DE69506639T2 - Verfahren zur Entfernung von Cyanwasserstoffsäure-Verunreinigungen aus organischer Flüssigkeit - Google Patents

Verfahren zur Entfernung von Cyanwasserstoffsäure-Verunreinigungen aus organischer Flüssigkeit

Info

Publication number
DE69506639T2
DE69506639T2 DE69506639T DE69506639T DE69506639T2 DE 69506639 T2 DE69506639 T2 DE 69506639T2 DE 69506639 T DE69506639 T DE 69506639T DE 69506639 T DE69506639 T DE 69506639T DE 69506639 T2 DE69506639 T2 DE 69506639T2
Authority
DE
Germany
Prior art keywords
organic liquid
hydrocyanic acid
acid impurities
removing hydrocyanic
impurities
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 - Fee Related
Application number
DE69506639T
Other languages
English (en)
Other versions
DE69506639D1 (de
Inventor
Sudhir Kumar Agarwal
Bharati Dinkar Chheda
Rajiv Manohar Banavali
Samuel Franklin Reed
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Application granted granted Critical
Publication of DE69506639D1 publication Critical patent/DE69506639D1/de
Publication of DE69506639T2 publication Critical patent/DE69506639T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A62D3/36—Detoxification by using acid or alkaline reagents
    • 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
    • A62D2101/40—Inorganic substances
    • A62D2101/45—Inorganic substances containing nitrogen or phosphorus

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
DE69506639T 1994-08-23 1995-08-04 Verfahren zur Entfernung von Cyanwasserstoffsäure-Verunreinigungen aus organischer Flüssigkeit Expired - Fee Related DE69506639T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/294,526 US5519162A (en) 1994-08-23 1994-08-23 Method for removing a hydrogen cyanide contaminant from an organic liquid

Publications (2)

Publication Number Publication Date
DE69506639D1 DE69506639D1 (de) 1999-01-28
DE69506639T2 true DE69506639T2 (de) 1999-09-02

Family

ID=23133824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69506639T Expired - Fee Related DE69506639T2 (de) 1994-08-23 1995-08-04 Verfahren zur Entfernung von Cyanwasserstoffsäure-Verunreinigungen aus organischer Flüssigkeit

Country Status (5)

Country Link
US (1) US5519162A (de)
EP (1) EP0698401B1 (de)
CA (1) CA2156699A1 (de)
DE (1) DE69506639T2 (de)
ZA (1) ZA957062B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69519832T2 (de) * 1994-07-18 2001-06-07 Asahi Glass Co Ltd Verfahren zur Polyetherreinigung
JP3428404B2 (ja) * 1997-10-23 2003-07-22 三菱レイヨン株式会社 アミド化合物の製造方法
US6200545B1 (en) 1999-01-22 2001-03-13 Dreisinger Consulting Inc Cyanide recovery by solvent extraction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821220A (en) * 1972-01-04 1974-06-28 Ciba Geigy Corp Reducing hydrogen cyanide levels in the formation of cyanoalkylamino substituted triazines
US4131642A (en) * 1976-09-17 1978-12-26 Ciba-Geigy Corporation Treatment of the waste from the production of tertiary butyl amine to recover sodium sulfate and methyl or sodium formate
DE4014023A1 (de) * 1990-05-02 1991-11-07 Bosch Gmbh Robert Verfahren und anlage zur entgiftung von cyanidhaltigen stoffen, loesungen od. dgl.
GB9210651D0 (en) * 1992-05-19 1992-07-01 Ici Plc Hydrogen cyanide removal process

Also Published As

Publication number Publication date
US5519162A (en) 1996-05-21
EP0698401A3 (de) 1996-05-29
CA2156699A1 (en) 1996-02-24
ZA957062B (en) 1996-02-23
EP0698401B1 (de) 1998-12-16
DE69506639D1 (de) 1999-01-28
EP0698401A2 (de) 1996-02-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee