FR2332977A1 - Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile - Google Patents

Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile

Info

Publication number
FR2332977A1
FR2332977A1 FR7536192A FR7536192A FR2332977A1 FR 2332977 A1 FR2332977 A1 FR 2332977A1 FR 7536192 A FR7536192 A FR 7536192A FR 7536192 A FR7536192 A FR 7536192A FR 2332977 A1 FR2332977 A1 FR 2332977A1
Authority
FR
France
Prior art keywords
quench
acrylonitrile
effluent
recovery
liq
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7536192A
Other languages
English (en)
French (fr)
Other versions
FR2332977B1 (enrdf_load_stackoverflow
Inventor
Hsin Chih Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 filed Critical Standard Oil Co
Priority to FR7536192A priority Critical patent/FR2332977A1/fr
Publication of FR2332977A1 publication Critical patent/FR2332977A1/fr
Application granted granted Critical
Publication of FR2332977B1 publication Critical patent/FR2332977B1/fr
Granted legal-status Critical Current

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)
FR7536192A 1975-11-26 1975-11-26 Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile Granted FR2332977A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536192A FR2332977A1 (fr) 1975-11-26 1975-11-26 Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536192A FR2332977A1 (fr) 1975-11-26 1975-11-26 Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile

Publications (2)

Publication Number Publication Date
FR2332977A1 true FR2332977A1 (fr) 1977-06-24
FR2332977B1 FR2332977B1 (enrdf_load_stackoverflow) 1980-09-12

Family

ID=9162941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536192A Granted FR2332977A1 (fr) 1975-11-26 1975-11-26 Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile

Country Status (1)

Country Link
FR (1) FR2332977A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2332977B1 (enrdf_load_stackoverflow) 1980-09-12

Similar Documents

Publication Publication Date Title
US3936360A (en) Process for distillation and recovery of olefinic nitriles
GB1127359A (en) Purification of nitriles by extractive distillation
RU2247718C2 (ru) Способ получения ненасыщенного мононитрила (варианты)
JP2007297399A (ja) 改善されたアクリロニトリルの回収プロセス
US4238295A (en) Energy efficient recovery of acrylonitrile
ES472882A1 (es) Procedimiento para la recuperacion y purificacion de acrilo-nitrilo o metacrilonitrilo
US20050187401A1 (en) Process for the purification of olefinically unsaturated nitriles
RU2210566C2 (ru) Способ выделения олефинненасыщенных нитрилов
US3185636A (en) Removal of saturated carbonyls from acrylonitrile
US6860971B2 (en) Process for recovery of olefinically unsaturated nitriles
US3636068A (en) Purification of acrylonitrile by quenching absorption distillation and recycle to the absorber
IT1050308B (it) Processo per il recupero e la purificazione di acrilonitrile e metacrilonitrile
NL7513821A (en) (Meth)acrylonitrile recovery and purificn from ammoxidn effluent - with recycle of prod column bottoms to form quench liq in quench system
FR2332977A1 (fr) Procede ameliore de recuperation et de purification d'acrylonitrile et de methacrylonitrile
ATE400549T1 (de) Methode zur inhibierung von polymerisation während der rückgewinnung und reinigung von ungesättigten mononitrilen
GB1492128A (en) Process for recovery and purification of olefinic nitrile
US3661723A (en) Process for recovering of acrylonitrile and hydrocyanic acid by addition of acetonitrile to the aqueous acid neutralized effluent
GB1495050A (en) Acrylonitrile and methacrylonitrile recovery and purification system
IT1037238B (it) Sistema di ricupero e purificazione di acrilonitrile e metacrilonitrile
FR2307798A1 (fr) Perfectionnements apportes a un procede de recuperation et de purification d'acrylonitrile et de methacrylonitrile
NL7504184A (en) Recovery and purificn of (meth)acrylonitrile - with recycle of aq. quench stream in ammoxidn process
ES442836A1 (es) Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo o metacrilonitrilo.
GB1365268A (en) Disposal of waste material from unsaturated nitrile plant
USRE26401E (en) Removal of saturated carbonyls from unsaturated nitriles by ph-controlled distillation
JPS55115858A (en) Recovery and purification of unsaturated nitrile

Legal Events

Date Code Title Description
ST Notification of lapse