ZA903346B - Process for the removal of cyanide wastewaters - Google Patents

Process for the removal of cyanide wastewaters

Info

Publication number
ZA903346B
ZA903346B ZA903346A ZA903346A ZA903346B ZA 903346 B ZA903346 B ZA 903346B ZA 903346 A ZA903346 A ZA 903346A ZA 903346 A ZA903346 A ZA 903346A ZA 903346 B ZA903346 B ZA 903346B
Authority
ZA
South Africa
Prior art keywords
hydrogen peroxide
removal
mixture
cyanide
wastewaters
Prior art date
Application number
ZA903346A
Other languages
English (en)
Inventor
M Quamrul Ahsan
Quamrul Ahsan M
Andrew Griffiths
Griffiths Andrew
Ernest Haug
Haug Ernest
Roy Norcross
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 ZA903346B publication Critical patent/ZA903346B/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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
ZA903346A 1989-05-19 1990-05-02 Process for the removal of cyanide wastewaters ZA903346B (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
ZA903346B true ZA903346B (en) 1991-03-27

Family

ID=23391642

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA903346A ZA903346B (en) 1989-05-19 1990-05-02 Process for the removal of cyanide 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
AU2003258962A1 (en) * 2003-06-27 2005-02-14 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
BR9002279A (pt) 1991-08-06
AU623777B2 (en) 1992-05-21
EP0398234A1 (en) 1990-11-22
ZW8090A1 (en) 1992-03-11
AU5571790A (en) 1990-11-22
EP0398234B1 (en) 1992-02-26
ATE72810T1 (de) 1992-03-15
DK0398234T3 (da) 1992-03-23
ES2030601T3 (es) 1992-11-01
GR3004191T3 (xx) 1993-03-31
US4966715A (en) 1990-10-30
CA2017005A1 (en) 1990-11-19
NZ233711A (en) 1991-06-25
MX165675B (es) 1992-11-27
DE69000024D1 (de) 1992-04-02

Similar Documents

Publication Publication Date Title
DE3471087D1 (en) Method of treating peroxide-containing wastewater
IE890345L (en) Anoxic ammonia oxidation
GR3000842T3 (en) Method for purifying waste water
ZA903346B (en) Process for the removal of cyanide wastewaters
DE3469722D1 (en) Process and apparatus for the biological denitrification of water
ZA895545B (en) Process for the treatment of effluents containing cyanide and/or other oxidizable substances
FI900142A (fi) Vattenreningsprocess 2.
EP0104648A3 (en) Waste water treatment
AU630926B2 (en) Method for reducing industrial or urban effluent cod
EP0275538A3 (en) Method and apparatus for biological purification of wastewater with no excess activated sludge
DE3364463D1 (en) Method and apparatus for the biological nitrification of waste water
JPS56161892A (en) Unstationary active sludge process
JPS6470198A (en) Nitrogen removal treatment of waste water
JPS55102498A (en) Treatment of waste water
JPS57167724A (en) Deodorizing method for gas containing nitrogen type malodorous components
JPS5695390A (en) Treating method for waste water containing chromic acid
GR3006338T3 (xx)
JPS56124496A (en) Treatment of waste water containing nitrogen in ammonia form and dithionates
JPS57113895A (en) Denitrification treatment of water
Kapp Denitrification in Sewage Treatment Plants- Demand in Regions with Small Carbonate Hardness of the Drinking-Water(Denitrifikation in Klaranlagen- Forderung in Regionen mit geringer Carbonatharte des Trinkwassers)
JPS5644095A (en) Raw sewage treating method
JPS5513169A (en) Treatment of sewage
EP0216433A3 (en) Process and plant for the depuration treatment of effluent waters
Canziani Submerged aerated biofilters. III-- Experimental determination of nitrification kinetic constants.
GB1527292A (en) Electrolytic flotation