MX171338B - Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo - Google Patents

Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo

Info

Publication number
MX171338B
MX171338B MX202606A MX20260679A MX171338B MX 171338 B MX171338 B MX 171338B MX 202606 A MX202606 A MX 202606A MX 20260679 A MX20260679 A MX 20260679A MX 171338 B MX171338 B MX 171338B
Authority
MX
Mexico
Prior art keywords
acrylonitrile
stream
purification
impurities
recovery
Prior art date
Application number
MX202606A
Other languages
English (en)
Inventor
Paul Scott Odom
Original Assignee
Standard Oil Co Ohio
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25510446&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX171338(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Standard Oil Co Ohio filed Critical Standard Oil Co Ohio
Publication of MX171338B publication Critical patent/MX171338B/es

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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La presente invención se refiere a procedimiento mejorado para la recuperación y purificación de acrilonitrilo a partir de una solución de acrilonitrilo, acetonitrilo, HCN e impurezas que comprenden las etapas de: a) destilar la solución acuosa en una columna de destilación extractiva con agua-solvente para producir una corriente de fondo de acrilonitrilo, agua e impurezas; b) hacer pasar a una columna de separación la corriente de fondo de (a) para producir una segunda corriente de tapa de acetonitrilo y una segunda corriente de fondos de agua e impurezas; c) destilar una corriente de tapa en una o más columnas de destilación para recuperar acetonitrilo, caracterizado el procedimiento porque comprende pasar la segunda corriente de fondo de (b) en una relación de intercambio termico indirecto con una o más columnas de destilación adicionales para proporcionar calor para destilación.
MX202606A 1978-12-04 1979-12-03 Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo MX171338B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/965,758 US4238295A (en) 1978-12-04 1978-12-04 Energy efficient recovery of acrylonitrile

Publications (1)

Publication Number Publication Date
MX171338B true MX171338B (es) 1993-10-19

Family

ID=25510446

Family Applications (2)

Application Number Title Priority Date Filing Date
MX180281A MX152395A (es) 1978-12-04 1979-12-03 Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo
MX202606A MX171338B (es) 1978-12-04 1979-12-03 Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX180281A MX152395A (es) 1978-12-04 1979-12-03 Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo

Country Status (23)

Country Link
US (1) US4238295A (es)
EP (1) EP0012039B1 (es)
JP (1) JPS5581848A (es)
AR (1) AR221914A1 (es)
AT (1) AT372078B (es)
BR (1) BR7907872A (es)
CA (1) CA1180300A (es)
CS (1) CS223829B2 (es)
DD (1) DD147501A5 (es)
DE (1) DE2963128D1 (es)
EG (1) EG14085A (es)
ES (1) ES486537A1 (es)
HU (1) HU184182B (es)
IL (1) IL58693A (es)
IN (1) IN153393B (es)
MX (2) MX152395A (es)
MY (1) MY8400256A (es)
PH (1) PH15609A (es)
PL (1) PL125784B1 (es)
PT (1) PT70492A (es)
RO (1) RO79321A (es)
TR (1) TR20503A (es)
ZA (1) ZA796161B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3172080D1 (en) * 1980-12-03 1985-10-03 Asahi Chemical Ind Method for recovering and utilizing waste heat
JPS5810550A (ja) * 1981-07-09 1983-01-21 Asahi Chem Ind Co Ltd 不飽和ニトリルの製造法
KR850001603B1 (ko) * 1980-12-03 1985-10-24 아사히 가세이 고오교오 가부시기가이샤 불포화 니트릴의 제조법
JPS58124751A (ja) * 1982-01-20 1983-07-25 ザ・スタンダ−ド・オイル・カンパニ− 連続式アセトニトリル回収法
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
US5629444A (en) * 1996-06-06 1997-05-13 The Standard Oil Company Acrylonitrile recovery process
US6084121A (en) * 1999-09-09 2000-07-04 E. I. Du Pont De Nemours And Company Nitrile process
US6355828B1 (en) 2000-11-10 2002-03-12 E. I. Du Pont De Nemours And Company Nitrile process
JP4959158B2 (ja) * 2005-08-05 2012-06-20 旭化成ケミカルズ株式会社 アクリロニトリルの分離回収方法
US8585870B2 (en) * 2008-03-05 2013-11-19 E I Du Pont De Nemours And Company Process to C-manufacture acrylonitrile and hydrogen cyanide
CN104027994B (zh) * 2014-05-30 2017-10-20 英尼奥斯欧洲股份公司 粗乙腈与丙烯腈的分离
CN104107559A (zh) * 2014-06-11 2014-10-22 英尼奥斯欧洲股份公司 丙烯腈回收的乙腈移除步骤中的污染减轻
JP2018521946A (ja) 2015-07-14 2018-08-09 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー シアン化水素からニトリル類を除去するための方法
KR102358406B1 (ko) 2017-07-31 2022-02-03 주식회사 엘지화학 라피네이트-2 의 정제 방법
KR102383958B1 (ko) * 2017-12-28 2022-04-08 주식회사 엘지화학 미반응 단량체를 포함하는 혼합용액으로부터 미반응 단량체의 분리방법
CN109052774A (zh) * 2018-06-21 2018-12-21 天津中昊天久工程技术有限公司 溶剂可循环高效乙腈废水回收系统
CN112439220A (zh) * 2019-09-05 2021-03-05 中石油吉林化工工程有限公司 回收塔塔釜液处理系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328266A (en) * 1967-06-27 Modiano etal separation of acrylonitrile by extractive distillation with water
US3073753A (en) * 1957-10-10 1963-01-15 Distillers Co Yeast Ltd Recovery of acrylonitrile
NL6605077A (es) * 1965-05-04 1966-11-07
US3399120A (en) * 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
CA945932A (en) * 1970-04-16 1974-04-23 Hsin C. Wu Recovery and purification of olefinic nitriles
US3691226A (en) * 1970-11-12 1972-09-12 Du Pont Anti-foulant in acrylonitrile manufacture
US3936360A (en) * 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
US3895050A (en) * 1971-08-02 1975-07-15 Badger Co Disposal of waste materials from unsaturated nitrile

Also Published As

Publication number Publication date
US4238295A (en) 1980-12-09
DD147501A5 (de) 1981-04-08
PL220053A1 (es) 1980-08-25
EP0012039B1 (en) 1982-06-16
DE2963128D1 (en) 1982-08-05
PT70492A (en) 1979-12-01
MX152395A (es) 1985-07-10
CA1180300A (en) 1985-01-02
RO79321B (ro) 1983-01-30
HU184182B (en) 1984-07-30
JPS6320219B2 (es) 1988-04-26
IL58693A0 (en) 1980-02-29
PL125784B1 (en) 1983-06-30
ES486537A1 (es) 1980-09-16
BR7907872A (pt) 1980-09-23
PH15609A (en) 1983-02-28
ZA796161B (en) 1980-11-26
TR20503A (tr) 1981-08-24
EP0012039A3 (en) 1980-06-25
AT372078B (de) 1983-08-25
IN153393B (es) 1984-07-14
MY8400256A (en) 1984-12-31
JPS5581848A (en) 1980-06-20
IL58693A (en) 1983-10-31
ATA768179A (de) 1983-01-15
CS223829B2 (en) 1983-11-25
EP0012039A2 (en) 1980-06-11
EG14085A (en) 1983-03-31
AR221914A1 (es) 1981-03-31
RO79321A (ro) 1983-02-01

Similar Documents

Publication Publication Date Title
MX171338B (es) Procedimiento mejorado para la recuperacion y purificacion de acrilonitrilo
KR910007860A (ko) 비닐 아세테이트 분리법
GB1058379A (en) Improvements in or relating to the purification of acrylonitrile and acetonitrile
KR830008538A (ko) 배열의 회수이용 방법
TR200102759T2 (tr) Akrilonitril ve metakrilonitrilin geri -kazanımı için geliştirilmiş işlem
FR2444652A1 (fr) Procede de separation d'hydrocarbures par adsorption selective
MX165928B (es) Preparacion de acido alcansulfonico anhidro
ES2236874T3 (es) Procedimiento para la purificacion de corrientes acuosas de la produccion de acrilonitrilo.
JPS5625130A (en) Purification of high melting point compound
GB998639A (en) Improvements in or relating to the purification of acrylonitrile by distillation
ES2009732T3 (es) Procedimiento para separar el oxido de etileno de impurezas aldehidicas.
FR2383148A2 (fr) Procede de purification de benzene et de toluene par distillation azeotropique-extractive
FR2835831B1 (fr) Procede de purification de l'acroleine
JPS57165359A (en) Preparation of unsaturated nitrile
GB1247720A (en) Process for purifying liquid hydrocyanic acid
KR830001875A (ko) 아크릴로니트릴의 효율적인 회수방법
SU439296A1 (ru) Способ отделени малых количеств легкокип щих примесей
JPS55143949A (en) Recovery of purified acetonitrile
DE69411263D1 (de) Methode und vorrichtung zum fällen von kristallen aus einer lösung
BR0013967A (pt) Processo para produção e purificação de acrilato de n-butila
JPS55143950A (en) Purification of acetonitrile
FR2606663B1 (fr) Procede de separation extractive d'un acide carboxylique a partir d'une solution aqueuse dudit acide
JPS5653629A (en) Method for separation and purification of hydroquinone
KR860002452A (ko) 글루타민산나트륨분리 모액으로부터 글루타민산나트륨의 회수방법
SU775991A1 (ru) Способ очистки технического хлористого алюминия