NL178249B - PROCESS FOR THE EXTRACTION AND PURIFICATION OF ACRYLONITRIL OR METHACRYLONITRIL. - Google Patents

PROCESS FOR THE EXTRACTION AND PURIFICATION OF ACRYLONITRIL OR METHACRYLONITRIL.

Info

Publication number
NL178249B
NL178249B NL7105164A NL7105164A NL178249B NL 178249 B NL178249 B NL 178249B NL 7105164 A NL7105164 A NL 7105164A NL 7105164 A NL7105164 A NL 7105164A NL 178249 B NL178249 B NL 178249B
Authority
NL
Netherlands
Prior art keywords
methacrylonitril
acrylonitril
purification
extraction
Prior art date
Application number
NL7105164A
Other languages
Dutch (nl)
Other versions
NL7105164A (en
NL178249C (en
Original Assignee
Standard Oil Co Ohio
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 Standard Oil Co Ohio filed Critical Standard Oil Co Ohio
Publication of NL7105164A publication Critical patent/NL7105164A/xx
Publication of NL178249B publication Critical patent/NL178249B/en
Application granted granted Critical
Publication of NL178249C publication Critical patent/NL178249C/en

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
NL7105164A 1970-04-16 1971-04-16 PROCESS FOR THE EXTRACTION AND PURIFICATION OF ACRYLONITRIL OR METHACRYLONITRIL. NL178249C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2902270A 1970-04-16 1970-04-16

Publications (3)

Publication Number Publication Date
NL7105164A NL7105164A (en) 1971-10-19
NL178249B true NL178249B (en) 1985-09-16
NL178249C NL178249C (en) 1986-02-17

Family

ID=21846801

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7105164A NL178249C (en) 1970-04-16 1971-04-16 PROCESS FOR THE EXTRACTION AND PURIFICATION OF ACRYLONITRIL OR METHACRYLONITRIL.

Country Status (10)

Country Link
JP (1) JPS5023017B1 (en)
AT (1) AT315140B (en)
BE (1) BE765842A (en)
CA (1) CA945932A (en)
CH (1) CH523228A (en)
DE (1) DE2117978A1 (en)
FR (1) FR2089698A5 (en)
GB (1) GB1350486A (en)
LU (1) LU62971A1 (en)
NL (1) NL178249C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517300A1 (en) * 1975-04-18 1976-10-28 Standard Oil Co Ohio Recovery and purificn of (meth)acrylonitrile - with recycle of aq. quench stream in ammoxidn process
US4246417A (en) * 1978-05-15 1981-01-20 The Lummus Company Treatment of waste water from nitrile production
US4238295A (en) * 1978-12-04 1980-12-09 Standard Oil Company Energy efficient recovery of acrylonitrile
DE3172080D1 (en) * 1980-12-03 1985-10-03 Asahi Chemical Ind Method for recovering and utilizing waste heat
US4334965A (en) * 1980-12-31 1982-06-15 Standard Oil Company Process for recovery of olefinic nitriles
DE3363585D1 (en) * 1982-06-22 1986-06-26 Asahi Chemical Ind Process for producing methacrylonitrile
US4404064A (en) * 1982-12-30 1983-09-13 Monsanto Company Water extractive distillation of olefinically unsaturated nitriles
JP5246869B2 (en) * 2009-03-24 2013-07-24 旭化成ケミカルズ株式会社 Purification method of acrylonitrile
CN105521616A (en) * 2014-09-29 2016-04-27 英尼奥斯欧洲股份公司 Evaporation system used for process stream

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD58300A (en) *
DE1920083A1 (en) * 1969-04-21 1970-01-29 Lentia Gmbh Continuously separating acrylonitrile and acetonitrile - from propylene/nh3/02 reaction prods

Also Published As

Publication number Publication date
CA945932A (en) 1974-04-23
GB1350486A (en) 1974-04-18
CH523228A (en) 1972-05-31
BE765842A (en) 1971-10-18
NL7105164A (en) 1971-10-19
FR2089698A5 (en) 1972-01-07
AT315140B (en) 1974-05-10
JPS5023017B1 (en) 1975-08-05
LU62971A1 (en) 1972-02-25
DE2117978C2 (en) 1987-10-22
DE2117978A1 (en) 1971-10-28
NL178249C (en) 1986-02-17

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maxim lifetime of a patent