CH581475A5 - - Google Patents

Info

Publication number
CH581475A5
CH581475A5 CH1220272A CH1220272A CH581475A5 CH 581475 A5 CH581475 A5 CH 581475A5 CH 1220272 A CH1220272 A CH 1220272A CH 1220272 A CH1220272 A CH 1220272A CH 581475 A5 CH581475 A5 CH 581475A5
Authority
CH
Switzerland
Application number
CH1220272A
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 CH581475A5 publication Critical patent/CH581475A5/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/35—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by hydrolysis
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/26—Organic substances containing nitrogen or phosphorus
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1220272A 1971-08-18 1972-08-17 CH581475A5 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2141294A DE2141294A1 (de) 1971-08-18 1971-08-18 Verfahren zur umweltfreundlichen vernichtung von festen und fluessigen cyanidabfaellen

Publications (1)

Publication Number Publication Date
CH581475A5 true CH581475A5 (pt) 1976-11-15

Family

ID=5817036

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1220272A CH581475A5 (pt) 1971-08-18 1972-08-17

Country Status (9)

Country Link
US (1) US3945919A (pt)
JP (1) JPS4829673A (pt)
BR (1) BR7205670D0 (pt)
CH (1) CH581475A5 (pt)
DE (1) DE2141294A1 (pt)
FR (1) FR2150793A1 (pt)
GB (1) GB1391550A (pt)
IT (1) IT969539B (pt)
NL (1) NL7210887A (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071448A (en) * 1972-09-18 1978-01-31 Mitsui Toatsu Chemicals, Incorporated Method for treatment of cyanide-containing waste water
US4042502A (en) * 1973-05-10 1977-08-16 Veb Jenapharm Jena Detoxification of cyanides and cyanide-containing solutions
IT1063963B (it) * 1975-04-30 1985-02-18 Westinghouse Electric Corp Procedimento e apparecchio perfezionato per la rimozione di inquinanti dall'acqua
DE2553840C3 (de) * 1975-11-29 1981-01-29 Bayer Ag, 5090 Leverkusen Druckhydrolytische Behandlung von Abwasser
JPS5919757B2 (ja) * 1976-08-10 1984-05-08 大阪瓦斯株式会社 廃水の処理方法
JPS5751108Y2 (pt) * 1977-07-12 1982-11-08
US4148865A (en) * 1978-01-06 1979-04-10 The Lummus Company Treatment of cyanide byproduct in nitrile production
JPS607557B2 (ja) * 1980-05-22 1985-02-25 三菱電線工業株式会社 ニッケルシアン化合物含有液の処理方法
DE3742948C1 (de) * 1987-12-18 1989-01-26 Gerling Inst Pro Schadenforsch Verfahren zur Entfernung und zur qualitativ-analytischen Bestimmung von Cyanid in verunreinigten Boeden
US4877519A (en) * 1988-06-28 1989-10-31 Cyanide Destruct Systems, Inc. Reactor and heat exchanger system for cyanide waste water treatment
US5256313A (en) * 1992-12-21 1993-10-26 Heritage Environmental Services, Inc. System and process for treatment of cyanide-containing waste
DE4340356A1 (de) * 1993-11-26 1995-06-01 Wieland Edelmetalle Verfahren und Vorrichtung zum Abbau von harten Komplexbildnern in wässriger Lösung
US6444130B1 (en) 2000-10-30 2002-09-03 Fmc Properties,Llc. Process for rendering waste from electric furnace production of phosphorus non-hazardous
DE102006062387A1 (de) * 2006-12-19 2008-06-26 Wieland Dental + Technik Gmbh & Co. Kg Verfahren und Vorrichtung zur Behandlung von cyanid- und/oder komplexbildnerhaltigen Lösungen
US20090172290A1 (en) * 2007-12-31 2009-07-02 Wang Jason H Replacing stored content to make room for additional content
CN113477667B (zh) * 2021-07-05 2022-02-15 广东天源环境科技有限公司 氰化尾渣脱氰方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194438A (en) * 1938-10-21 1940-03-19 Du Pont Disposal of waste cyanide solutions
US2261921A (en) * 1938-10-31 1941-11-04 Girdler Corp Treatment of waste materials
US2459464A (en) * 1945-11-06 1949-01-18 Blaw Knox Co Detoxification of cyanide-containing industrial waste liquors
US3505217A (en) * 1968-05-03 1970-04-07 Enthone Process for the destruction of cyanide in waste solutions
US3617567A (en) * 1969-05-15 1971-11-02 Du Pont Destruction of cyanide in aqueous solutions
US3650949A (en) * 1969-12-24 1972-03-21 Calgon Corp Cyanide removal
US3697421A (en) * 1971-04-15 1972-10-10 Miles Lab Cyanide removal from waste effluents
US3772194A (en) * 1972-06-21 1973-11-13 Eastman Kodak Co Silver catalyzed oxidation of complex metal cyanides

Also Published As

Publication number Publication date
US3945919A (en) 1976-03-23
IT969539B (it) 1974-04-10
NL7210887A (pt) 1973-02-20
DE2141294A1 (de) 1973-02-22
JPS4829673A (pt) 1973-04-19
FR2150793A1 (pt) 1973-04-13
GB1391550A (en) 1975-04-23
BR7205670D0 (pt) 1973-07-03

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Legal Events

Date Code Title Description
PL Patent ceased