AU623777B2 - Improved process for the removal of cyanide from wastewaters - Google Patents

Improved process for the removal of cyanide from wastewaters Download PDF

Info

Publication number
AU623777B2
AU623777B2 AU55717/90A AU5571790A AU623777B2 AU 623777 B2 AU623777 B2 AU 623777B2 AU 55717/90 A AU55717/90 A AU 55717/90A AU 5571790 A AU5571790 A AU 5571790A AU 623777 B2 AU623777 B2 AU 623777B2
Authority
AU
Australia
Prior art keywords
cyanide
phosphoric acid
hydrogen peroxide
wastewater
effluent
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.)
Ceased
Application number
AU55717/90A
Other languages
English (en)
Other versions
AU5571790A (en
Inventor
M. Quamrul Ahsan
Andrew Griffiths
Ernest Haug
Roy Norcross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 GmbH filed Critical Degussa GmbH
Publication of AU5571790A publication Critical patent/AU5571790A/en
Application granted granted Critical
Publication of AU623777B2 publication Critical patent/AU623777B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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)
AU55717/90A 1989-05-19 1990-05-18 Improved process for the removal of cyanide from wastewaters Ceased AU623777B2 (en)

Applications Claiming Priority (2)

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
US354039 1989-05-19

Publications (2)

Publication Number Publication Date
AU5571790A AU5571790A (en) 1990-11-22
AU623777B2 true AU623777B2 (en) 1992-05-21

Family

ID=23391642

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55717/90A Ceased AU623777B2 (en) 1989-05-19 1990-05-18 Improved process for the removal of cyanide from wastewaters

Country Status (14)

Country Link
US (1) US4966715A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0398234B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE72810T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU623777B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR9002279A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2017005A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69000024D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK0398234T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2030601T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3004191T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX165675B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ233711A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA903346B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZW (1) ZW8090A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
AU1716799A (en) * 1998-12-08 2000-06-26 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3843516A (en) * 1972-01-10 1974-10-22 Toyo Gas Chem Ind Inc Process for treating waste solutions containing cyano-heavy metal-complex compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1564915A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-03-14 1969-04-25
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3843516A (en) * 1972-01-10 1974-10-22 Toyo Gas Chem Ind Inc Process for treating waste solutions containing cyano-heavy metal-complex compounds

Also Published As

Publication number Publication date
US4966715A (en) 1990-10-30
BR9002279A (pt) 1991-08-06
NZ233711A (en) 1991-06-25
GR3004191T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-31
AU5571790A (en) 1990-11-22
ZA903346B (en) 1991-03-27
EP0398234B1 (en) 1992-02-26
DK0398234T3 (da) 1992-03-23
CA2017005A1 (en) 1990-11-19
ATE72810T1 (de) 1992-03-15
ES2030601T3 (es) 1992-11-01
ZW8090A1 (en) 1992-03-11
EP0398234A1 (en) 1990-11-22
MX165675B (es) 1992-11-27
DE69000024D1 (de) 1992-04-02

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