CN104973672B - A kind of oil removing water purification agent and preparation method thereof for oilfield sewage - Google Patents
A kind of oil removing water purification agent and preparation method thereof for oilfield sewage Download PDFInfo
- Publication number
- CN104973672B CN104973672B CN201510315675.XA CN201510315675A CN104973672B CN 104973672 B CN104973672 B CN 104973672B CN 201510315675 A CN201510315675 A CN 201510315675A CN 104973672 B CN104973672 B CN 104973672B
- Authority
- CN
- China
- Prior art keywords
- water purification
- purification agent
- oil removing
- removing water
- oil
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000000746 purification Methods 0.000 title claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 38
- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- -1 methacrylic acid triethyleneglycol ester Chemical class 0.000 claims abstract description 12
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims abstract description 9
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- JXXDQMIAHQBWSW-UHFFFAOYSA-M azanium sodium sulfurous acid sulfate Chemical compound S(=O)(=O)([O-])[O-].[NH4+].S(=O)(O)O.[Na+] JXXDQMIAHQBWSW-UHFFFAOYSA-M 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 claims description 3
- 238000003828 vacuum filtration Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 238000001291 vacuum drying Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 4
- 150000001408 amides Chemical class 0.000 abstract 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 72
- 239000002351 wastewater Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011218 binary composite Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The oil removing water purification agent and preparation method thereof that the invention discloses a kind of for oilfield sewage, the reaction monomers of oil removing water purification agent are as follows: p styrene sulfonic acid, methacrylic acid triethyleneglycol ester, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide, each composition proportion in parts by weight under: 10-20 parts of styrene sulfonic acid, 10-25 parts of methacrylic acid triethyleneglycol ester, 20-40 parts of ethyl 2-methacrylate, N, 2-8 parts of acid amide of N- methylene bisacrylamide, preparation process is simple, it is easy to use, dosage is small, to removal of impurity height, oil absorbency is high, it is high to protect oil cut rate.
Description
Technical field
The invention belongs to Treatment technology of oil extraction wastewater fields, and in particular to a kind of oil removing water purification agent for oilfield sewage and
Preparation method.
Background technique
With deepening continuously for oil field development, China major part oil field has entered mid-term and the later period of oil development, stratum
In oil constantly reduce.In order to improve tar productivity, each oil field in the whole nation all uses waterflooding extraction mode substantially and recovers the oil.Water filling is one
The kind preferable oil field development technology of effect, but the result filled the water also causes the moisture content of extraction oil constantly to rise.Many oil fields contain
Water rate is 70%-80%, and some oil fields have even been up to 90% or more, and daily output oily wastewater amount is very big, if oily wastewater
Utilization is not handled, any discharge will bring serious consequence, not only waste water and crude oil, environment is even more seriously polluted very much,
Influence the safety in production in oil field, it is therefore necessary to which reasonably processing utilizes oily wastewater.In view of environmental protection and save water resource
The problems such as, it is most economical effective method that industrial water reinjection into reservoir is used as after this part of contaminated water is handled.
Oil field mining liquid is separated by three phase separator, and oilfield sewage contains a large amount of suspended solids, crude oil, is combined into
One heterogeneous system, for general oil content between 500-1000ppm, reinjected water requires oil content generally to exist in the sewage separated
For 10ppm hereinafter, oil removal treatment therefore must be carried out to sewage before re-injection, currently used method is that oil removing water purification agent is added.
Common sewage purification mostly uses the inorganic compounds such as compound aluminium salt, milk of lime with organic high molecular polymers such as polyacrylamides
It is used cooperatively, easily generation salting-out phenomenon, macromolecular structure chain is made to occur to fold, curling, coil, thus weaken flocculation,
Oil removing purifying water effect is poor.
Summary of the invention
The shortcomings that for existing oil removing water purification agent, the object of the present invention is to provide a kind of oil removing water purifications for oilfield sewage
Agent and preparation method thereof, preparation process is simple, easy to use, and dosage is small, and to removal of impurity height, oil absorbency is high, protects oil cut rate
It is high.
The technical solution of the present invention is as follows: a kind of oil removing water purification agent for oilfield sewage, the reaction monomers of oil removing water purification agent
Are as follows: p styrene sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide, reaction promoter are
Deionized water, PVA and ammonium sulfate-sodium hydrogensulfite, each composition proportion are as follows in parts by weight:
Its general structure is as follows:
X, y, z, m, n, k, p are the degree of polymerization in formula.
Further, the reaction monomers of oil removing water purification agent are as follows: p styrene sulfonic acid, acrylamide, 2- methacrylic acid second
Ester and N, N- methylene bisacrylamide acid amide, reaction promoter are deionized water, PVA and ammonium sulfate-sodium hydrogensulfite, and each ingredient is matched
It is as follows than in parts by weight:
Further, a kind of method for being used to prepare oil removing water purification agent for oilfield sewage, specifically includes the following steps:
A, deionized water and PVA is added by above-mentioned proportion into the three-neck flask equipped with thermometer and electric mixer,
Stirring is opened, is warming up to 80 DEG C or so, stirring to PVA is completely dissolved；
B, successively add to equipped with thermometer, electric mixer and being connected in the four-neck flask of nitrogen cylinder by above-mentioned proportion again
Enter p styrene sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide is opened stirring, filled
Divide mixing；
C, it will be carried out by the mixed four-neck flask of step B logical operating under nitrogen 20 minutes, the liquid that step A is obtained adds
Enter in four-neck flask, four-neck flask is warming up to 60 DEG C, and a straight-through nitrogen protection；
D, initiator ammonium sulfate-sodium hydrogensulfite is added in the four-neck flask of step C according to said ratio, constant temperature stirring
It is warming up to 90 DEG C after 4 hours to react 2 hours, reaction was completed, in the process a straight-through nitrogen protection.
E, the product for obtaining D step is washed through vacuum filtration, hot water washing, dehydrated alcohol, then in vacuum oven
Middle drying, so that granular oil removing water purification agent be made.
Application method of the invention are as follows: the amount that oil removing water purification agent is added in every liter of sewage is 10-20mg, that is, can reach requirement
Purification standard.
The beneficial effects of the present invention are:
1, oil removing water purification agent provided by the invention, preparation process is simple, and easy to use, dosage is small.
2, it uses to the good acrylate long-chain ester of oily compatibility in the present invention as monomer, while joined with stiffening ring
P styrene sulfonic acid, pass through crosslinking agent N, N- methylene bisacrylamide acid amide synthesize oil removing water purification agent, with conventional sewage purify
Agent is compared, and oil absorbency, guarantor's oil cut rate are greatly improved.
3, the present invention is mutually complexed by sulfonate radical with metal ion, positively charged colloidal solid and other polluters,
So as to reach oil field re-injection so that processed petroleum waste water impurity content substantially reduces except the above-mentioned impurity in decontaminated water
Standard as defined in water.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.
A kind of embodiment 1: oil removing water purification agent, preparation method and oil removing provided in this embodiment for oilfield sewage
Water purification agent A1The application of Dagang Oilfield in Tianjin.
Oil removing water purification agent A1Component and each group distribution ratio it is as follows:
It is used to prepare a kind of oil removing water purification agent A for oilfield sewage1Method, specifically includes the following steps:
A, deionized water and PVA are added according to the ratio into the three-neck flask equipped with thermometer and electric mixer, unlatching is stirred
It mixes, is warming up to 80 DEG C or so, stirring to PVA is completely dissolved；
B, it is sequentially added according to the ratio to equipped with thermometer, electric mixer and being connected in the four-neck flask of nitrogen cylinder to benzene again
Vinyl sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide are opened stirring, are sufficiently mixed；
C, it will be carried out by the mixed four-neck flask of step B logical operating under nitrogen 20 minutes, the liquid that step A is obtained adds
Enter in four-neck flask, four-neck flask is warming up to 60 DEG C, and a straight-through nitrogen protection；
D, initiator ammonium sulfate-sodium hydrogensulfite is added in the four-neck flask of step C according to the proportion, constant temperature stirring 4 is small
When after be warming up to 90 DEG C react 2 hours, reaction was completed, in the process a straight-through nitrogen protection.
E, the product for obtaining D step is washed through vacuum filtration, hot water washing, dehydrated alcohol, then in vacuum oven
Middle drying, so that granular oil removing water purification agent A be made1。
A kind of embodiment 2: oil removing water purification agent, preparation method and oil removing provided in this embodiment for oilfield sewage
Water purification agent A2The application of Dagang Oilfield in Tianjin.
Oil removing water purification agent A2Component and each group distribution ratio it is as follows:
A kind of oil removing water purification agent A for oilfield sewage of the present embodiment2The preparation method is the same as that of Example 1.
Embodiment 3: the oil removing water purification agent A that embodiment 1 and embodiment 2 provide1、A2Oil absorbency test
M is accurately weighed for oil product to be measured with dimethylbenzene, hexane, 93# gasoline and carbon tetrachloride respectively1(g) present invention mentions
The oil removing water purification agent of confession, is wrapped with gauze bag, and weigh m2(g), it immerses in oil product to be measured, at room temperature abundant oil suction, Mei Geyi
The section time takes out gauze bag drip and weighs after five minutes m3(g), repeatedly, until reaching saturation oil suction.Gauze carries out blank suction
Oil test claims gauze weight m4(g), it immerses in oil product to be measured, under the same conditions oil suction, takes out gauze bag drop at regular intervals
Drop down the m that weighs after five minutes5(g), repeatedly, until reaching saturation oil suction.By formula 1 calculate gauze saturation oil absorption be Q0
(g/g), by formula 2 calculate oil removing water purification agent provided by the invention oil absorbency Q (g/g).
Q0=(m5-m4)/m4Formula 1
Q=(m3-m2-Q0*(m2-m1))/m1Formula 2
Embodiment 4: the test of oil cut rate is protected
Accurately weighing quality is W1(g) the oil removing water purification agent provided by the invention of saturation oil suction, in revolving speed 1000r/min
Centrifuge in centrifugal rotation take out after five minutes weighing W2(g).Oil removing water purification agent provided by the invention is calculated to obtain by formula 3
It protects oil cut rate T (%).
T=W2/W1* 100% formula 3
Oil absorbency and the measurement result for protecting oil cut rate are as follows:
The proportioning components of embodiment 2 compared with Example 1, improve the additive amount of p styrene sulfonic acid, due to benzene second
Alkene sulfonic acid content increases and causes reaction process not easy to control, is easy to appear agglomeration, and styrene sulfonic acid content will cause greatly production
Object hardness increases, and influences oil absorbency.
Embodiment 5 is to embodiment 1 and the difference of embodiment 2 oil removing water purification agent A obtained1、A2Carry out applicating expedition.
Using petroleum waste water as object to be measured, petroleum waste water is binary composite-driven produced water, and test process sewage is two
Part, it is No.1 sewage and No. two sewage respectively, is 100L, oil content is 426mg/L in No.1 sewage, and solid content is
62mg/L, oil content is 431mg/L, solid content 58mg/L, A in No. two sewage1、A2Dosage be 2g, after processing
Water quality condition are as follows: No.1 oil content of wastewater drops to 8.9mg/L, and for removal rate up to 97.9%, solid content drops to 4.3mg/L,
Removal rate is up to 93.1%；No. two oil content of wastewater drop to 9.2mg/L, and up to 97.9%, solid content drops to removal rate
2.5mg/L, removal rate is up to 95.7%.Treated, and recovered water has reached oil field extracted water re-injection index.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (3)
1. a kind of oil removing water purification agent for oilfield sewage, which is characterized in that the reaction monomers of oil removing water purification agent are as follows: to styrene
Sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide, reaction promoter are deionized water, PVA
With ammonium sulfate-sodium hydrogensulfite, each composition proportion is as follows in parts by weight:
Its general structure is as follows:
X, y, z, m, n, k, p are the degree of polymerization in formula.
2. a kind of oil removing water purification agent for oilfield sewage according to claim 1, which is characterized in that oil removing water purification agent
Reaction monomers are as follows: p styrene sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide, instead
Answering auxiliary agent is deionized water, PVA and ammonium sulfate-sodium hydrogensulfite, and each composition proportion is as follows in parts by weight:
3. being used to prepare a kind of method of the oil removing water purification agent for oilfield sewage as claimed in claim 1 or 2, feature exists
In, specifically includes the following steps:
A, deionized water and PVA is added according to the ratio into the three-neck flask equipped with thermometer and electric mixer, opens stirring, rises
To 80 DEG C, stirring to PVA is completely dissolved temperature；
B, it is sequentially added according to the ratio to equipped with thermometer, electric mixer and being connected in the four-neck flask of nitrogen cylinder to styrene again
Sulfonic acid, acrylamide, ethyl 2-methacrylate and N, N- methylene bisacrylamide acid amide are opened stirring, are sufficiently mixed；
C, it will be carried out by the mixed four-neck flask of step B logical operating under nitrogen 20 minutes, the liquid that step A is obtained is added four
In neck flask, four-neck flask is warming up to 60 DEG C, and a straight-through nitrogen protection；
D, initiator ammonium sulfate-sodium hydrogensulfite is added in the four-neck flask of step C according to the proportion, after constant temperature stirs 4 hours
It is warming up to 90 DEG C to react 2 hours, reaction was completed, in the process a straight-through nitrogen protection；
E, the product for obtaining D step is washed through vacuum filtration, hot water washing, dehydrated alcohol, is then done in a vacuum drying oven
It is dry, so that granular oil removing water purification agent be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315675.XA CN104973672B (en) | 2015-06-10 | 2015-06-10 | A kind of oil removing water purification agent and preparation method thereof for oilfield sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315675.XA CN104973672B (en) | 2015-06-10 | 2015-06-10 | A kind of oil removing water purification agent and preparation method thereof for oilfield sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104973672A CN104973672A (en) | 2015-10-14 |
| CN104973672B true CN104973672B (en) | 2019-01-18 |
Family
ID=54270703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510315675.XA Active CN104973672B (en) | 2015-06-10 | 2015-06-10 | A kind of oil removing water purification agent and preparation method thereof for oilfield sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104973672B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130303A (en) * | 1988-12-19 | 2000-10-10 | Cytec Technology Corp. | Water-soluble, highly branched polymeric microparticles |
| CN101280038A (en) * | 2008-05-27 | 2008-10-08 | 湖北省化学研究院 | High molecular weight anionic polymer fluid dispersion, preparation and application thereof |
| CN101318729A (en) * | 2008-07-03 | 2008-12-10 | 辽河石油勘探局 | Thick oil sewage water degreaser |
| CN102198969A (en) * | 2010-03-22 | 2011-09-28 | 天津大港油田科远石油工程有限责任公司 | Oil-removing compound and its preparation method |
| CN103991974A (en) * | 2014-05-16 | 2014-08-20 | 威海翔宇环保科技有限公司 | Oilfield reinjection water scale inhibitor and preparation method thereof |
| CN104176788A (en) * | 2014-09-09 | 2014-12-03 | 中国石油化工股份有限公司 | Deoiling agent for oilfield binary composite displacement output sewage and preparation method thereof |
| CA2857352A1 (en) * | 2013-07-31 | 2015-01-31 | S.P.C.M. Sa | Method for dewatering suspensions of solid particles in water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0317208D0 (en) * | 2003-07-23 | 2003-08-27 | Rhodia Cons Spec Ltd | Scale inhibition in water systems |
-
2015
- 2015-06-10 CN CN201510315675.XA patent/CN104973672B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130303A (en) * | 1988-12-19 | 2000-10-10 | Cytec Technology Corp. | Water-soluble, highly branched polymeric microparticles |
| CN101280038A (en) * | 2008-05-27 | 2008-10-08 | 湖北省化学研究院 | High molecular weight anionic polymer fluid dispersion, preparation and application thereof |
| CN101318729A (en) * | 2008-07-03 | 2008-12-10 | 辽河石油勘探局 | Thick oil sewage water degreaser |
| CN102198969A (en) * | 2010-03-22 | 2011-09-28 | 天津大港油田科远石油工程有限责任公司 | Oil-removing compound and its preparation method |
| CA2857352A1 (en) * | 2013-07-31 | 2015-01-31 | S.P.C.M. Sa | Method for dewatering suspensions of solid particles in water |
| CN103991974A (en) * | 2014-05-16 | 2014-08-20 | 威海翔宇环保科技有限公司 | Oilfield reinjection water scale inhibitor and preparation method thereof |
| CN104176788A (en) * | 2014-09-09 | 2014-12-03 | 中国石油化工股份有限公司 | Deoiling agent for oilfield binary composite displacement output sewage and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丙烯酸-丙烯酰胺共聚物研究进展;蒋婵杰等;《高分子通报》;20010630(第3期);第64-69页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104973672A (en) | 2015-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102527347B (en) | A kind of magnetic chitosan/cationic surfactant modified zeolite adsorbent and its preparation method and application | |
| CN107314246B (en) | SiO2- polyolefin composite anti-drag agent solution in-situ synthetic method | |
| CN103738992A (en) | Preparation technology of efficient polymeric aluminum chloride for wastewater treatment | |
| CN105859938A (en) | Preparation of cobalt adsorbent | |
| CN105130822A (en) | Method for recovering triethylamine, removing phosphorus pollutants and recovering phosphorus resources in glyphosate mother liquor | |
| CN105060445B (en) | Positive ion organosilicone polyacrylamide flocculant and preparing method thereof | |
| CN105294922B (en) | A kind of preparation method of lithium separation material | |
| CN105367594A (en) | Method for preparing hexamethyl-disilazane with hexamethyldisiloxane as raw material | |
| CN105217869A (en) | The method of resource of the spent acid produced in a kind of flue gas during smelting Sulphuric acid | |
| CN103880211A (en) | Process for resourceful treatment of high-salt wastewater containing magnesium | |
| CN110078327A (en) | A kind of polymer-containing oil sludge cleaning agent and its preparation method and application | |
| CN103977773A (en) | Preparation method and application of eichhornia crassipes cellulose xanthate calcium salt | |
| CN104925929B (en) | A kind of composite flocculation agent for treatment of dyeing wastewater | |
| CN104973672B (en) | A kind of oil removing water purification agent and preparation method thereof for oilfield sewage | |
| CN107601815B (en) | A kind of petrochemical oily sludge disposal agent, its preparation method and application | |
| CN113351167A (en) | Ion type skeleton structure porous adsorption material and preparation method and application thereof | |
| CN102874946B (en) | Synergistic process method for fly ash and percolate | |
| CN101851054B (en) | Sludge dewatering conditioner, and preparation method and application thereof | |
| CN104341554A (en) | Octadecyl hydrophobic group-containing polydimethyl diallyl ammonium chloride modified flocculant and synthetic method thereof | |
| CN108043366A (en) | The nanocomposite of calcium ions and magnesium ions in a kind of absorption water | |
| CN109762105B (en) | Emulsified dispersed thickened polymer for petroleum exploitation and preparation method thereof | |
| CN114307946B (en) | Modified copper mine tailing slag and preparation method and application thereof | |
| CN109647356A (en) | A kind of preparation method and its application in removal waste water in anions and canons dyestuff at the same time of both sexes adsorbent material | |
| CN103183406A (en) | Preparation method of high-concentration PAM-aluminum, zinc iron composite water treatment agent | |
| CN107902857A (en) | A kind of sludge stabilization agent for handling heavy metal and its preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |