DE69004544D1 - Verfahren zur minderung des cyanidgehaltes einer lösung. - Google Patents
Verfahren zur minderung des cyanidgehaltes einer lösung.Info
- Publication number
- DE69004544D1 DE69004544D1 DE90910085T DE69004544T DE69004544D1 DE 69004544 D1 DE69004544 D1 DE 69004544D1 DE 90910085 T DE90910085 T DE 90910085T DE 69004544 T DE69004544 T DE 69004544T DE 69004544 D1 DE69004544 D1 DE 69004544D1
- Authority
- DE
- Germany
- Prior art keywords
- reducing
- solution
- cyanide content
- cyanide
- content
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
-
- 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
- Y10S210/903—Nitrogenous
-
- 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
- Y10S210/903—Nitrogenous
- Y10S210/904—-CN containing
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
- Enzymes And Modification Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPJ509789 | 1989-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69004544D1 true DE69004544D1 (de) | 1993-12-16 |
DE69004544T2 DE69004544T2 (de) | 1994-03-10 |
Family
ID=3774037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90910085T Expired - Fee Related DE69004544T2 (de) | 1989-07-05 | 1990-07-05 | Verfahren zur minderung des cyanidgehaltes einer lösung. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5120451A (de) |
EP (1) | EP0432250B1 (de) |
CA (1) | CA2035880A1 (de) |
DE (1) | DE69004544T2 (de) |
ES (1) | ES2066210T3 (de) |
NZ (1) | NZ234380A (de) |
WO (1) | WO1991000248A1 (de) |
ZA (1) | ZA905224B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271849A (en) * | 1992-03-20 | 1993-12-21 | Devries Frederick W | Process for treating waste containing cyanates |
DE10116371A1 (de) | 2001-04-03 | 2002-10-10 | A C K Aqua Concept Gmbh Karlsr | Verfahren zur Weiterbehandlung von Cyanidentgiftungen |
TW200300131A (en) * | 2001-11-08 | 2003-05-16 | Nihon Parkerizing | Process for treating hydrogen ion-containing waste liquid |
CN101274806B (zh) * | 2007-03-30 | 2010-09-29 | 北京清华紫光英力化工技术有限责任公司 | 一种含有cn-并含有nh3或nh4+废水的资源化新方法 |
EP2828206B1 (de) * | 2012-03-20 | 2016-11-09 | Mintails Mining S A (Pty) Limited | Behandlung eines sauren haldenabflusses |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2766100A (en) * | 1952-06-06 | 1956-10-09 | Olin Mathieson | Method for separating sodium cyanate from sodium cyanate-sodium carbonate mixture |
GB895742A (en) * | 1957-05-25 | 1962-05-09 | Degussa | Apparatus for continuously detoxicating waste liquors containing soluble cyanides or free hydrocyanic acid |
US3592586A (en) * | 1969-02-17 | 1971-07-13 | Franke Plating Works | Method for treating cyanide wastes |
BE794877A (fr) * | 1972-02-04 | 1973-05-29 | Elkem Spigerverket As | Procede et appareil pour l'epuration des eaux usees industrielles |
US4070281A (en) * | 1974-08-05 | 1978-01-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Method for treating waste water |
DE2529647C3 (de) * | 1975-07-03 | 1979-12-06 | Bayer Ag, 5090 Leverkusen | Verfahren zur Reinigung von Abwässern der Hydrazinherstellung |
US4029557A (en) * | 1975-10-15 | 1977-06-14 | Thiokol Corporation | Treatment of water containing cyanide |
US4105545A (en) * | 1976-09-14 | 1978-08-08 | Treadwell Corp. | Process for removing cyanide-containing components from aqueous media |
SU650983A1 (ru) * | 1977-07-15 | 1979-03-05 | Московский Филиал Ордена Трудового Красного Знамени Институт Нефтехимической И Газовой Промышленности Им. И.М.Губкина | Способ получени димеров этилена и пропилена |
JPS5549191A (en) * | 1978-10-03 | 1980-04-09 | Hitachi Plant Eng & Constr Co Ltd | Purifying treatment method of waste water |
ZA817073B (en) * | 1980-10-30 | 1982-09-29 | Uss Eng & Consult | Chlorination of wastewater |
US4366064A (en) * | 1980-10-30 | 1982-12-28 | United States Steel Corporation | Treatment of blast furnace wastewater |
JPS5892492A (ja) * | 1981-11-27 | 1983-06-01 | Dainichi Nippon Cables Ltd | 青化第1銅イオンを含むシアン液の処理方法 |
JPS5932993A (ja) * | 1982-08-19 | 1984-02-22 | Mitsui Toatsu Chem Inc | シアンイオン含有物の処理法 |
US4752400A (en) * | 1986-06-25 | 1988-06-21 | Viking Industries | Separation of metallic and cyanide ions from electroplating solutions |
-
1990
- 1990-07-04 ZA ZA905224A patent/ZA905224B/xx unknown
- 1990-07-05 WO PCT/AU1990/000289 patent/WO1991000248A1/en active IP Right Grant
- 1990-07-05 DE DE90910085T patent/DE69004544T2/de not_active Expired - Fee Related
- 1990-07-05 ES ES90910085T patent/ES2066210T3/es not_active Expired - Lifetime
- 1990-07-05 CA CA002035880A patent/CA2035880A1/en not_active Abandoned
- 1990-07-05 EP EP90910085A patent/EP0432250B1/de not_active Expired - Lifetime
- 1990-07-05 NZ NZ234380A patent/NZ234380A/en unknown
- 1990-07-05 US US07/671,911 patent/US5120451A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NZ234380A (en) | 1991-05-28 |
ZA905224B (en) | 1991-04-24 |
EP0432250B1 (de) | 1993-11-10 |
ES2066210T3 (es) | 1995-03-01 |
DE69004544T2 (de) | 1994-03-10 |
CA2035880A1 (en) | 1991-01-06 |
US5120451A (en) | 1992-06-09 |
EP0432250A1 (de) | 1991-06-19 |
EP0432250A4 (en) | 1991-12-11 |
WO1991000248A1 (en) | 1991-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |