BE816080A - Recuperation d'acrylonitrile ou de methacrylonitrile par condensation - Google Patents

Recuperation d'acrylonitrile ou de methacrylonitrile par condensation

Info

Publication number
BE816080A
BE816080A BE145215A BE145215A BE816080A BE 816080 A BE816080 A BE 816080A BE 145215 A BE145215 A BE 145215A BE 145215 A BE145215 A BE 145215A BE 816080 A BE816080 A BE 816080A
Authority
BE
Belgium
Prior art keywords
methacrylonitrile
acrylonitrile
condensation
recovery
Prior art date
Application number
BE145215A
Other languages
English (en)
French (fr)
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 BE816080A publication Critical patent/BE816080A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE145215A 1973-06-07 1974-06-07 Recuperation d'acrylonitrile ou de methacrylonitrile par condensation BE816080A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/367,840 US4234510A (en) 1973-06-07 1973-06-07 Recovery of acrylonitrile or methacrylonitrile by condensation

Publications (1)

Publication Number Publication Date
BE816080A true BE816080A (fr) 1974-12-09

Family

ID=23448854

Family Applications (1)

Application Number Title Priority Date Filing Date
BE145215A BE816080A (fr) 1973-06-07 1974-06-07 Recuperation d'acrylonitrile ou de methacrylonitrile par condensation

Country Status (22)

Country Link
US (1) US4234510A (cs)
JP (1) JPS5929581B2 (cs)
AR (1) AR199261A1 (cs)
BE (1) BE816080A (cs)
BG (1) BG34183A3 (cs)
BR (1) BR7404644A (cs)
CA (1) CA1049559A (cs)
CS (1) CS175381B2 (cs)
DD (1) DD113351A5 (cs)
DE (1) DE2424897A1 (cs)
EG (1) EG11353A (cs)
ES (1) ES427054A1 (cs)
FR (1) FR2232540B1 (cs)
GB (1) GB1455318A (cs)
IL (1) IL44917A (cs)
IN (1) IN142425B (cs)
IT (1) IT1014707B (cs)
NL (1) NL184616C (cs)
RO (1) RO70377A (cs)
SU (1) SU679132A3 (cs)
TR (1) TR18142A (cs)
ZA (1) ZA743376B (cs)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341535A (en) * 1981-01-02 1982-07-27 The Standard Oil Co. Ammonium sulfate recovery process
US5703268A (en) * 1996-04-08 1997-12-30 The Standard Oil Company Acrylonitrile recovery process
US5629444A (en) * 1996-06-06 1997-05-13 The Standard Oil Company Acrylonitrile recovery process
US5840955A (en) * 1997-11-25 1998-11-24 Sockell; Edward J. Waste minimization and product recovery process
US5959134A (en) 1998-05-20 1999-09-28 The Standard Oil Company Recovery of organics from process flare header
US6296739B1 (en) * 1999-01-08 2001-10-02 The Standard Oil Company Operation of heads column
US6107509A (en) * 1999-03-31 2000-08-22 The Standard Oil Company Process for the recovery of acrylonitrile and methacrylontrile
US6054603A (en) * 1999-04-06 2000-04-25 The Standard Oil Company Acrylonitrile recovery process
DE10037774A1 (de) * 2000-08-03 2002-02-14 Bayer Ag Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch
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
US8585870B2 (en) 2008-03-05 2013-11-19 E I Du Pont De Nemours And Company Process to C-manufacture acrylonitrile and hydrogen cyanide
US20090299087A1 (en) * 2008-05-28 2009-12-03 Solutia, Inc. Process for manufacturing unsaturated mononitriles to improve on-stream time and reduce fouling
CN102010350B (zh) * 2009-09-07 2013-12-18 中国石油化工集团公司 增加丙烯腈或甲基丙烯腈生产能力的方法
CN104888489A (zh) 2014-03-06 2015-09-09 英尼奥斯欧洲股份公司 丙烯腈产物塔液位控制
CN104922926A (zh) 2014-03-21 2015-09-23 英尼奥斯欧洲股份公司 头馏分塔塔顶系统
CN103968689A (zh) 2014-05-26 2014-08-06 英尼奥斯欧洲股份公司 丙烯腈制造中的废水冷却器
CN105597360A (zh) 2014-09-29 2016-05-25 英尼奥斯欧洲股份公司 用于工艺流的蒸发系统
CN112587950A (zh) 2014-09-29 2021-04-02 英尼奥斯欧洲股份公司 用于工艺流的蒸发系统
CN104587684A (zh) 2014-09-30 2015-05-06 英尼奥斯欧洲股份公司 用于工艺流的蒸发系统
CN104667558B (zh) * 2015-02-27 2018-02-13 英尼奥斯欧洲股份公司 轻有机物汽提器塔系统和工艺
CN104693069A (zh) 2015-03-06 2015-06-10 英尼奥斯欧洲股份公司 改进的丙烯腈制造
CN104624401B (zh) 2015-03-06 2019-01-15 英尼奥斯欧洲股份公司 改进的旋风分离器构造
CN113336669A (zh) 2015-03-06 2021-09-03 英尼奥斯欧洲股份公司 改进的丙烯腈制造
US10647663B2 (en) 2015-07-22 2020-05-12 Invista North America S.A.R.L. High purity HCN from acrylonitrile co-production
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
CN107941039B (zh) * 2016-10-12 2020-03-03 英尼奥斯欧洲股份公司 骤冷塔后冷却器
CN112439296A (zh) * 2019-09-05 2021-03-05 中石油吉林化工工程有限公司 丙烯腈装置吸收塔塔底低温循环工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT225689B (de) * 1961-04-08 1963-02-11 Chemie Linz Ag Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril
NL301608A (cs) * 1962-12-19
GB1051190A (cs) * 1962-12-19
FR1352268A (fr) * 1963-01-05 1964-02-14 Electro Chimie Soc D Perfectionnements à la purification des nitriles non saturés
GB1051080A (cs) * 1964-08-14
NL6605077A (cs) * 1965-05-04 1966-11-07
US3636068A (en) * 1969-10-10 1972-01-18 Monsanto Co Purification of acrylonitrile by quenching absorption distillation and recycle to the absorber
US3636067A (en) * 1969-10-10 1972-01-18 Monsanto Co Purification of acrylonitrile by absorption plural distillation andrecycle of bottoms stream to the absorber

Also Published As

Publication number Publication date
IL44917A (en) 1977-10-31
US4234510A (en) 1980-11-18
JPS5035110A (cs) 1975-04-03
BR7404644A (pt) 1976-02-17
BG34183A3 (en) 1983-07-15
IN142425B (cs) 1977-07-09
TR18142A (tr) 1976-10-11
JPS5929581B2 (ja) 1984-07-21
ES427054A1 (es) 1976-07-16
IL44917A0 (en) 1974-07-31
RO70377A (ro) 1980-08-15
GB1455318A (en) 1976-11-10
CS175381B2 (cs) 1977-05-31
AR199261A1 (es) 1974-08-14
NL184616C (nl) 1989-09-18
NL7407438A (cs) 1974-12-10
NL184616B (nl) 1989-04-17
ZA743376B (en) 1975-05-28
DD113351A5 (cs) 1975-06-05
CA1049559A (en) 1979-02-27
SU679132A3 (ru) 1979-08-05
FR2232540A1 (cs) 1975-01-03
FR2232540B1 (cs) 1977-10-07
EG11353A (en) 1977-08-15
IT1014707B (it) 1977-04-30
DE2424897A1 (de) 1975-01-02

Similar Documents

Publication Publication Date Title
BE816080A (fr) Recuperation d'acrylonitrile ou de methacrylonitrile par condensation
FR2322917A1 (fr) Procede ameliore d'aromatisation
CH551385A (fr) Procede d'obtention d'acrylonitrile et/ou de methacrylonitrile.
BE828245A (fr) Perfectionnements apportes a un procede de recuperation et de purification d'acrylonitrile et de methacrylonitrile
BE820660A (fr) Procede de detection d'antigenes ou d'anticorps
IT1017280B (it) Processo per la preparazione di n vinilcarbonamidi secondarie
PT64864B (fr) Concentrateur souple pour la recuperation de polluants.
NO741957L (no) Fremgangsmåte for fremstilling av akrylnitril eller metakrylnitril.
CH534665A (fr) Procédé d'obtention d'acrylonitrile et de méthacrylonitrile
BE770913A (fr) Procede de recuperation d'hydroperoxydes
OA04747A (fr) Composition d'explosif en suspension.
CH554319A (fr) Procede de preparation d'aryl-guanidines ortho-disubstituees.
BE779220A (fr) Preparation de dichlorhydrate de d,d'-(ethylenediimino)-2, 2' dibutanol-1.
BE848177A (nl) Structure d'un siege de vehicule,
FR2335522A1 (fr) Procede de preparation d'androstene-4 diones-3,17
BE816973A (fr) Procede de preparation de l'0,o-diethyldithio-phosphorylmethyl-3 chloro-6 benzoxazolone
BE845934A (fr) Marque d'identification
BE823171A (fr) N,N-dialkylaminocarbamates de dérivés d'hydroxy- pyridine substitués.
BE800599A (fr) Procede de preparation d'amides dimethyl-2,5 furanne- carboxyliques-3
BE822245A (fr) Procede d'encapsulement
BE845327A (fr) Procede de preparation de 4,4'-dihydroxy-3-3'-5-5'-tretralcoyldiphenylalcanes
BE766195A (fr) Procede de preparation d'acrylonitrile
BE819304A (fr) Separation de l'ammoniac par lavage et condensation
IT983431B (it) Procedimento catalitico per la preparazione di metacrilonitrile
BE810629A (fr) Derives de monophosphate d'adenosine cyclique 2-substitues

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE STANDARD OIL CY

Effective date: 19910630