GB1440503A - Treatment of cyanide polluted waters - Google Patents

Treatment of cyanide polluted waters

Info

Publication number
GB1440503A
GB1440503A GB4962773A GB4962773A GB1440503A GB 1440503 A GB1440503 A GB 1440503A GB 4962773 A GB4962773 A GB 4962773A GB 4962773 A GB4962773 A GB 4962773A GB 1440503 A GB1440503 A GB 1440503A
Authority
GB
United Kingdom
Prior art keywords
water
treatment
ions
cyanide
ferrocyanide
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
Application number
GB4962773A
Other languages
English (en)
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.)
Universite de Sherbrooke
Original Assignee
Universite de Sherbrooke
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 Universite de Sherbrooke filed Critical Universite de Sherbrooke
Publication of GB1440503A publication Critical patent/GB1440503A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40Inorganic substances
    • A62D2101/45Inorganic substances containing nitrogen or phosphorus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • C02F2101/18Cyanides

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Removal Of Specific Substances (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB4962773A 1972-11-10 1973-10-24 Treatment of cyanide polluted waters Expired GB1440503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30528772A 1972-11-10 1972-11-10

Publications (1)

Publication Number Publication Date
GB1440503A true GB1440503A (en) 1976-06-23

Family

ID=23180182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4962773A Expired GB1440503A (en) 1972-11-10 1973-10-24 Treatment of cyanide polluted waters

Country Status (6)

Country Link
JP (1) JPS521587B2 (enrdf_load_stackoverflow)
BE (1) BE807057A (enrdf_load_stackoverflow)
DE (1) DE2353559A1 (enrdf_load_stackoverflow)
FR (1) FR2206285A1 (enrdf_load_stackoverflow)
GB (1) GB1440503A (enrdf_load_stackoverflow)
NL (1) NL7314169A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078329A1 (en) * 1980-02-19 1983-05-11 Engineering and Technical Consultants, Inc. Process for the removal of cyanide from an aqueous solution
RU2374340C1 (ru) * 2008-06-04 2009-11-27 Закрытое акционерное общество "Золотодобывающая компания "Полюс" Способ регенерации цианида из водных растворов

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629697A (en) * 1979-08-13 1981-03-25 Electroplating Eng Of Japan Co Regeneration of gold plating liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078329A1 (en) * 1980-02-19 1983-05-11 Engineering and Technical Consultants, Inc. Process for the removal of cyanide from an aqueous solution
RU2374340C1 (ru) * 2008-06-04 2009-11-27 Закрытое акционерное общество "Золотодобывающая компания "Полюс" Способ регенерации цианида из водных растворов

Also Published As

Publication number Publication date
BE807057A (fr) 1974-03-01
JPS49134165A (enrdf_load_stackoverflow) 1974-12-24
DE2353559A1 (de) 1974-05-16
JPS521587B2 (enrdf_load_stackoverflow) 1977-01-17
FR2206285A1 (enrdf_load_stackoverflow) 1974-06-07
NL7314169A (enrdf_load_stackoverflow) 1974-05-14

Similar Documents

Publication Publication Date Title
JPS51142860A (en) Method for oxidation treatment of fe2+ in waste liquor
GB1269223A (en) Waste treatment for phosphate removal
IL50781A (en) Activated sludge wastewater treatment process for removing phosphate from bod-containing wastewater
GB1214677A (en) Process and plant for biological purification of waste water and sewage
GB1440171A (en) Treatment of acqueous effluents to remove nitrate and nitrate ions
IL47342A (en) Process for treating sewage sludge and fertilizer and animal feed supplement products thereof
BE855183A (fr) Procede d'epuration d'eaux residuaires contenant de l'ammoniac ou des sels d'ammonium
ES420151A1 (es) Un procedimiento para la purificacion de efluentes indus- triales que contienen ditiocarbamato disuelto.
FR2474017B1 (fr) Epaississeur de boues, notamment de boues activees dans le traitement des eaux
IE41948L (en) Treating algae
ES413981A1 (es) Procedimiento para destruir las bacterias y eliminar las algas en aguas y sistemas acuosos.
GB1440503A (en) Treatment of cyanide polluted waters
AT290421B (de) Kläranlage zur biologischen Reinigung von intermittierend zufließenden Abwässern nach dem Belebtschlammverfahren
GB1475263A (en) Mucopolysaccharides and their production
CH550744A (de) Verfahren zum reinigen von abwasser und aufbereiten von schlamm und anlage zur durchfuehrung des verfahrens.
FR2317221A1 (fr) Procede de traitement des boues phosphatees
GB1188394A (en) Treatment of Sewage Sludge
ES421512A1 (es) Procedimiento para la preparacion de azul de prusia.
GB1449342A (en) Process for reducing the oil conentt of aqueous effluents
GB1263753A (en) Process for controlling cultures of microorganisms, especially in the biological treatment of effluents
GB1429452A (en) Methodof accelerating and intensifying biological decomposi tion processes using the waste heat in cooling water from industrial plants
SU447359A1 (ru) Способ переработки бедных фосфорных шламов
SU550347A1 (ru) Способ биохимической очистки сточных вод
GB1468655A (en) Method for the treatment of mesh screens
KR790000042B1 (en) Method for treatment of -caprolactam by microorganism

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee