefying hydrocarbon based sludge according to claim 91 wherein said liquefaction agent is further comprised of citrene.
98. A method of liquefying hydrocarbon based sludge according to claim 97 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
99. A method of liquefying hydrocarbon based sludge according to claim 97 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
100. A method of liquefying hydrocarbon based sludge comprising: treating said sludge with an effective amount of a liquefaction agent comprised of polypropylene glycols; and circulating said liquefaction agent and said sludge.
101. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
102. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
103. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
104. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
105. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
106. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
107. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is further comprised of a terpene.
108. A method of liquefying hydrocarbon based sludge according to claim 107 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
109. A method of liquefying hydrocarbon based sludge according to claim 107 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about
1,200.
110. A method of liquefying hydrocarbon based sludge according to claim 107 wherein 47 said terpenes comprise at least about twelve and one half (12.5) percent by volume of said liquefaction agent.
111. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is further comprised of citrene.
112. A method of liquefying hydrocarbon based sludge according to claim 111 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
113. A method of liquefying hydrocarbon based sludge according to claim 111 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
114. A method of liquefying hydrocarbon based sludge according to claim 111 wherein said citrene comprises at least about twelve and one half (12.5) percent by volume of said liquefaction agent.
115. A method of liquefying hydrocarbon based sludge according to claim 100 wherein said liquefaction agent is further comprised of glycol ethers.
116. A method of liquefying hydrocarbon based sludge according to claim 115 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
117. A method of liquefying hydrocarbon based sludge according to claim 115 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
118. A method of liquefying hydrocarbon based sludge according to claim 115 wherein said liquefaction agent is further comprised of a terpene.
119. A method of liquefying hydrocarbon based sludge according to claim 118 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said liquefaction agent.
120. A method of liquefying hydrocarbon based sludge according to claim 118 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
121. A method of liquefying hydrocarbon based sludge according to claim 115 wherein said liquefaction agent is further comprised of citrene.
122. A method of liquefying hydrocarbon based sludge according to claim 121 wherein said polypropylene glycols comprise at least about fifteen (15) percent by volume of said 48 liquefaction agent.
123. A method of liquefying hydrocarbon based sludge according to claim 111 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
124. A liquefaction agent for liquefying hydrocarbon based sludges comprising: glycol ethers; sodium silicate; and water.
125. A liquefaction agent according to claim 124 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
126. A liquefaction agent according to claim 124 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
127. A liquefaction agent according to claim 124 further comprising an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
128. A liquefaction agent according to claim 127 wherein said acid comprises citric acid.
129. A liquefaction agent according to claim 124 wherein said glycol ethers are comprised of ethylene glycol butyl ether.
130. A liquefaction agent according to claim 129 wherein said ethylene glycol butyl ether comprises at least about five (5) percent by volume of said liquefaction agent.
131. A liquefaction agent according to claim 129 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
132. A liquefaction agent according to claim 129 further comprising an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
133. A liquefaction agent according to claim 132 wherein said acid comprises citric acid.
134. A liquefaction agent according to claim 124 wherein said glycol ethers are comprised of polymerized glycol ethers.
135. A liquefaction agent according to claim 134 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
136. A liquefaction agent according to claim 134 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
137. A liquefaction agent according to claim 134 further comprising an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
138. A liquefaction agent according to claim 137 wherein said acid comprises citric acid. 49
139. A liquefaction agent according to claim 124 wherein said glycol ethers are comprised of poly (oxy -1,2 ethanediyl) a butyl Ω hydroxy.
140. A liquefaction agent according to claim 139 wherein said poly (oxy -1,2 ethanediyl) butyl Ω hydroxy comprises at least about five (5) percent by volume of said liquefaction agent.
141. A liquefaction agent according to claim 139 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
142. A liquefaction agent according to claim 139 further comprising an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
143. A liquefaction agent according to claim 142 wherein said acid comprises citric acid.
144. A liquefaction agent for liquefying hydrocarbon based sludges comprising: glycol ethers; and terpenes.
145. A liquefaction agent according to claim 144 wherein said glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
146. A liquefaction agent according to claim 144 wherein said terpenes comprise at least about fifty (50) percent by volume of said liquefaction agent.
147. A liquefaction agent according to claim 144 wherein said terpenes are comprised of citrene.
148. A liquefaction agent according to claim 147 wherein said citrene comprises at least about fifty (50) percent by volume of said liquefaction agent.
149. A liquefaction agent according to claim 144 wherein said glycol ethers are comprised of ethylene glycol butyl ether.
150. A liquefaction agent according to claim 149 wherein said ethylene glycol butyl ether comprises at least about fifty (50) percent by volume of said liquefaction agent.
151. A liquefaction agent according to claim 149 wherein said terpenes comprise at least about fifty (50) percent by volume of said liquefaction agent.
152. A liquefaction agent according to claim 149 wherein said terpenes are comprised of citrene.
153. A liquefaction agent according to claim 152 wherein said citrene comprises at least about fifty (50) percent by volume of said liquefaction agent.
154. A liquefaction agent according to claim 144 wherein said glycol ethers are comprised of polymerized glycol ethers. 50
155. A liquefaction agent according to claim 154 wherein said polymerized glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
156. A liquefaction agent according to claim 154 wherein said terpenes comprise at least about fifty (50) percent by volume of said liquefaction agent.
157. A liquefaction agent according to claim 154 wherein said terpenes are comprised of citrene.
158. A liquefaction agent according to claim 157 wherein said citrene comprises at least about fifty (50) percent by volume of said liquefaction agent.
159. A liquefaction agent according to claim 144 wherein said glycol ethers are comprised of poly (oxy -1,2 ethanediyl) α butyl Ω hydroxy.
160. A liquefaction agent according to claim 159 wherein said poly (oxy -1,2 ethanediyl) butyl Ω hydroxy comprises at least about fifty (50) percent by volume of said liquefaction agent.
161. A liquefaction agent according to claim 159 wherein said terpenes comprise at least about fifty (50) percent by volume of said liquefaction agent.
162. A liquefaction agent according to claim 159 wherein said terpenes are comprised of citrene.
163. A liquefaction agent according to claim 162 wherein said citrene comprises at least about fifty (50) percent by volume of said liquefaction agent.
164. A method of demulsifying hydrocarbon based sludge comprising treating said sludge with an effective amount of a demulsifier comprised of polyalkylene glycols and DDBSA; and circulating said demulsifier and said sludge.
165. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said demulsifier is provided in a volume of at least about 0.5 percent the volume of said sludge.
166. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said demulsifier is provided in a volume of at least about 1.5 percent the volume of said sludge.
167. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said DDBSA comprises at least about sixty (60) percent by volume of said demulsifier.
168. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said DDBSA is provided in the form of a salt of DDBSA. 51
169. A method of demulsifying hydrocarbon based sludge according to claim 168 wherein said DDBSA salt comprises at least about sixty (60) percent by volume of said demulsifier.
170. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said DDBSA is provided in the form of an amine salt of DDBSA.
171. A method of demulsifying hydrocarbon based sludge according to claim 170 wherein said DDBSA amine salt comprises at least about sixty (60) percent by volume of said demulsifier.
172. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
173. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said demulsifier.
174. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said demulsifier is further comprised of a terpene.
175. A method of demulsifying hydrocarbon based sludge according to claim 174 wherein said terpene comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
176. A method of demulsifying hydrocarbon based sludge according to claim 164 wherein said demulsifier is further comprised of citrene.
177. A method of demulsifying hydrocarbon based sludge according to claim 176 wherein said citrene comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
178. A method of demulsifying hydrocarbon based sludge comprising treating said sludge with an effective amount of a demulsifier comprised of polypropylene glycols and DDBSA; and circulating said demulsifier and said sludge.
179. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said demulsifier is provided in a volume of at least about 0.5 percent the volume of said sludge.
180. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said demulsifier is provided in a volume of at least about 1.5 percent the volume of said sludge. 52
181. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said DDBSA comprises at least about sixty (60) percent by volume of said demulsifier.
182. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said DDBSA is provided in the form of a salt of DDBSA.
183. A method of demulsifying hydrocarbon based sludge according to claim 182 wherein said DDBSA salt comprises at least about sixty (60) percent by volume of said demulsifier.
184. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said DDBSA is provided in the form of an amine salt of DDBSA.
185. A method of demulsifying hydrocarbon based sludge according to claim 184 wherein said DDBSA amine salt comprises at least about sixty (60) percent by volume of said demulsifier.
186. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
187. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said demulsifier.
188. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said demulsifier is further comprised of a terpene.
189. A method of demulsifying hydrocarbon based sludge according to claim 189 wherein said terpene comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
190. A method of demulsifying hydrocarbon based sludge according to claim 178 wherein said demulsifier is further comprised of citrene. 191. A method of demulsifying hydrocarbon based sludge according to claim 190 wherein said citrene comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
191. A demulsifier for demulsifying hydrocarbon based sludges comprising:
DDBSA; and a polyalkylene glycol.
192. A demulsifier according to claim 191 wherein said DDBSA comprises at least about sixty (60) percent by volume of said demulsifier.
193. A demulsifier according to claim 191 wherein said DDBSA is provided in the form of 53 a salt of DDBSA.
194. A demulsifier according to claim 193 wherein said DDBSA salt comprises at least about sixty (60) percent by volume of said demulsifier.
195. A demulsifier according to claim 191 wherein said DDBSA is provided in the form of an amine salt of DDBSA.
196. A demulsifier according to claim 195 wherein said DDBSA amine salt comprises at least about sixty (60) percent by volume of said demulsifier.
197. A demulsifier according to claim 191 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
198. A demulsifier according to claim 191 wherein said polyalkylene glycols comprise at least about fifteen (15) percent by volume of said demulsifier.
199. A demulsifier according to claim 191 further comprising a terpene.
200. A demulsifier according to claim 199 wherein said terpene further comprises at least about twelve and one half (12.5) percent of said demulsifier.
201. A demulsifier according to claim 191 further comprising citrene.
202. A demulsifier according to claim 201 wherein said citrene further comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
203. A demulsifier for demulsifying hydrocarbon based sludges comprising:
DDBSA; and polypropylene glycol.
204. A demulsifier according to claim 203 wherein said DDBSA comprises at least about sixty (60) percent by volume of said demulsifier.
205. A demulsifier according to claim 203 wherein said DDBSA is provided in the form of a salt of DDBSA.
206. A demulsifier according to claim 205 wherein said DDBSA salt comprises at least about sixty (60) percent by volume of said demulsifier.
207. A demulsifier according to claim 203 wherein said DDBSA is provided in the form of an amine salt of DDBSA.
208. A demulsifier according to claim 207 wherein said DDBSA amine salt comprises at least about sixty (60) percent by volume of said demulsifier.
209. A demulsifier according to claim 203 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
210. A demulsifier according to claim 203 wherein said polypropylene glycols comprise at 54 least about fifteen (15) percent by volume of said demulsifier.
211. A demulsifier according to claim 203 further comprising a terpene.
212. A demulsifier according to claim 211 wherein said terpene further comprises at least about twelve and one half (12.5) percent of said demulsifier.
213. A demulsifier according to claim 203 further comprising citrene.
214. A demulsifier according to claim 213 wherein said citrene further comprises at least about twelve and one half (12.5) percent by volume of said demulsifier.
215. A method of liquefying and demulsifying a hydrocarbon based sludge comprising: treating said sludge with an effective amount of a liquefaction agent; treating said sludge with an effective amount of a demulsifier comprising
DDBSA; and circulating said sludge.
216. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is provided in a volume of at least about 0.5 percent the volume of said sludge.
217. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is provided in a volume of at least about 1.5 percent the volume of said sludge.
218. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is provided in a volume of at least about 0.5 percent the volume of said sludge.
219. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is provided in a volume of at least about 1.0 percent the volume of said sludge.
220. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is provided in a volume of at least about 2.5 percent the volume of said sludge.
221. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is provided in a volume of at least about 5.0 percent the volume of said sludge.
222. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is comprised of glycol ethers.
223. A method of liquefying and demulsifying a hydrocarbon based sludge according to 55 claim 222 wherein said glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
224. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 222 wherein said glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
225. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is comprised of ethylene glycol butyl ether.
226. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 225 wherein said ethylene glycol butyl ether comprises at least about five (5) percent by volume of said liquefaction agent.
227. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 225 wherein said ethylene glycol butyl ether comprises at least about fifty (50) percent by volume of said liquefaction agent.
228. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is comprised of polymerized glycol ethers.
229. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 228 wherein said polymerized glycol ethers comprise at least about five (5) percent by volume of said liquefaction agent.
230. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 228 wherein said polymerized glycol ethers comprise at least about fifty (50) percent by volume of said liquefaction agent.
231. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is comprised of poly (oxy - 1, 2 ethanediyl) butyl Ω hydroxy.
232. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 231 wherein said poly (oxy - 1, 2 ethanediyl) butyl Ω hydroxy comprise at least about five (5) percent by volume of said liquefaction agent.
233. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 231 wherein said poly (oxy - 1, 2 ethanediyl) butyl Ω hydroxy comprise at least about fifty (50) percent by volume of said liquefaction agent.
234. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 231 wherein said liquefaction agent is comprised of sodium silicate.
235. A method of liquefying and demulsifying a hydrocarbon based sludge according to 56 claim 234 wherein said sodium silicate comprises at least about five (5) percent by volume of said liquefaction agent.
236. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction is comprised of a teφene.
237. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 236 wherein said teφene comprises at least about fifty (50) percent of said liquefaction agent.
238. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction is comprised of citrene.
239. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 238 wherein said citrene comprises at least about fifty (50) percent of said liquefaction agent.
240. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said liquefaction agent is comprised of an acid of sufficient strength to reduce the pH of said liquefaction agent to between about 5 and about 6.
241. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 240 wherein said acid is comprised of citric acid.
242. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said DDBSA comprises at least about sixty (60) percent of said demulsifier.
243. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said DDBSA is provided in the form of a salt of DDBSA.
244. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 243 wherein said DDBSA salt comprises at least about sixty (60) percent of said demulsifier.
245. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is comprised of an amine salt of DDBSA.
246. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 245 wherein said DDBSA amine salt comprises at least about sixty (60) percent of said demulsifier.
247. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is comprised of polyalkylene glycols.
248. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 246 wherein said polyalkylene glycols have an average molecular weight of between about 950 and about 1,200.
249. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 247 wherein said polyalkylene glycols comprise at least about fifteen (15) percent of said demulsifier.
250. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is comprised of polypropylene glycols.
251. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 250 wherein said polypropylene glycols have an average molecular weight of between about 950 and about 1,200.
252. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 250 wherein said polypropylene glycols comprise at least about fifteen (15) percent of said demulsifier.
253. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is comprised of a teφene.
254. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 253 wherein said teφene comprises at least about twelve and one half (12.5) percent of said demulsifier.
255. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 215 wherein said demulsifier is comprised of citrene.
256. A method of liquefying and demulsifying a hydrocarbon based sludge according to claim 255 wherein said citrene comprises at least about twelve and one half (12.5) percent of said demulsifier.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE69733364T DE69733364D1 (en) | 1996-10-18 | 1997-10-20 | METHOD AND MEANS FOR SLUDGE EMULSION CLIP AND LIQUIDATION |
| BR9712545-8A BR9712545A (en) | 1996-10-18 | 1997-10-20 | Sludge demulsification and liquefaction process and agents |
| CA002268761A CA2268761A1 (en) | 1996-10-18 | 1997-10-20 | Sludge demulsification and liquefaction process and agents |
| AU49149/97A AU4914997A (en) | 1996-10-18 | 1997-10-20 | Sludge demulsification and liquefaction process and agents |
| EP97911877A EP0948383B1 (en) | 1996-10-18 | 1997-10-20 | Sludge demulsification and liquefaction process and agents |
| JP51961498A JP2001517141A (en) | 1996-10-18 | 1997-10-20 | Method and agent for demulsifying and liquefying sludge |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/733,528 US5858247A (en) | 1996-10-18 | 1996-10-18 | Sludge demulsification process and agents |
| US08/733,528 | 1996-10-18 | ||
| US08/733,527 | 1996-10-18 | ||
| US08/733,527 US6120680A (en) | 1996-10-18 | 1996-10-18 | Sludge liquefaction process and agents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1998017366A1 WO1998017366A1 (en) | 1998-04-30 |
| WO1998017366B1 true WO1998017366B1 (en) | 1998-06-04 |
Family
ID=27112584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1997/019127 Ceased WO1998017366A1 (en) | 1996-10-18 | 1997-10-20 | Sludge demulsification and liquefaction process and agents |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0948383B1 (en) |
| JP (1) | JP2001517141A (en) |
| AU (1) | AU4914997A (en) |
| BR (1) | BR9712545A (en) |
| CA (1) | CA2268761A1 (en) |
| DE (1) | DE69733364D1 (en) |
| WO (1) | WO1998017366A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6914036B2 (en) * | 2001-03-15 | 2005-07-05 | Baker Hughes Incorporated | Demulsifier for aqueous completion fluids |
| EA201101011A1 (en) * | 2008-12-24 | 2012-02-28 | Милрой Бизнес Менеджмент Лтд. | METHOD OF DISPOSAL OF OIL SLUDGE AND REAGENT FOR IT |
| CN116606047B (en) * | 2023-05-19 | 2025-07-18 | 内蒙古蒙土生态环保科技有限公司 | Oily sludge treatment method and product based on sludge solidification |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179369A (en) * | 1975-02-18 | 1979-12-18 | Nalco Chemical Company | Polymer to agglomerate resolved emulsions |
| DE2854975C2 (en) * | 1978-12-20 | 1986-08-07 | Hoechst Ag, 6230 Frankfurt | Emulsion breaker |
| GB2061315B (en) * | 1979-10-05 | 1983-09-07 | Magna Corp | Micellar compositions and their use in breaking petroleum emulsions |
| US4442014A (en) * | 1982-02-01 | 1984-04-10 | Exxon Research & Engineering Co. | Use of esters of sulfonic acids as anti-sludge agents during the acidizing of formations containing sludging crude oils |
| US4737265A (en) * | 1983-12-06 | 1988-04-12 | Exxon Research & Engineering Co. | Water based demulsifier formulation and process for its use in dewatering and desalting crude hydrocarbon oils |
| US4938877A (en) * | 1989-02-13 | 1990-07-03 | Exxon Research And Engineering Company | Unique and effective separation technique for oil contaminated sludge |
| US4938876A (en) * | 1989-03-02 | 1990-07-03 | Ohsol Ernest O | Method for separating oil and water emulsions |
| US5076938A (en) * | 1989-09-26 | 1991-12-31 | Noonan William R | Oil treatment method |
| US5356482A (en) * | 1991-12-10 | 1994-10-18 | Serv-Tech, Inc. | Process for vessel decontamination |
| US5622921A (en) * | 1993-01-21 | 1997-04-22 | Nowsco Well Service, Inc. | Anionic compositions for sludge prevention and control during acid stimulation of hydrocarbon wells |
| US5306351A (en) * | 1993-05-21 | 1994-04-26 | Anderson William J | Waste oil removal composition and method |
| US5611869A (en) * | 1995-10-25 | 1997-03-18 | Betzdearborn Inc. | Refinery vessel cleaning treatment |
-
1997
- 1997-10-20 CA CA002268761A patent/CA2268761A1/en not_active Abandoned
- 1997-10-20 BR BR9712545-8A patent/BR9712545A/en not_active Application Discontinuation
- 1997-10-20 DE DE69733364T patent/DE69733364D1/en not_active Expired - Lifetime
- 1997-10-20 AU AU49149/97A patent/AU4914997A/en not_active Abandoned
- 1997-10-20 EP EP97911877A patent/EP0948383B1/en not_active Expired - Lifetime
- 1997-10-20 WO PCT/US1997/019127 patent/WO1998017366A1/en not_active Ceased
- 1997-10-20 JP JP51961498A patent/JP2001517141A/en active Pending
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