GB2249308B - Solvent purification - Google Patents

Solvent purification

Info

Publication number
GB2249308B
GB2249308B GB9023530A GB9023530A GB2249308B GB 2249308 B GB2249308 B GB 2249308B GB 9023530 A GB9023530 A GB 9023530A GB 9023530 A GB9023530 A GB 9023530A GB 2249308 B GB2249308 B GB 2249308B
Authority
GB
United Kingdom
Prior art keywords
solvent purification
purification
solvent
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 - Lifetime
Application number
GB9023530A
Other versions
GB2249308A (en
GB9023530D0 (en
Inventor
Gerard Kenny
Miles Harcourt
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.)
G K ANALYTICAL SCIENCES LIMITE
Original Assignee
G K ANALYTICAL SCIENCES LIMITE
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 G K ANALYTICAL SCIENCES LIMITE filed Critical G K ANALYTICAL SCIENCES LIMITE
Priority to GB9023530A priority Critical patent/GB2249308B/en
Priority to BE9001058A priority patent/BE1002441A6/en
Publication of GB9023530D0 publication Critical patent/GB9023530D0/en
Publication of GB2249308A publication Critical patent/GB2249308A/en
Application granted granted Critical
Publication of GB2249308B publication Critical patent/GB2249308B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/02—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
    • C07C255/03—Mononitriles
    • 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)
GB9023530A 1990-10-30 1990-10-30 Solvent purification Expired - Lifetime GB2249308B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9023530A GB2249308B (en) 1990-10-30 1990-10-30 Solvent purification
BE9001058A BE1002441A6 (en) 1990-10-30 1990-11-09 SOLVENT PURIFICATION PROCESS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9023530A GB2249308B (en) 1990-10-30 1990-10-30 Solvent purification

Publications (3)

Publication Number Publication Date
GB9023530D0 GB9023530D0 (en) 1990-12-12
GB2249308A GB2249308A (en) 1992-05-06
GB2249308B true GB2249308B (en) 1994-05-18

Family

ID=10684534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023530A Expired - Lifetime GB2249308B (en) 1990-10-30 1990-10-30 Solvent purification

Country Status (2)

Country Link
BE (1) BE1002441A6 (en)
GB (1) GB2249308B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629443A (en) * 1993-05-14 1997-05-13 Asahi Kasei Kogyo Kabushiki Kaisha Highly purified acetonitrile and process for purifying crude acetonitrile
US5440068A (en) * 1993-12-30 1995-08-08 The Standard Oil Company Acetonitrile purification via an adsorption-based process
EP0723954B1 (en) * 1995-01-25 1999-05-19 The Standard Oil Company Acetonitrile purification via an adsorption-based process
TR28966A (en) * 1995-03-14 1997-07-21 Standard Oil Co Ohio Purification of acetonitrile through adsorption-based processing.
GB2435040B (en) * 2006-02-08 2009-10-07 G K Analytical Sciences Ltd Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation
SG11201501216XA (en) * 2012-08-31 2015-05-28 Asahi Kasei Chemicals Corp Method for purifying acetonitrile
CN104744299A (en) * 2013-12-31 2015-07-01 上海星可高纯溶剂有限公司 Method for purifying high pure organic solvent acetonitrile
US10336690B2 (en) * 2014-02-24 2019-07-02 Honeywell International Inc. Methods and systems for processing an acetonitrile waste stream
CN104529821B (en) * 2014-12-31 2017-03-29 南通醋酸化工股份有限公司 A kind of method for removing the acrylonitrile in acetonitrile product

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1318588A1 (en) * 1985-08-26 1987-06-23 Всесоюзный Научно-Исследовательский Институт Химических Реактивов И Особо Чистых Химических Веществ Method for purifying acetonitrile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1318588A1 (en) * 1985-08-26 1987-06-23 Всесоюзный Научно-Исследовательский Институт Химических Реактивов И Особо Чистых Химических Веществ Method for purifying acetonitrile

Also Published As

Publication number Publication date
GB2249308A (en) 1992-05-06
BE1002441A6 (en) 1991-02-12
GB9023530D0 (en) 1990-12-12

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20101029