AR081505A1 - Procesos para producir acetato de vinilo a partir de acido acetico - Google Patents

Procesos para producir acetato de vinilo a partir de acido acetico

Info

Publication number
AR081505A1
AR081505A1 ARP100100004A ARP100100004A AR081505A1 AR 081505 A1 AR081505 A1 AR 081505A1 AR P100100004 A ARP100100004 A AR P100100004A AR P100100004 A ARP100100004 A AR P100100004A AR 081505 A1 AR081505 A1 AR 081505A1
Authority
AR
Argentina
Prior art keywords
acetic acid
acetaldehyde
vam
vinyl acetate
temperature
Prior art date
Application number
ARP100100004A
Other languages
English (en)
Inventor
James H Zink
Laiyuan Chen
Victor Johnston
Barbara F Kimmich
Josefina T Chapman
Original Assignee
Celanese Int Corp
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 Celanese Int Corp filed Critical Celanese Int Corp
Publication of AR081505A1 publication Critical patent/AR081505A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/28—Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/297—Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
    • 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
    • Y02P20/10—Process efficiency

Landscapes

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

Abstract

Un proceso económico de múltiples pasos, integrado, para la producción de VAM (vinyl acetate monomer, monómero acetato de vinilo) a partir de ácido acético en la fase de vapor. Primero se hidrogena selectivamente ácido acético sobre una composición catalizadora de hidrogenación de manera de formar acetaldehído. El acetaldehído así formado puede convertirse en diacetato de etilideno por medio de reacción con anhídrido acético. En un paso siguiente, se descompone el diacetato de etilideno así formado térmicamente de manera de formar VAM y ácido acético. Como alternativa, puede hacerse reaccionar el acetaldehído formado en el primer paso selectivamente con ceteno de manera de formar VAM. La reacción de ácido acético e hidrógeno sobre platino y hierro soportados sobre sílice produce de manera selectiva acetaldehído en una fase de vapor a una temperatura de 300ºC, el que se hidrogena de manera selectiva sobre catalizador soportado de platino de manera de formar etanol y se deshidrata sobre catalizador NAFION de manera de formar etileno a una temperatura de 185ºC, que se mezcla con oxígeno molecular, ácido acético y se hace reaccionar sobre un catalizador paladio/oro/potasio soportado sobre titania de manera de formar VAM a una temperatura de 150ºC a 170ºC.
ARP100100004A 2008-12-31 2010-01-04 Procesos para producir acetato de vinilo a partir de acido acetico AR081505A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/317,995 US8178715B2 (en) 2008-12-31 2008-12-31 Integrated process for the production of vinyl acetate from acetic acid via acetaldehyde

Publications (1)

Publication Number Publication Date
AR081505A1 true AR081505A1 (es) 2012-10-03

Family

ID=42035716

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP100100004A AR081505A1 (es) 2008-12-31 2010-01-04 Procesos para producir acetato de vinilo a partir de acido acetico

Country Status (11)

Country Link
US (1) US8178715B2 (es)
EP (1) EP2382180A1 (es)
JP (1) JP2012514034A (es)
CN (2) CN102775300B (es)
AR (1) AR081505A1 (es)
BR (1) BRPI0923838A2 (es)
CA (1) CA2748552A1 (es)
CL (1) CL2011001611A1 (es)
SG (1) SG172799A1 (es)
TW (1) TW201031633A (es)
WO (1) WO2010077342A1 (es)

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US8546622B2 (en) 2008-07-31 2013-10-01 Celanese International Corporation Process for making ethanol from acetic acid using acidic catalysts
US7855303B2 (en) 2008-11-14 2010-12-21 Celanese International Corporation Integrated process for the production of vinyl acetate from acetic acid via ethylene
US8178715B2 (en) 2008-12-31 2012-05-15 Celanese International Corporation Integrated process for the production of vinyl acetate from acetic acid via acetaldehyde
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US8680343B2 (en) 2010-02-02 2014-03-25 Celanese International Corporation Process for purifying ethanol
US8754267B2 (en) 2010-05-07 2014-06-17 Celanese International Corporation Process for separating acetaldehyde from ethanol-containing mixtures
US8569551B2 (en) 2010-05-07 2013-10-29 Celanese International Corporation Alcohol production process integrating acetic acid feed stream comprising water from carbonylation process
US8680342B2 (en) 2010-05-07 2014-03-25 Celanese International Corporation Process for recovering alcohol produced by hydrogenating an acetic acid feed stream comprising water
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US8703868B2 (en) * 2011-11-28 2014-04-22 Celanese International Corporation Integrated process for producing polyvinyl alcohol or a copolymer thereof and ethanol
US8907142B2 (en) 2011-12-29 2014-12-09 Celanese International Corporation Process for promoting catalyst activity for ethyl acetate conversion
CN104062370B (zh) * 2014-06-19 2016-01-20 中国天辰工程有限公司 一种以混合气体为载气的气相色谱快速检测方法
CN104162446A (zh) * 2014-08-11 2014-11-26 华东理工大学 用于乙酸加氢制备乙醛的催化剂的制备方法
JP6360801B2 (ja) * 2015-02-19 2018-07-18 株式会社ダイセル 触媒、アルデヒド類及び／又はアルコール類の製造方法
CN107597187B (zh) * 2017-10-11 2020-06-02 万华化学集团股份有限公司 连续生产(甲基)丙烯酸羟基酯和(甲基)丙烯酸二酯的方法及磺酸树脂催化剂
WO2024024750A1 (ja) * 2022-07-25 2024-02-01 三菱ケミカル株式会社 金属担持触媒、アルコールの製造方法及び水素化方法

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Also Published As

Publication number Publication date
CN102775300A (zh) 2012-11-14
EP2382180A1 (en) 2011-11-02
SG172799A1 (en) 2011-08-29
US20100168466A1 (en) 2010-07-01
WO2010077342A1 (en) 2010-07-08
JP2012514034A (ja) 2012-06-21
CL2011001611A1 (es) 2011-09-30
CN102272088B (zh) 2014-10-29
US8178715B2 (en) 2012-05-15
CA2748552A1 (en) 2010-07-08
CN102272088A (zh) 2011-12-07
TW201031633A (en) 2010-09-01
BRPI0923838A2 (pt) 2015-07-21
CN102775300B (zh) 2013-11-06

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