NL6516396A - - Google Patents

Info

Publication number
NL6516396A
NL6516396A NL6516396A NL6516396A NL6516396A NL 6516396 A NL6516396 A NL 6516396A NL 6516396 A NL6516396 A NL 6516396A NL 6516396 A NL6516396 A NL 6516396A NL 6516396 A NL6516396 A NL 6516396A
Authority
NL
Netherlands
Application number
NL6516396A
Other versions
NL150433B (nl
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 filed Critical
Publication of NL6516396A publication Critical patent/NL6516396A/xx
Publication of NL150433B publication Critical patent/NL150433B/xx

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/03—Acrylonitrile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/09—Plural feed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL656516396A 1964-12-24 1965-12-16 Werkwijze voor het scheiden van een in hoofdzaak uit acrylzuurnitril en azijnzuurnitril bestaand vloeistofmengsel, dat een weinig water en bovendien organische onzuiverheden bevat. NL150433B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999856A FR1427860A (fr) 1964-12-24 1964-12-24 Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs

Publications (2)

Publication Number Publication Date
NL6516396A true NL6516396A (de) 1966-06-27
NL150433B NL150433B (nl) 1976-08-16

Family

ID=8845490

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656516396A NL150433B (nl) 1964-12-24 1965-12-16 Werkwijze voor het scheiden van een in hoofdzaak uit acrylzuurnitril en azijnzuurnitril bestaand vloeistofmengsel, dat een weinig water en bovendien organische onzuiverheden bevat.

Country Status (6)

Country Link
US (1) US3445347A (de)
AT (1) AT269099B (de)
BE (1) BE674228A (de)
FR (1) FR1427860A (de)
GB (1) GB1058379A (de)
NL (1) NL150433B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915153B1 (de) * 1969-06-06 1974-04-12
FR2045610A1 (de) * 1969-06-09 1971-03-05 Ugine Kuhlmann
US4059492A (en) * 1970-10-15 1977-11-22 Erdolchemie Gmbh Process for the purification of waste from acrylonitrile production
US4331513A (en) * 1971-03-22 1982-05-25 Deuterium Corporation Apparatus for purifying a vaporizable liquid
US4714525A (en) * 1971-03-22 1987-12-22 Deuterium Corporation Process for separating high purity water
US3862890A (en) * 1971-09-03 1975-01-28 Robert D Presson Fractional distillation using a vapor side stream to control hcn concentration in purificatin of crude nitriles
US4166008A (en) * 1977-07-29 1979-08-28 The Standard Oil Company Process for recovery of olefinic nitriles
JPS55104244A (en) * 1979-02-02 1980-08-09 Asahi Chem Ind Co Ltd Separation and incineration of crude olefinic unsaturated acetonitrile
US4308108A (en) * 1979-03-28 1981-12-29 Asahi Kasei Kogyo Kabushiki Kaisha Process for purification of crude acetonitrile
US4269667A (en) * 1979-08-02 1981-05-26 Standard Oil Company Acrylonitrile purification by extractive distillation
US4283254A (en) * 1980-04-03 1981-08-11 E. I. Du Pont De Nemours And Company Methylamines purification by distillation and purge
JPS58225048A (ja) * 1982-06-22 1983-12-27 Asahi Chem Ind Co Ltd メタクリロニトリルの製造法
US4404064A (en) * 1982-12-30 1983-09-13 Monsanto Company Water extractive distillation of olefinically unsaturated nitriles
DE3416519A1 (de) * 1983-05-20 1984-11-22 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur zerlegung eines gasgemisches
JP2002518353A (ja) * 1998-06-15 2002-06-25 ソリユテイア・インコーポレイテツド オレフィン系不飽和ニトリルの回収方法
US6843890B1 (en) * 1999-07-23 2005-01-18 The Standard Oil Company Purification and recovery of acetonitrile from waste solvent acetonitrile
US8608912B2 (en) * 2010-09-29 2013-12-17 Uop Llc Methods and extraction units employing vapor draw compositional analysis
CN103804230A (zh) * 2014-01-29 2014-05-21 中国石油集团东北炼化工程有限公司吉林设计院 降低丙烯腈中甲基丙烯腈含量的方法、丙烯腈生产系统
CN106892843A (zh) * 2015-12-17 2017-06-27 英尼奥斯欧洲股份公司 回收塔控制
CN106892842A (zh) * 2015-12-17 2017-06-27 英尼奥斯欧洲股份公司 回收塔
CN106892838A (zh) * 2015-12-17 2017-06-27 英尼奥斯欧洲股份公司 回收塔控制
WO2020163400A1 (en) 2019-02-07 2020-08-13 Dow Global Technologies Llc Monomer recovery process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681306A (en) * 1952-02-06 1954-06-15 Du Pont Purification of acrylonitrile by extractive distillation
US2807573A (en) * 1954-04-28 1957-09-24 Escambia Chem Corp Purification of acrylonitrile by extractive distillation
US2806816A (en) * 1955-09-15 1957-09-17 Exxon Research Engineering Co Process for improving alcohol quality
IT668315A (de) * 1961-05-27
US3196085A (en) * 1962-02-12 1965-07-20 Du Pont Process for purifying acrylonitrile
US3149055A (en) * 1962-08-22 1964-09-15 Standard Oil Co Purification of olefinically unsaturated nitriles

Also Published As

Publication number Publication date
GB1058379A (en) 1967-02-08
US3445347A (en) 1969-05-20
FR1427860A (fr) 1966-02-11
AT269099B (de) 1969-03-10
DE1493121A1 (de) 1969-04-10
DE1493121B2 (de) 1975-11-27
BE674228A (de) 1966-04-15
NL150433B (nl) 1976-08-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: ELECTRO CHIMIE