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RO80861A - Procedeu de purificare a acrilonitrilului - Google Patents

Procedeu de purificare a acrilonitrilului

Info

Publication number
RO80861A
RO80861A RO80101864A RO10186480A RO80861A RO 80861 A RO80861 A RO 80861A RO 80101864 A RO80101864 A RO 80101864A RO 10186480 A RO10186480 A RO 10186480A RO 80861 A RO80861 A RO 80861A
Authority
RO
Romania
Prior art keywords
acrilonitrile
purification
Prior art date
Application number
RO80101864A
Other languages
English (en)
French (fr)
Inventor
Norris J Landis
Original Assignee
The Standard Oil Co,Us
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 The Standard Oil Co,Us filed Critical The Standard Oil Co,Us
Publication of RO80861A publication Critical patent/RO80861A/ro

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
    • 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
    • C07C255/06—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and unsaturated carbon skeleton
    • C07C255/07—Mononitriles
    • C07C255/08—Acrylonitrile; Methacrylonitrile
    • 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
    • Y10S203/20—Power plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RO80101864A 1979-08-02 1980-08-01 Procedeu de purificare a acrilonitrilului RO80861A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/063,216 US4269667A (en) 1979-08-02 1979-08-02 Acrylonitrile purification by extractive distillation

Publications (1)

Publication Number Publication Date
RO80861A true RO80861A (ro) 1983-02-01

Family

ID=22047739

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80101864A RO80861A (ro) 1979-08-02 1980-08-01 Procedeu de purificare a acrilonitrilului

Country Status (20)

Country Link
US (1) US4269667A (ro)
EP (1) EP0024788B1 (ro)
JP (1) JPS5622756A (ro)
KR (1) KR840001470B1 (ro)
AR (1) AR223382A1 (ro)
AT (1) AT374784B (ro)
BR (1) BR8003733A (ro)
CA (1) CA1134863A (ro)
CS (1) CS228134B2 (ro)
DD (1) DD153205A5 (ro)
DE (1) DE3061997D1 (ro)
ES (1) ES491798A0 (ro)
IL (1) IL59920A (ro)
IN (1) IN154282B (ro)
MX (1) MX155164A (ro)
PH (1) PH15241A (ro)
PT (1) PT71344A (ro)
RO (1) RO80861A (ro)
TR (1) TR20880A (ro)
ZA (1) ZA802623B (ro)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4474709A (en) * 1982-06-28 1984-10-02 E. I. Du Pont De Nemours And Company Removal of oxazole from acetonitrile
DE69736740T2 (de) * 1997-07-18 2007-08-16 INEOS USA LLC, Lisle Verfahren zur Wiedergewinnung von Acrylonitril
KR100587744B1 (ko) * 1997-07-19 2006-10-11 더 스탠다드 오일 캄파니 개선된아크릴로니트릴회수방법
CN1121382C (zh) * 1997-08-06 2003-09-17 标准石油公司 改进的丙烯腈回收方法
US6296739B1 (en) 1999-01-08 2001-10-02 The Standard Oil Company Operation of heads column
US6054603A (en) * 1999-04-06 2000-04-25 The Standard Oil Company Acrylonitrile recovery process
US6843890B1 (en) * 1999-07-23 2005-01-18 The Standard Oil Company Purification and recovery of acetonitrile from waste solvent acetonitrile
US6084121A (en) * 1999-09-09 2000-07-04 E. I. Du Pont De Nemours And Company Nitrile process
JP4750345B2 (ja) * 2000-07-18 2011-08-17 イネオス・ユーエスエイ・エルエルシー 改良されたアセトニトリルの精製及び回収方法
US6355828B1 (en) 2000-11-10 2002-03-12 E. I. Du Pont De Nemours And Company Nitrile process
GB0103046D0 (en) 2001-02-07 2001-03-21 Novartis Ag Organic Compounds
JP2005501119A (ja) * 2001-08-21 2005-01-13 ザ・スタンダード・オイル・カンパニー アクリロニトリル製造におけるヘッドカラムの改良された運転
JP2004217656A (ja) * 2003-01-14 2004-08-05 Solutia Inc アクリロニトリル精製プロセスにおける凝縮させた冷却オーバーヘッドの再循環
TWI762414B (zh) 2021-08-25 2022-04-21 臺灣塑膠工業股份有限公司 碳纖維之製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791550A (en) * 1957-05-07 Resolution of aqueous carbonyl-carbinol mixtures
US2423795A (en) * 1943-01-01 1947-07-08 Standard Oil Dev Co Recovery of hydrocarbons and acetone from admixtures by phase separation and azeotropic distillation
FR1427860A (fr) * 1964-12-24 1966-02-11 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs
US3399120A (en) * 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
US3530043A (en) * 1968-07-04 1970-09-22 Ici Ltd Purification of vinyl or allyl acetate by treatment with alkali metal compounds during distillation and evaporation with purging of concentrate streams
US3660248A (en) * 1969-03-06 1972-05-02 Lummus Co Neutralization and drying of halogenated and alkylated hydrocarbons
US3640852A (en) * 1970-03-23 1972-02-08 Gulf Research Development Co Separation of alkyl bromides from the corresponding carbon number alcohol by distillation with water
US3936360A (en) * 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
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
BE791286A (fr) * 1971-11-17 1973-03-01 Snam Progetti Procede de purification d'acrylonitrile
US3852164A (en) * 1973-03-30 1974-12-03 S Chow Purification of 1,4-butanediol by vacuum distillation with side stream recovery
US4039428A (en) * 1976-01-02 1977-08-02 Monsanto Company Purification of propionic acid
US4166008A (en) * 1977-07-29 1979-08-28 The Standard Oil Company Process for recovery of olefinic nitriles

Also Published As

Publication number Publication date
MX155164A (es) 1988-02-01
IL59920A (en) 1983-09-30
JPH0118891B2 (ro) 1989-04-07
BR8003733A (pt) 1981-04-22
ZA802623B (en) 1981-06-24
DD153205A5 (de) 1981-12-30
AT374784B (de) 1984-05-25
EP0024788A1 (en) 1981-03-11
IN154282B (ro) 1984-10-13
IL59920A0 (en) 1980-06-30
AR223382A1 (es) 1981-08-14
JPS5622756A (en) 1981-03-03
CS228134B2 (en) 1984-05-14
ES8106697A1 (es) 1981-08-01
KR840001470B1 (ko) 1984-09-28
EP0024788B1 (en) 1983-02-16
PH15241A (en) 1982-10-07
DE3061997D1 (en) 1983-03-24
KR830003403A (ko) 1983-06-20
TR20880A (tr) 1982-11-22
ES491798A0 (es) 1981-08-01
ATA369280A (de) 1983-10-15
PT71344A (en) 1980-07-01
CA1134863A (en) 1982-11-02
US4269667A (en) 1981-05-26

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