GB1567767A - Hydrolysis treatment of industrial effluent - Google Patents
Hydrolysis treatment of industrial effluent Download PDFInfo
- Publication number
- GB1567767A GB1567767A GB48556/76A GB4855676A GB1567767A GB 1567767 A GB1567767 A GB 1567767A GB 48556/76 A GB48556/76 A GB 48556/76A GB 4855676 A GB4855676 A GB 4855676A GB 1567767 A GB1567767 A GB 1567767A
- Authority
- GB
- United Kingdom
- Prior art keywords
- effluent
- pressure
- treatment
- ammonia
- compounds
- 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.)
- Expired
Links
- 238000011282 treatment Methods 0.000 title claims description 27
- 230000007062 hydrolysis Effects 0.000 title description 7
- 238000006460 hydrolysis reaction Methods 0.000 title description 7
- 239000003295 industrial effluent Substances 0.000 title description 2
- 238000000034 method Methods 0.000 claims description 40
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 239000000975 dye Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000002825 nitriles Chemical class 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000001913 cyanates Chemical class 0.000 claims description 2
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 150000003141 primary amines Chemical class 0.000 claims description 2
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 2
- 150000003335 secondary amines Chemical class 0.000 claims description 2
- 241000605281 Anaplasma phagocytophilum Species 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- WWJJVKAEQGGYHJ-UHFFFAOYSA-N dimethyl thiophosphate Chemical compound COP(O)(=S)OC WWJJVKAEQGGYHJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- BQHRKYUXVHKLLZ-UHFFFAOYSA-M sodium 7-amino-2-[[4-[(4-aminophenyl)diazenyl]-2-methoxy-5-methylphenyl]diazenyl]-3-sulfonaphthalen-1-olate Chemical compound [Na+].COc1cc(N=Nc2ccc(N)cc2)c(C)cc1N=Nc1c(O)c2cc(N)ccc2cc1S([O-])(=O)=O BQHRKYUXVHKLLZ-UHFFFAOYSA-M 0.000 description 2
- MLOVXTFKTATMKP-UHFFFAOYSA-N 5-(2-nitro-4-sulfamoylanilino)-2-[4-(2-nitro-4-sulfamoylanilino)anilino]benzenesulfonic acid Chemical compound [O-][N+](=O)C1=CC(S(=O)(=O)N)=CC=C1NC(C=C1)=CC=C1NC(C(=C1)S(O)(=O)=O)=CC=C1NC1=CC=C(S(N)(=O)=O)C=C1[N+]([O-])=O MLOVXTFKTATMKP-UHFFFAOYSA-N 0.000 description 1
- KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- CEZCCHQBSQPRMU-UHFFFAOYSA-L chembl174821 Chemical compound [Na+].[Na+].COC1=CC(S([O-])(=O)=O)=C(C)C=C1N=NC1=C(O)C=CC2=CC(S([O-])(=O)=O)=CC=C12 CEZCCHQBSQPRMU-UHFFFAOYSA-L 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical class OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- ZJXZSIYSNXKHEA-UHFFFAOYSA-N ethyl dihydrogen phosphate Chemical compound CCOP(O)(O)=O ZJXZSIYSNXKHEA-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- XWSLYQXUTWUIKM-UHFFFAOYSA-N trimethoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound COP(=S)(OC)OC XWSLYQXUTWUIKM-UHFFFAOYSA-N 0.000 description 1
- DCYIADGZPJOOFN-UHFFFAOYSA-N vat brown 1 Chemical compound C1=CC=C2C(=O)C3=CC=C4C(C5=C(C6=C7C(C8=CC=CC=C8C6=O)=O)NC6=C8C(=O)C9=CC=CC=C9C(C8=CC=C65)=O)=C7NC4=C3C(=O)C2=C1 DCYIADGZPJOOFN-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Landscapes
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2553840A DE2553840C3 (de) | 1975-11-29 | 1975-11-29 | Druckhydrolytische Behandlung von Abwasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1567767A true GB1567767A (en) | 1980-05-21 |
Family
ID=5963085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB48556/76A Expired GB1567767A (en) | 1975-11-29 | 1976-11-22 | Hydrolysis treatment of industrial effluent |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4246104A (enExample) |
| JP (1) | JPS5268065A (enExample) |
| BE (1) | BE848846A (enExample) |
| BR (1) | BR7607930A (enExample) |
| CH (1) | CH629460A5 (enExample) |
| DE (1) | DE2553840C3 (enExample) |
| DK (1) | DK534576A (enExample) |
| FR (1) | FR2332959A1 (enExample) |
| GB (1) | GB1567767A (enExample) |
| IT (1) | IT1076843B (enExample) |
| NL (1) | NL7613232A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2336584A (en) * | 1998-04-21 | 1999-10-27 | Solvay | Process for the purification of brines |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7707081A (nl) * | 1977-06-27 | 1978-12-29 | Stamicarbon | Werkwijze voor het biologisch zuiveren van afvalwater. |
| DE2818680A1 (de) * | 1978-04-27 | 1979-10-31 | Bayer Ag | Verfahren zur aufarbeitung von nitro-hydroxy-aromaten enthaltenden abwaessern |
| FR2472539A1 (fr) * | 1979-11-27 | 1981-07-03 | Metaux Speciaux Sa | Procede de separation du molybdene et/ou d'autres metaux contenus dans des effluents organiques residuaires |
| JPS607557B2 (ja) * | 1980-05-22 | 1985-02-25 | 三菱電線工業株式会社 | ニッケルシアン化合物含有液の処理方法 |
| DE3042193A1 (de) * | 1980-11-08 | 1982-06-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reinigung von abwasser |
| JPS6097013A (ja) * | 1983-11-01 | 1985-05-30 | Japan Metals & Chem Co Ltd | 掘削廃泥水の処理方法 |
| US4840731A (en) * | 1985-06-18 | 1989-06-20 | Morris Sheikh | Apparaus for reduction of COD in water |
| US4683065A (en) * | 1985-06-18 | 1987-07-28 | Morris Sheikh | Method for reduction of cod in water |
| US4741833A (en) * | 1985-06-18 | 1988-05-03 | Morris Sheikh | Method for reduction of COD in water |
| US4915849A (en) * | 1988-08-17 | 1990-04-10 | Degussa Aktiegesellschaft | Process for the treatment of effluents containing cyanide and other oxidizable substances |
| DE3909062A1 (de) * | 1989-03-20 | 1990-09-27 | Still Otto Gmbh | Verfahren zur zersetzung von abfallaugen aus absorptionsprozessen |
| DE4002624C1 (enExample) * | 1990-01-30 | 1991-11-28 | Still Otto Gmbh, 4630 Bochum, De | |
| US5386079A (en) * | 1992-05-19 | 1995-01-31 | Ciba-Geigy Corporation | Wastewater treatment process |
| ATE161804T1 (de) * | 1992-09-06 | 1998-01-15 | Solvay Deutschland | Verfahren zur behandlung von organischen stoffen, insbesondere chlororganische verbindungen enthaltenden abwässern aus der epichlorhydrinherstellung |
| DE4306844C2 (de) * | 1993-02-27 | 2000-01-20 | Rolf Hesselmann | Verfahren zur kombinierten physikalisch-chemischen Reinigung von Wässern, die mit den Explosivstoffen 2,4,6-Trinitrotoluol, Hexahydro-1,3,5-trinitro-1,3,5-triazin und Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetraocin verunreinigt sind |
| DE4314108A1 (de) * | 1993-04-29 | 1994-11-03 | Solvay Deutschland | Verfahren zur Behandlung von organische und anorganische Verbindungen enthaltenden Abwässern, vorzugsweise aus der Epichlorhydrin-Herstellung |
| DE4340356A1 (de) * | 1993-11-26 | 1995-06-01 | Wieland Edelmetalle | Verfahren und Vorrichtung zum Abbau von harten Komplexbildnern in wässriger Lösung |
| US5700107A (en) * | 1995-07-25 | 1997-12-23 | Habour Remediation And Transfer Inc. (Hr&T) | Method of soil remediation |
| US6372147B1 (en) * | 2001-05-07 | 2002-04-16 | E. I. Du Pont De Nemours And Company | Organoboron waste stream treatment using hydrogen peroxide |
| JP4652359B2 (ja) * | 2007-03-09 | 2011-03-16 | 日本合成化学工業株式会社 | イオン液体の分解処理方法 |
| CN103771657B (zh) * | 2013-12-20 | 2016-08-24 | 安徽国星生物化学有限公司 | 一种毒死蜱废水的处理方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895741A (en) * | 1957-05-25 | 1962-05-09 | Degussa | Process for apparatus for the treatment of aqueous cyanide solutions |
| DE1517653A1 (de) * | 1963-05-02 | 1969-05-22 | Friedrichsfelder Abwasser Und | Verfahren zur Entgiftung von Abwaessern der petro-chemischen Industrie |
| US3398088A (en) * | 1966-09-09 | 1968-08-20 | Dorr Oliver Inc | Phosphorous removal in membrane waste water treatment |
| US3607738A (en) * | 1969-02-12 | 1971-09-21 | Nalco Chemical Co | Sewage treatment |
| US3676334A (en) * | 1969-05-14 | 1972-07-11 | Envirotech Corp | Wastewater treatment sequence |
| US3586625A (en) * | 1969-12-12 | 1971-06-22 | Texaco Inc | Treatment of aqueous streams for removal of nitrogen and phosphorus compounds |
| JPS4836380B1 (enExample) * | 1970-05-25 | 1973-11-05 | ||
| DE2050874C3 (de) * | 1970-10-16 | 1979-10-18 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zum Reinigen von Abwässern aus der Papier-, Leder-, Textil-, Reinigungs-, Nahrungsmittel- und Kunststoffindustrie |
| FR2126567A5 (enExample) * | 1971-02-11 | 1972-10-06 | Ugilor | |
| US3762989A (en) * | 1971-07-30 | 1973-10-02 | St Regis Paper Co | Pyrolysis of spent pulping liquors |
| DE2141294A1 (de) * | 1971-08-18 | 1973-02-22 | Ulrich Prof Dr Schindewolf | Verfahren zur umweltfreundlichen vernichtung von festen und fluessigen cyanidabfaellen |
| US3862296A (en) * | 1972-02-09 | 1975-01-21 | Gen Electric | Conversion process for waste nitrogen-containing compounds |
| DD109365A1 (enExample) * | 1973-05-10 | 1974-11-05 | ||
| US4042502A (en) * | 1973-05-10 | 1977-08-16 | Veb Jenapharm Jena | Detoxification of cyanides and cyanide-containing solutions |
| NL162616C (nl) * | 1974-05-31 | Ruhrchemie Ag | Werkwijze voor het zuiveren van het bij de bereiding van esterweekmakers verkregen afvalwater. | |
| DE2430193A1 (de) * | 1974-06-24 | 1976-01-15 | Wacker Chemie Gmbh | Verfahren zur entfernung von reaktionsfaehigen chlororganischen verbindungen aus waessrigen loesungen, insbesondere abwaessern |
| US4013757A (en) * | 1975-04-17 | 1977-03-22 | Fmc Corporation | High pressure thermal hydrolysis process to decompose triazines in acid waste streams |
| US4070289A (en) * | 1976-02-23 | 1978-01-24 | Alaeddin Akcasu | Preparation of pyrogen-free water |
-
1975
- 1975-11-29 DE DE2553840A patent/DE2553840C3/de not_active Expired
-
1976
- 1976-11-22 GB GB48556/76A patent/GB1567767A/en not_active Expired
- 1976-11-24 CH CH1477676A patent/CH629460A5/de not_active IP Right Cessation
- 1976-11-25 IT IT52331/76A patent/IT1076843B/it active
- 1976-11-26 NL NL7613232A patent/NL7613232A/xx active Search and Examination
- 1976-11-26 BR BR7607930A patent/BR7607930A/pt unknown
- 1976-11-26 JP JP51141345A patent/JPS5268065A/ja active Pending
- 1976-11-26 DK DK534576A patent/DK534576A/da unknown
- 1976-11-29 BE BE2055490A patent/BE848846A/xx unknown
- 1976-11-29 FR FR7635949A patent/FR2332959A1/fr active Granted
-
1979
- 1979-04-30 US US06/034,713 patent/US4246104A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2336584A (en) * | 1998-04-21 | 1999-10-27 | Solvay | Process for the purification of brines |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7613232A (nl) | 1977-06-01 |
| JPS5268065A (en) | 1977-06-06 |
| DK534576A (da) | 1977-05-30 |
| DE2553840B2 (de) | 1980-05-22 |
| BR7607930A (pt) | 1977-11-08 |
| IT1076843B (it) | 1985-04-27 |
| BE848846A (fr) | 1977-05-31 |
| FR2332959A1 (fr) | 1977-06-24 |
| CH629460A5 (de) | 1982-04-30 |
| FR2332959B1 (enExample) | 1982-06-11 |
| US4246104A (en) | 1981-01-20 |
| DE2553840A1 (de) | 1977-06-08 |
| DE2553840C3 (de) | 1981-01-29 |
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Effective date: 19941122 |