IT8019561A0 - Procedimento di purificazione dinitrili grezzi olefinicamente insaturi ed apparecchiatura perl'effettuazione di detto procedimento. - Google Patents

Procedimento di purificazione dinitrili grezzi olefinicamente insaturi ed apparecchiatura perl'effettuazione di detto procedimento.

Info

Publication number
IT8019561A0
IT8019561A0 IT8019561A IT1956180A IT8019561A0 IT 8019561 A0 IT8019561 A0 IT 8019561A0 IT 8019561 A IT8019561 A IT 8019561A IT 1956180 A IT1956180 A IT 1956180A IT 8019561 A0 IT8019561 A0 IT 8019561A0
Authority
IT
Italy
Prior art keywords
procedure
dinitriles
purification
carrying
equipment
Prior art date
Application number
IT8019561A
Other languages
English (en)
Other versions
IT1130912B (it
Inventor
Katsuta Issei
Original Assignee
Asahi Chemical Ind
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
Priority claimed from JP1111279A external-priority patent/JPS6021316B2/ja
Priority claimed from JP1111079A external-priority patent/JPS55104245A/ja
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of IT8019561A0 publication Critical patent/IT8019561A0/it
Application granted granted Critical
Publication of IT1130912B publication Critical patent/IT1130912B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0093—Removing and treatment of non condensable gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • 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
    • Y10S203/20—Power plant
IT19561/80A 1979-02-02 1980-01-30 Procedimento di purificazione di nitrili grezzi olefinicamente insaturi ed apparecchiatura per l'effettuazione di detto procedimento IT1130912B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1111279A JPS6021316B2 (ja) 1979-02-02 1979-02-02 不凝縮ガス含有蒸気の凝縮器及びそれを用いた凝縮量の調整方法
JP1111079A JPS55104245A (en) 1979-02-02 1979-02-02 Purification of crude hydrogen cyanide-containing olefinic unsaturated nitrile

Publications (2)

Publication Number Publication Date
IT8019561A0 true IT8019561A0 (it) 1980-01-30
IT1130912B IT1130912B (it) 1986-06-18

Family

ID=26346499

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19561/80A IT1130912B (it) 1979-02-02 1980-01-30 Procedimento di purificazione di nitrili grezzi olefinicamente insaturi ed apparecchiatura per l'effettuazione di detto procedimento

Country Status (4)

Country Link
US (1) US4276125A (it)
DE (1) DE3003332C2 (it)
GB (1) GB2041372B (it)
IT (1) IT1130912B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214738A1 (de) * 1992-05-04 1993-11-11 Bayer Ag Destillationskolonne mit dampfförmiger Seitenstromentnahme
US6117275A (en) * 1996-03-01 2000-09-12 Didda Maria Janina Baumann Process and device for regenerating a contaminated solvent
US6296739B1 (en) 1999-01-08 2001-10-02 The Standard Oil Company Operation of heads column
GB0103046D0 (en) 2001-02-07 2001-03-21 Novartis Ag Organic Compounds
MXPA04001556A (es) * 2001-08-21 2004-05-17 Standard Oil Co Operacion mejorada de columna de domos en produccion de acrilonitrilo.
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
US10337792B2 (en) 2014-05-01 2019-07-02 Praxair Technology, Inc. System and method for production of argon by cryogenic rectification of air
US9291389B2 (en) * 2014-05-01 2016-03-22 Praxair Technology, Inc. System and method for production of argon by cryogenic rectification of air
US10060673B2 (en) 2014-07-02 2018-08-28 Praxair Technology, Inc. Argon condensation system and method
KR101646125B1 (ko) * 2015-02-16 2016-08-12 현대자동차 주식회사 가스 포집 플랜트
CN112441944A (zh) * 2019-09-05 2021-03-05 中石油吉林化工工程有限公司 一种用于制丙烯腈的脱氢氰酸系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112066B (de) * 1952-10-27 1961-08-03 Monsanto Chemicals Verfahren zur Gewinnung von reinem Acrylsaeurenitril durch Reinigen von rohem Acrylsaeurenitril
US3080301A (en) * 1959-02-14 1963-03-05 Sicedison Spa Process for the production of acrylonitrile having a high degree of purity
US3149055A (en) * 1962-08-22 1964-09-15 Standard Oil Co Purification of olefinically unsaturated nitriles
US3507755A (en) * 1967-10-17 1970-04-21 Bayer Ag Process for the purification of acrylonitrile by distillation with side stream withdrawal and decantation
GB1305204A (it) * 1969-03-19 1973-01-31

Also Published As

Publication number Publication date
DE3003332A1 (de) 1980-08-07
US4276125A (en) 1981-06-30
IT1130912B (it) 1986-06-18
DE3003332C2 (de) 1985-04-11
GB2041372B (en) 1983-04-13
GB2041372A (en) 1980-09-10

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