BR8504757A - Processo para a remocao de impurezas compreendendo nitrilas e as referidas impurezas - Google Patents

Processo para a remocao de impurezas compreendendo nitrilas e as referidas impurezas

Info

Publication number
BR8504757A
BR8504757A BR8504757A BR8504757A BR8504757A BR 8504757 A BR8504757 A BR 8504757A BR 8504757 A BR8504757 A BR 8504757A BR 8504757 A BR8504757 A BR 8504757A BR 8504757 A BR8504757 A BR 8504757A
Authority
BR
Brazil
Prior art keywords
impurities
nitrilles
understanding
referred
removing impurities
Prior art date
Application number
BR8504757A
Other languages
English (en)
Inventor
Dieter Frank
Lincoln Douglas Metcalfe
John Yong-Gi Park
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Publication of BR8504757A publication Critical patent/BR8504757A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Detergent Compositions (AREA)
  • Paper (AREA)
BR8504757A 1984-09-28 1985-09-27 Processo para a remocao de impurezas compreendendo nitrilas e as referidas impurezas BR8504757A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/656,083 US4575434A (en) 1984-09-28 1984-09-28 Process for the separation of amides from nitriles

Publications (1)

Publication Number Publication Date
BR8504757A true BR8504757A (pt) 1986-07-22

Family

ID=24631545

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8504757A BR8504757A (pt) 1984-09-28 1985-09-27 Processo para a remocao de impurezas compreendendo nitrilas e as referidas impurezas

Country Status (8)

Country Link
US (1) US4575434A (pt)
EP (1) EP0177097A1 (pt)
JP (1) JPS61126063A (pt)
AU (1) AU4798285A (pt)
BR (1) BR8504757A (pt)
CA (1) CA1260495A (pt)
ES (1) ES8607741A1 (pt)
NO (1) NO853820L (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996322A (en) * 1989-05-15 1991-02-26 Air Products And Chemicals, Inc. Separation of amides with molecular sieves
US5426208A (en) * 1992-05-21 1995-06-20 Cryodyne Technologies, Inc. Method of purification of acetonitrile
EP0641314B1 (en) * 1992-05-21 1997-01-22 Cryodyne Technologies Inc. Method for purification of acetonitrile
US6395142B1 (en) 1999-10-14 2002-05-28 Chemcycles, Inc. Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
MXPA05005155A (es) * 2002-11-15 2005-07-22 Akzo Nobel Nv Tratamiento de purificacion/decoloracion para nitrilos grasos.
FR3002227B1 (fr) * 2013-02-20 2021-10-01 Arkema France Procede de nitrilation en phase gaz et liquide gaz

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206497A (en) * 1965-09-14 Purification of nitriles
US2622097A (en) * 1950-11-13 1952-12-16 American Cyanamid Co Purification of acrylonitrile
US2943049A (en) * 1957-01-25 1960-06-28 Union Oil Co Denitrogenation of hydrocarbon mixtures
US3262966A (en) * 1963-07-22 1966-07-26 Monsanto Co Purification of acrylonitrile
GB1399338A (en) * 1971-10-11 1975-07-02 Ici Ltd Process for the purification of adiponitrile
US4146555A (en) * 1975-08-26 1979-03-27 Du Pont Of Canada Limited Process for purifying adiponitrile

Also Published As

Publication number Publication date
ES8607741A1 (es) 1986-06-01
JPS61126063A (ja) 1986-06-13
AU4798285A (en) 1986-04-10
CA1260495A (en) 1989-09-26
US4575434A (en) 1986-03-11
ES547371A0 (es) 1986-06-01
NO853820L (no) 1986-04-01
EP0177097A1 (en) 1986-04-09

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: C07C 253/34 (2006.01)