GB2079747B - Purification of acetonitrile by caustic extraction - Google Patents

Purification of acetonitrile by caustic extraction

Info

Publication number
GB2079747B
GB2079747B GB8119610A GB8119610A GB2079747B GB 2079747 B GB2079747 B GB 2079747B GB 8119610 A GB8119610 A GB 8119610A GB 8119610 A GB8119610 A GB 8119610A GB 2079747 B GB2079747 B GB 2079747B
Authority
GB
United Kingdom
Prior art keywords
acetonitrile
purification
caustic extraction
caustic
extraction
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
GB8119610A
Other languages
English (en)
Other versions
GB2079747A (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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB2079747A publication Critical patent/GB2079747A/en
Application granted granted Critical
Publication of GB2079747B publication Critical patent/GB2079747B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB8119610A 1980-06-26 1981-06-25 Purification of acetonitrile by caustic extraction Expired GB2079747B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/163,100 US4287134A (en) 1980-06-26 1980-06-26 Purification of acetonitrile by caustic extraction

Publications (2)

Publication Number Publication Date
GB2079747A GB2079747A (en) 1982-01-27
GB2079747B true GB2079747B (en) 1984-03-07

Family

ID=22588479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8119610A Expired GB2079747B (en) 1980-06-26 1981-06-25 Purification of acetonitrile by caustic extraction

Country Status (8)

Country Link
US (1) US4287134A (OSRAM)
JP (1) JPS5732259A (OSRAM)
KR (1) KR840001839B1 (OSRAM)
CA (1) CA1166269A (OSRAM)
DE (1) DE3125262A1 (OSRAM)
FR (1) FR2485528A1 (OSRAM)
GB (1) GB2079747B (OSRAM)
NL (1) NL8103068A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334328A1 (de) * 1983-09-22 1985-04-11 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren zur vernichtung von gebundener blausaeure und acrylnitril in rohem acetonitril
US5250721A (en) * 1991-12-11 1993-10-05 The Standard Oil Company Method for stabilization of crude acetonitrile as oxidation or ammoxidation feed
EP0641314B1 (en) * 1992-05-21 1997-01-22 Cryodyne Technologies Inc. Method for purification of acetonitrile
WO1994026698A1 (fr) * 1993-05-14 1994-11-24 Asahi Kasei Kogyo Kabushiki Kaisha Acetonitrile de grande purete et purification d'acetonitrile brut
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
ES2131269T3 (es) * 1995-01-25 1999-07-16 Standard Oil Co Ohio Purificacion de acetonitrilo por medio de un proceso basado en la adsorcion.
TR28966A (tr) * 1995-03-14 1997-07-21 Standard Oil Co Ohio Adsorpsiyona dayali islem vasitasiyla asetonitrilin saflastirilmasi.
CN107935887B (zh) * 2017-12-21 2020-12-08 上海应用技术大学 一种梯度级乙腈的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453472A (en) * 1944-10-12 1948-11-09 Sinclair Refining Co Dehydration of saturated nitriles
FR1081752A (fr) * 1952-08-05 1954-12-22 Basf Ag Procédé de purification de l'acrylnitrile
US3203974A (en) * 1962-09-05 1965-08-31 Universal Oil Prod Co Purification of acetonitrile and propionitrile
US3328458A (en) * 1964-09-10 1967-06-27 Universal Oil Prod Co Purification of nitriles
FR1431919A (fr) 1965-02-06 1966-03-18 Electrochimie Soc Perfectionnements à la purification de mélanges contenant de l'acétonitrile
US3451899A (en) * 1965-12-21 1969-06-24 Badger Co Purification of acetonitrile by an azeotropic distillation method
US4119497A (en) * 1975-12-01 1978-10-10 Instituto Mexicano Del Petroleo Process for the purification of acetonitrile

Also Published As

Publication number Publication date
DE3125262A1 (de) 1982-06-09
KR840001839B1 (ko) 1984-10-22
US4287134A (en) 1981-09-01
NL8103068A (nl) 1982-01-18
CA1166269A (en) 1984-04-24
GB2079747A (en) 1982-01-27
JPS5732259A (en) 1982-02-20
FR2485528A1 (fr) 1981-12-31
FR2485528B1 (OSRAM) 1984-10-12
KR830006143A (ko) 1983-09-17

Similar Documents

Publication Publication Date Title
EP0046581A3 (en) Process for separation of carbohydrates
EP0171009A3 (en) Purification of tocopherols by extraction
DE3167002D1 (en) Process for recovery of olefinic nitriles
GB2081851B (en) Improvements to hollow charges
JPS5739791A (en) Production of l-calnitine
GB8313007D0 (en) Production of alkyl mono-halide
GB2132199B (en) Prostaglandin analogs
JPS5751117A (en) Recovery of alumina
GB2079747B (en) Purification of acetonitrile by caustic extraction
JPS57139072A (en) Purification of ethyltetrahydrofurfuryl ether by brine solution extraction
ZA811020B (en) Recovery of copper by flotation process
JPS56140897A (en) Production of aspurtem
JPS5728076A (en) Purification of tetrahydrofuran
GB2113115B (en) Recovery of substantially anhydrous desorbate
JPS5743692A (en) Production of macrolide type compound
YU41381B (en) Process for the purification of gallium solutions of liguiid-liguid extraction
JPS55153787A (en) Recovery of spectinomycin
DE3174221D1 (en) Manufacture of azoic compounds
GB2071127B (en) Process for the purification of glucosaninoglucans
JPS57121647A (en) Operation of loom
JPS5747497A (en) Purification of sugar solution
JPS57111243A (en) Recovery of vanadium from acidic vanadium solution
DE3368603D1 (en) Production of n-t-alkylamides from t-olefins or t-alcohols
GB2077292B (en) Electrolytic recovery of ag
JPS5710006A (en) Purification of reactant

Legal Events

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