IL43425A - Continuous process for removing nitrates from wastewaters by extraction - Google Patents
Continuous process for removing nitrates from wastewaters by extractionInfo
- Publication number
- IL43425A IL43425A IL43425A IL4342573A IL43425A IL 43425 A IL43425 A IL 43425A IL 43425 A IL43425 A IL 43425A IL 4342573 A IL4342573 A IL 4342573A IL 43425 A IL43425 A IL 43425A
- Authority
- IL
- Israel
- Prior art keywords
- solvent
- process according
- stripping
- water
- waste water
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 title claims 8
- 150000002823 nitrates Chemical class 0.000 title claims 5
- 238000000605 extraction Methods 0.000 title claims 4
- 238000010924 continuous production Methods 0.000 title claims 2
- 239000002904 solvent Substances 0.000 claims 10
- 238000000034 method Methods 0.000 claims 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- 239000000126 substance Substances 0.000 claims 5
- 239000003960 organic solvent Substances 0.000 claims 4
- 230000008929 regeneration Effects 0.000 claims 3
- 238000011069 regeneration method Methods 0.000 claims 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 2
- -1 sulphate ions Chemical class 0.000 claims 2
- 150000003512 tertiary amines Chemical class 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 150000004982 aromatic amines Chemical class 0.000 claims 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 1
- 229910000027 potassium carbonate Inorganic materials 0.000 claims 1
- 150000003141 primary amines Chemical class 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 150000003335 secondary amines Chemical class 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 claims 1
- 229910021653 sulphate ion Inorganic materials 0.000 claims 1
- 239000001117 sulphuric acid Substances 0.000 claims 1
- 235000011149 sulphuric acid Nutrition 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI2850/72A FI56160C (fi) | 1972-10-16 | 1972-10-16 | Kontinuerligt foerfarande foer avlaegsnande av nitrater ur avfallsvatten genom extraktion och med moejligast smao extraktionsmedelsfoerluster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL43425A0 IL43425A0 (en) | 1974-01-14 |
| IL43425A true IL43425A (en) | 1976-08-31 |
Family
ID=8507681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL43425A IL43425A (en) | 1972-10-16 | 1973-10-15 | Continuous process for removing nitrates from wastewaters by extraction |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2350962A1 (de) |
| FI (1) | FI56160C (de) |
| IL (1) | IL43425A (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2391953A1 (fr) * | 1976-11-02 | 1978-12-22 | Ugine Kuhlmann | Procede de traitement d'effluents nitriques |
| US4372932A (en) * | 1978-05-18 | 1983-02-08 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| US4597954A (en) * | 1980-05-21 | 1986-07-01 | Union Oil Company Of California | Process for removing sox and nox compounds from gas streams |
| US4804522A (en) * | 1980-05-21 | 1989-02-14 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| US4675169A (en) * | 1980-05-21 | 1987-06-23 | Union Oil Company Of California | Process for removing sox and nox compounds from gas streams |
| US4448899A (en) * | 1980-05-21 | 1984-05-15 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| US4347227A (en) * | 1981-03-11 | 1982-08-31 | Union Oil Company Of California | Process for removing SOx and NOx compounds from gas streams |
| GB8607034D0 (en) * | 1986-03-21 | 1986-04-30 | Rohm & Haas | Removal of no3 from salt solutions |
| EP0396790B1 (de) * | 1989-05-09 | 1992-12-23 | Bayer Antwerpen N.V. | Verfahren zur Entfernung von Nitrat und organischen Verunreinigungen aus Abwässern |
| DE19732074A1 (de) * | 1997-07-25 | 1999-01-28 | Bayer Ag | Verfahren zur Reinigung von organischen und gegebenenfalls anorganischen Schwefelverbindungen enthaltenden Abwässern |
-
1972
- 1972-10-16 FI FI2850/72A patent/FI56160C/fi active
-
1973
- 1973-10-11 DE DE19732350962 patent/DE2350962A1/de active Pending
- 1973-10-15 IL IL43425A patent/IL43425A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI56160C (fi) | 1979-12-10 |
| FI56160B (fi) | 1979-08-31 |
| DE2350962A1 (de) | 1974-04-25 |
| IL43425A0 (en) | 1974-01-14 |
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