ZW8090A1 - Improved process for the removal of cyanide from wastewaters - Google Patents

Improved process for the removal of cyanide from wastewaters

Info

Publication number
ZW8090A1
ZW8090A1 ZW80/90A ZW8090A ZW8090A1 ZW 8090 A1 ZW8090 A1 ZW 8090A1 ZW 80/90 A ZW80/90 A ZW 80/90A ZW 8090 A ZW8090 A ZW 8090A ZW 8090 A1 ZW8090 A1 ZW 8090A1
Authority
ZW
Zimbabwe
Prior art keywords
cyanide
hydrogen peroxide
wastewaters
removal
improved process
Prior art date
Application number
ZW80/90A
Other languages
English (en)
Inventor
M Quamrul Ahsen Dr
Andrew Griffiths Dr
Haug Ernest
Norcross Roy
Original Assignee
Degussa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Degussa filed Critical Degussa
Publication of ZW8090A1 publication Critical patent/ZW8090A1/xx

Links

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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C02F1/722—Oxidation by peroxides
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
ZW80/90A 1989-05-19 1990-05-17 Improved process for the removal of cyanide from wastewaters ZW8090A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/354,039 US4966715A (en) 1989-05-19 1989-05-19 Process for the removal of cyanide from wastewaters

Publications (1)

Publication Number Publication Date
ZW8090A1 true ZW8090A1 (en) 1992-03-11

Family

ID=23391642

Family Applications (1)

Application Number Title Priority Date Filing Date
ZW80/90A ZW8090A1 (en) 1989-05-19 1990-05-17 Improved process for the removal of cyanide from wastewaters

Country Status (14)

Country Link
US (1) US4966715A (xx)
EP (1) EP0398234B1 (xx)
AT (1) ATE72810T1 (xx)
AU (1) AU623777B2 (xx)
BR (1) BR9002279A (xx)
CA (1) CA2017005A1 (xx)
DE (1) DE69000024D1 (xx)
DK (1) DK0398234T3 (xx)
ES (1) ES2030601T3 (xx)
GR (1) GR3004191T3 (xx)
MX (1) MX165675B (xx)
NZ (1) NZ233711A (xx)
ZA (1) ZA903346B (xx)
ZW (1) ZW8090A1 (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137642A (en) * 1992-01-21 1992-08-11 Fmc Corporation Detoxification of aqueous cyanide solutions
US5762808A (en) * 1995-05-09 1998-06-09 Research Corporation Technologies, Inc. Destruction of electron affinic contaminants during water treatment using free radical processes
US5676846A (en) * 1996-05-16 1997-10-14 Degussa Corporation Process for the detoxification of effluents containing free or complexed cyanides
EP0811580A3 (en) * 1996-06-07 1998-12-02 Shiro Yoshizaki Method for removing heavy metal from sludge
WO2000034288A1 (en) * 1998-12-08 2000-06-15 E.I. Du Pont De Nemours And Company Process for removal of cyanide from reactions producing 1,3 diones
US6623646B2 (en) * 2000-05-16 2003-09-23 James Daniel Bryant In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater
CA2530802A1 (en) * 2003-06-27 2005-02-03 Enviro Tech Chemical Services, Inc. Highly concentrated bromine compositions and methods of preparation
US8025812B2 (en) * 2007-04-27 2011-09-27 International Business Machines Corporation Selective etch of TiW for capture pad formation
DE102016004061A1 (de) 2016-04-08 2017-10-12 Eisenmann Se Verfahren und Anlage zum Behandeln von cyanidhaltigen Flüssigkeiten
CN106269785B (zh) * 2016-07-29 2018-03-30 山东国大黄金股份有限公司 一种焙烧氰化尾渣清洁转化的方法
JP7157192B2 (ja) * 2020-03-04 2022-10-19 日鉄環境株式会社 水処理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1564915A (xx) * 1968-03-14 1969-04-25
US3531405A (en) * 1968-04-03 1970-09-29 Industrial Filter Pump Mfg Co Method and apparatus for treating waste
US3617567A (en) * 1969-05-15 1971-11-02 Du Pont Destruction of cyanide in aqueous solutions
JPS516462B2 (xx) * 1972-01-10 1976-02-27
FR2303766A1 (fr) * 1975-03-13 1976-10-08 Aquitaine Petrole Elimination de matieres oxydables des eaux polluees
FR2464230A1 (fr) * 1979-08-31 1981-03-06 Ugine Kuhlmann Procede d'epuration des eaux residuaires contenant des matieres colorantes
US4671882A (en) * 1983-08-31 1987-06-09 Deere & Company Phosphoric acid/lime hazardous waste detoxification treatment process

Also Published As

Publication number Publication date
DK0398234T3 (da) 1992-03-23
NZ233711A (en) 1991-06-25
ZA903346B (en) 1991-03-27
GR3004191T3 (xx) 1993-03-31
EP0398234A1 (en) 1990-11-22
BR9002279A (pt) 1991-08-06
US4966715A (en) 1990-10-30
MX165675B (es) 1992-11-27
AU5571790A (en) 1990-11-22
ES2030601T3 (es) 1992-11-01
ATE72810T1 (de) 1992-03-15
CA2017005A1 (en) 1990-11-19
DE69000024D1 (de) 1992-04-02
EP0398234B1 (en) 1992-02-26
AU623777B2 (en) 1992-05-21

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