KR20040079413A - 메틸 아세테이트 부산물 스트림으로부터 카르보닐화 아세트산, 무수 아세트산, 또는 이들의 공동생성물의 통합 제조 방법 - Google Patents
메틸 아세테이트 부산물 스트림으로부터 카르보닐화 아세트산, 무수 아세트산, 또는 이들의 공동생성물의 통합 제조 방법 Download PDFInfo
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- KR20040079413A KR20040079413A KR10-2004-7010715A KR20047010715A KR20040079413A KR 20040079413 A KR20040079413 A KR 20040079413A KR 20047010715 A KR20047010715 A KR 20047010715A KR 20040079413 A KR20040079413 A KR 20040079413A
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- Prior art keywords
- methyl acetate
- acetate
- acetic acid
- methanol
- contacting
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
- C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (5)
- 하기의 단계를 포함하는, 메탄올 카르보닐화 공정에서 메틸 아세테이트 스트림을 이용하는 방법:a) 가수분해되는 비닐 아세테이트계 중합체 또는 공중합체를 제조하는 단계;b) 메틸 아세테이트 부산물을 형성하는 단계;c) 메틸 아세테이트를 정제 공정에 이송하는 단계;d) 정제된 메틸 아세테이트를 메탄올 카르보닐화 공정에 이송하는 단계.
- 하기의 단계를 포함하는, 메탄올 카르보닐화 공정에서 메틸 아세테이트 스트림을 이용하는 방법:a) 비닐 알콜의 중합체 또는 공중합체를 제조하고, 이후 가메탄올분해하는 단계;b) 메틸 아세테이트 부산물을 형성하는 단계;c) 메틸 아세테이트를 정제 공정에 이송하는 단계;d) 정제된 메틸 아세테이트를 메탄올 카르보닐화 공정에 이송하는 단계.
- 하기의 단계를 포함하는 메틸 아세테이트를 이용하는 공정:a) 아세트산을 제조하는 단계;b) 비닐 아세테이트를 형성하기에 충분한 조건 하에서 아세트산을 반응물과 접촉시키는 단계;c) 폴리 비닐 아세테이트를 형성하기에 충분한 조건 하에서 비닐 아세테이트를 접촉시키는 단계;d) 폴리 비닐 알콜 및 부산물로서 메틸 아세테이트를 형성하기에 충분한 조건 하에서 폴리 비닐 아세테이트를 염기 및 메탄올과 접촉시키는 단계;e) 일정량 이상의 불순물을 제거하기에 충분하도록 메틸 아세테이트를 처리하는 단계;f) 메틸 아세테이트를 아세트산 제조 공정에 이송하는 단계.
- 하기의 단계를 포함하는 메틸 아세테이트를 이용하는 공정:a) 무수 아세트산을 제조하는 단계;b) 비닐 아세테이트를 형성하기에 충분한 조건 하에서 무수 아세트산을 반응물과 접촉시키는 단계;c) 폴리 비닐 아세테이트를 형성하기에 충분한 조건 하에서 비닐 아세테이트를 접촉시키는 단계;d) 폴리 비닐 알콜 및 부산물로서 메틸 아세테이트를 형성하기에 충분한 조건 하에서 폴리 비닐 아세테이트를 염기 및 메탄올과 접촉시키는 단계;e) 일정량 이상의 불순물을 제거하기에 충분하도록 메틸 아세테이트를 처리하는 단계;f) 메틸 아세테이트를 무수 아세트산 제조 공정에 이송하는 단계.
- 하기의 단계를 포함하는 메틸 아세테이트를 이용하는 공정:a) 아세트산 및 무수 아세트산을 공동생성하는 단계;b) 비닐 아세테이트를 형성하기에 충분한 조건 하에서 아세트산 및 무수 아세트산을 반응물과 접촉시키는 단계;c) 폴리 비닐 아세테이트를 형성하기에 충분한 조건 하에서 비닐 아세테이트를 접촉시키는 단계 ;d) 폴리 비닐 알콜 및 부산물로서 메틸 아세테이트를 형성하기에 충분한 조건 하에서 폴리 비닐 아세테이트를 염기 및 메탄올과 접촉시키는 단계;e) 일정량 이상의 불순물을 제거하기에 충분하도록 메틸 아세테이트를 처리하는 단계;f) 메틸 아세테이트를 아세트산 및 무수 아세트산을 공동생성하는 공정에 이송하는 단계.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34753202P | 2002-01-11 | 2002-01-11 | |
US60/347,532 | 2002-01-11 | ||
US10/324,648 | 2002-12-19 | ||
US10/324,648 US7115772B2 (en) | 2002-01-11 | 2002-12-19 | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
PCT/US2003/000416 WO2003059860A2 (en) | 2002-01-11 | 2003-01-07 | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
Publications (2)
Publication Number | Publication Date |
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KR20040079413A true KR20040079413A (ko) | 2004-09-14 |
KR100958482B1 KR100958482B1 (ko) | 2010-05-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047010715A KR100958482B1 (ko) | 2002-01-11 | 2003-01-07 | 메틸 아세테이트 부산물 스트림으로부터 카르보닐화 아세트산 또는 무수 아세트산을 제조하거나 또는 이들을 동시 제조하기 위한 통합 제조방법 |
Country Status (13)
Country | Link |
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US (5) | US7115772B2 (ko) |
EP (1) | EP1463705B1 (ko) |
JP (2) | JP2005515227A (ko) |
KR (1) | KR100958482B1 (ko) |
CN (1) | CN100344599C (ko) |
AT (1) | ATE397577T1 (ko) |
BR (1) | BR0306691B1 (ko) |
CA (1) | CA2472172C (ko) |
DE (1) | DE60321442D1 (ko) |
ES (1) | ES2307894T3 (ko) |
MX (1) | MXPA04006706A (ko) |
MY (1) | MY129853A (ko) |
WO (1) | WO2003059860A2 (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7115772B2 (en) * | 2002-01-11 | 2006-10-03 | Celanese International Corporation | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
US7989659B2 (en) * | 2007-05-17 | 2011-08-02 | Celanese International Corporation | Method and apparatus for making acetic acid with improved light ends column productivity |
US7390919B1 (en) * | 2007-10-01 | 2008-06-24 | Lyondell Chemical Technology, L.P. | Methyl acetate purification and carbonylation |
US8062482B2 (en) * | 2007-10-30 | 2011-11-22 | Celanese International Corporation | Acetaldehyde removal from methyl acetate by distillation at elevated pressure |
US8309773B2 (en) | 2010-02-02 | 2012-11-13 | Calanese International Corporation | Process for recovering ethanol |
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US8304586B2 (en) | 2010-02-02 | 2012-11-06 | Celanese International Corporation | Process for purifying ethanol |
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US8575403B2 (en) | 2010-05-07 | 2013-11-05 | Celanese International Corporation | Hydrolysis of ethyl acetate in ethanol separation process |
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US8704011B2 (en) | 2010-05-07 | 2014-04-22 | Celanese International Corporation | Separating ethanol and ethyl acetate under low pressure conditions |
US9272970B2 (en) | 2010-07-09 | 2016-03-01 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
US8710280B2 (en) | 2010-07-09 | 2014-04-29 | Celanese International Corporation | Weak acid recovery system for ethanol separation processes |
US8859827B2 (en) | 2011-11-18 | 2014-10-14 | Celanese International Corporation | Esterifying acetic acid to produce ester feed for hydrogenolysis |
WO2012148509A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for producing ethanol using a stacked bed reactor |
US8664454B2 (en) | 2010-07-09 | 2014-03-04 | Celanese International Corporation | Process for production of ethanol using a mixed feed using copper containing catalyst |
US8809597B2 (en) | 2010-07-09 | 2014-08-19 | Celanese International Corporation | Separation of vapor crude alcohol product |
US8846986B2 (en) | 2011-04-26 | 2014-09-30 | Celanese International Corporation | Water separation from crude alcohol product |
US8901358B2 (en) | 2010-07-09 | 2014-12-02 | Celanese International Corporation | Esterification of vapor crude product in the production of alcohols |
US8846988B2 (en) | 2010-07-09 | 2014-09-30 | Celanese International Corporation | Liquid esterification for the production of alcohols |
MX2012013920A (es) | 2010-07-09 | 2012-12-17 | Celanese Int Corp | Reactor de terminacion para la purificacion de etanol. |
US9150474B2 (en) | 2010-07-09 | 2015-10-06 | Celanese International Corporation | Reduction of acid within column through esterification during the production of alcohols |
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US20120010445A1 (en) | 2010-07-09 | 2012-01-12 | Celanese International Corporation | Low Energy Alcohol Recovery Processes |
US8710279B2 (en) | 2010-07-09 | 2014-04-29 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
WO2012018963A2 (en) | 2010-08-06 | 2012-02-09 | Celanese International Corporation | Ethanol/fuel blends for use as motor fuels |
MX2012013925A (es) | 2010-08-06 | 2013-01-24 | Celanese Int Corp | Composiciones de combustible de etanol desnaturalizado para mezclarlas con gasolina o combustible diesel para usarlas como combustibles de motores. |
US8394988B2 (en) | 2010-09-28 | 2013-03-12 | Celanese International Corporation | Production of acetic acid with high conversion rate |
US8877963B2 (en) | 2010-09-28 | 2014-11-04 | Celanese International Corporation | Production of acetic acid with high conversion rate |
US8678715B2 (en) | 2010-11-15 | 2014-03-25 | B&J Rocket America, Inc. | Air cooled spacer for multi-blade abrading wheel |
JP5914358B2 (ja) | 2010-12-15 | 2016-05-11 | 株式会社ダイセル | 酢酸の製造方法 |
US20120253084A1 (en) | 2011-04-01 | 2012-10-04 | Celanese International Corporation | Vent scrubbers for use in production of ethanol |
US8927780B2 (en) | 2011-04-26 | 2015-01-06 | Celanese International Corporation | Process for removing aldehydes from ethanol reaction mixture |
US9024082B2 (en) | 2011-04-26 | 2015-05-05 | Celanese International Corporation | Using a dilute acid stream as an extractive agent |
US8907141B2 (en) | 2011-04-26 | 2014-12-09 | Celanese International Corporation | Process to recover alcohol with secondary reactors for esterification of acid |
US8927788B2 (en) | 2011-04-26 | 2015-01-06 | Celanese International Corporation | Process to recover alcohol with reduced water from overhead of acid column |
US8592635B2 (en) | 2011-04-26 | 2013-11-26 | Celanese International Corporation | Integrated ethanol production by extracting halides from acetic acid |
TW201245127A (en) | 2011-04-26 | 2012-11-16 | Celanese Int Corp | Process to reduce ethanol recycled to hydrogenation reactor |
US8686200B2 (en) | 2011-04-26 | 2014-04-01 | Celanese International Corporation | Process to recover alcohol from an acidic residue stream |
CN103649030B (zh) | 2011-04-26 | 2016-06-15 | 国际人造丝公司 | 在醇的生产过程中通过酯化在塔内减少酸 |
US8748675B2 (en) | 2011-06-16 | 2014-06-10 | Celanese International Corporation | Extractive distillation of crude alcohol product |
WO2012149137A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feed |
US9024085B2 (en) | 2011-04-26 | 2015-05-05 | Celanese International Corporation | Process to reduce ethanol recycled to hydrogenation reactor |
TW201247300A (en) | 2011-04-26 | 2012-12-01 | Celanese Int Corp | Using a dilute acid stream as an extractive agent |
US8927783B2 (en) | 2011-04-26 | 2015-01-06 | Celanese International Corporation | Recovering ethanol with sidestreams to regulate C3+ alcohols concentrations |
WO2012148465A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Recovering ethanol with sidestreams to regulate c3+ alcohols concentrations |
US8927784B2 (en) | 2011-04-26 | 2015-01-06 | Celanese International Corporation | Process to recover alcohol from an ethyl acetate residue stream |
US8884081B2 (en) | 2011-04-26 | 2014-11-11 | Celanese International Corporation | Integrated process for producing acetic acid and alcohol |
US9000233B2 (en) | 2011-04-26 | 2015-04-07 | Celanese International Corporation | Process to recover alcohol with secondary reactors for hydrolysis of acetal |
US20120277482A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Removing Water from an Acetic Acid Stream in the Production of Alcohols |
US8933278B2 (en) | 2011-04-26 | 2015-01-13 | Celanese International Corporation | Process for producing ethanol and reducing acetic acid concentration |
US8927787B2 (en) | 2011-04-26 | 2015-01-06 | Celanese International Corporation | Process for controlling a reboiler during alcohol recovery and reduced ester formation |
US9000232B2 (en) | 2011-04-26 | 2015-04-07 | Celanese International Corporation | Extractive distillation of crude alcohol product |
US8461399B2 (en) | 2011-04-26 | 2013-06-11 | Celanese International Corporation | Separation process having an alcohol sidestream |
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WO2012149140A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Reduced energy alcohol separation process having water removal |
WO2012149199A2 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for producing ethanol and reducing acetic acid concentration |
CN103097326B (zh) | 2011-04-26 | 2015-07-22 | 国际人造丝公司 | 用使酸酯化的次级反应器回收醇的方法 |
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US20130131399A1 (en) | 2011-11-23 | 2013-05-23 | Celanese International Corporation | Catalyst Preparations for High Conversion Catalysts for Producing Ethanol |
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US9051235B2 (en) | 2012-02-07 | 2015-06-09 | Celanese International Corporation | Process for producing ethanol using a molar excess of hydrogen |
US9353034B2 (en) | 2012-02-07 | 2016-05-31 | Celanese International Corporation | Hydrogenation process with reduced residence time for vapor phase reactants |
US9050585B2 (en) | 2012-02-10 | 2015-06-09 | Celanese International Corporation | Chemisorption of ethyl acetate during hydrogenation of acetic acid to ethanol |
US8729311B2 (en) | 2012-02-10 | 2014-05-20 | Celanese International Corporaton | Catalysts for converting acetic acid to acetone |
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US20130225876A1 (en) | 2012-02-29 | 2013-08-29 | Celanese International Corporation | Hydrogenation Catalyst Using Multiple Impregnations of an Active Metal Solution |
US9126194B2 (en) | 2012-02-29 | 2015-09-08 | Celanese International Corporation | Catalyst having support containing tin and process for manufacturing ethanol |
WO2013138227A1 (en) | 2012-03-13 | 2013-09-19 | Celanese International Corporation | Catalyst for producing acrylic acids and acrylates |
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US8927786B2 (en) | 2012-03-13 | 2015-01-06 | Celanese International Corporation | Ethanol manufacturing process over catalyst having improved radial crush strength |
US8802903B2 (en) | 2012-03-13 | 2014-08-12 | Celanese International Corporation | Stacked bed reactor with diluents for producing ethanol |
US8536383B1 (en) | 2012-03-14 | 2013-09-17 | Celanese International Corporation | Rhodium/tin catalysts and processes for producing ethanol |
US20130245131A1 (en) | 2012-03-14 | 2013-09-19 | Celanese International Corporation | Hydrogenation of Mixed Oxygenate Stream to Produce Alcohol |
US20130261349A1 (en) | 2012-03-28 | 2013-10-03 | Celanese International Corporation | Hydrogenation Catalysts and Processes for Making Same |
WO2013191399A1 (ko) * | 2012-06-18 | 2013-12-27 | 삼성비피화학(주) | 초산, 초산비닐 및 폴리비닐알코올의 통합 제조방법 |
KR101413495B1 (ko) * | 2012-06-18 | 2014-08-07 | 삼성비피화학(주) | 초산, 초산비닐 및 폴리비닐알코올의 통합 제조공정에서의 에너지 회수방법 |
CN103570492B (zh) * | 2012-07-26 | 2015-09-09 | 亚申科技研发中心(上海)有限公司 | 一种聚乙烯醇生产过程中副产的醋酸甲酯粗产品加氢制乙醇的工艺和系统 |
US8759576B2 (en) | 2012-09-06 | 2014-06-24 | Celanese International Corporation | Processes for purifying acetic anhydride |
CN104736512B (zh) | 2012-09-06 | 2017-08-25 | 国际人造丝公司 | 用于产生乙酸乙烯酯的方法 |
US20140121410A1 (en) | 2012-10-31 | 2014-05-01 | Celanese International Corporation | Processes for Regenerating Catalyst for Producing Acrylic Acids and Acrylates |
US8729318B1 (en) | 2012-11-20 | 2014-05-20 | Celanese International Corporation | Process for producing ethanol from methyl acetate |
US9000237B2 (en) | 2012-12-20 | 2015-04-07 | Celanese International Corporation | Ethanol refining process using intermediate reboiler |
TWI508942B (zh) * | 2012-12-24 | 2015-11-21 | Chang Chun Petrochemical Co | Process and reaction system for the continuous preparation of acetic acid and / or acetic anhydride |
US8975450B2 (en) | 2013-03-15 | 2015-03-10 | Celanese International Corporation | Ethanol and ethyl acetate production using an acetic acid and acetic anhydride mixed feed |
US9073846B2 (en) | 2013-06-05 | 2015-07-07 | Celanese International Corporation | Integrated process for the production of acrylic acids and acrylates |
US9120743B2 (en) | 2013-06-27 | 2015-09-01 | Celanese International Corporation | Integrated process for the production of acrylic acids and acrylates |
US9150475B2 (en) | 2013-11-08 | 2015-10-06 | Celanese International Corporation | Process for producing ethanol by hydrogenation with carbon monoxide controls |
US20190084912A1 (en) | 2017-09-15 | 2019-03-21 | Celanese International Corporation | Process for producing acrylic acids and acrylates |
CN109721484A (zh) * | 2019-01-21 | 2019-05-07 | 中国石化长城能源化工(宁夏)有限公司 | 一种利用聚乙烯醇副产醋酸甲酯生产醋酸的系统装置及其制备方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US35860A (en) * | 1862-07-08 | Improved lamp-burner | ||
US2671052A (en) * | 1951-11-13 | 1954-03-02 | Celanese Corp | Methyl acetate distillation |
NL7812485A (nl) | 1977-12-30 | 1979-07-03 | Halcon Res & Dev | Werkwijze voor de bereiding van vinylacetaat. |
US4252741A (en) * | 1978-10-06 | 1981-02-24 | Halcon Research & Development Corp. | Carbonylation with Group VIII noble metal catalysts |
JPS567731A (en) * | 1979-06-29 | 1981-01-27 | Denki Kagaku Kogyo Kk | Separation of methyl acetate, methanol, and water |
US4234718A (en) * | 1979-06-29 | 1980-11-18 | Halcon Research And Development Corp. | Process for preparing cellulose acetate |
US4234719A (en) * | 1979-06-29 | 1980-11-18 | Halcon Research And Development Corp. | Preparation of cellulose acetate |
JPS5657735A (en) * | 1979-10-18 | 1981-05-20 | Mitsubishi Gas Chem Co Inc | Preparation of vinyl acetate |
JPS5934164B2 (ja) * | 1980-03-06 | 1984-08-21 | 三菱瓦斯化学株式会社 | エチリデンジアセテ−トの製造法 |
US4352940A (en) * | 1980-04-28 | 1982-10-05 | E. I. Du Pont De Nemours And Company | Hydrolysis of methyl acetate |
EP0055622B1 (en) * | 1980-12-26 | 1985-05-29 | Mitsubishi Gas Chemical Company, Inc. | Process for producing acetic anhydride |
NZ203226A (en) | 1982-02-13 | 1985-08-30 | Bp Chemical Ltd | Production of acetic anhydride from methanol and carbon monoxide |
JPS5953440A (ja) * | 1982-09-17 | 1984-03-28 | Kuraray Co Ltd | 無水酢酸と酢酸の同時的製造法 |
EP0108437B1 (en) | 1982-11-01 | 1986-05-14 | Shell Internationale Researchmaatschappij B.V. | Process for the preparation of ethylidene diacetate and/or acetic acid anhydride |
JPS59152336A (ja) * | 1983-02-16 | 1984-08-31 | Nippon Synthetic Chem Ind Co Ltd:The | 酢酸メチル・メタノ−ル混合液の分離方法 |
JPS6060107A (ja) | 1983-09-13 | 1985-04-06 | Shinetsu Sakusan Vinyl Kk | ポリビニルアルコ−ル系合成樹脂の製造方法 |
US5001259A (en) * | 1984-05-03 | 1991-03-19 | Hoechst Celanese Corporation | Methanol carbonylation process |
US5144068A (en) * | 1984-05-03 | 1992-09-01 | Hoechst Celanese Corporation | Methanol carbonylation process |
US5206434A (en) * | 1990-11-19 | 1993-04-27 | Hoechst Celanese Corporation | Purification process for methyl acetate |
JP3066167B2 (ja) * | 1991-01-18 | 2000-07-17 | 株式会社クラレ | エチレン−ビニルアルコール共重合体の製造方法 |
KR960022419A (ko) * | 1994-12-29 | 1996-07-18 | 김준웅 | 반응증류를 이용하여 메틸아세테이트로부터 초산과 메탄올을 제조하는 방법 및 장치 |
US5831120A (en) * | 1996-11-19 | 1998-11-03 | Watson; Derrick John | Process for the production of acetic acid |
JP4282829B2 (ja) | 1999-06-16 | 2009-06-24 | 株式会社クラレ | カルボン酸及びアルコールの製造方法 |
US7115772B2 (en) * | 2002-01-11 | 2006-10-03 | Celanese International Corporation | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
-
2002
- 2002-12-19 US US10/324,648 patent/US7115772B2/en not_active Expired - Lifetime
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2003
- 2003-01-07 JP JP2003559967A patent/JP2005515227A/ja not_active Withdrawn
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MY129853A (en) | 2007-05-31 |
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WO2003059860A2 (en) | 2003-07-24 |
EP1463705B1 (en) | 2008-06-04 |
CN1612850A (zh) | 2005-05-04 |
US7772422B2 (en) | 2010-08-10 |
BR0306691A (pt) | 2004-12-07 |
KR100958482B1 (ko) | 2010-05-17 |
EP1463705A2 (en) | 2004-10-06 |
CA2472172A1 (en) | 2003-07-24 |
JP2010132667A (ja) | 2010-06-17 |
US7115772B2 (en) | 2006-10-03 |
DE60321442D1 (de) | 2008-07-17 |
US7906680B2 (en) | 2011-03-15 |
US20030135070A1 (en) | 2003-07-17 |
CN100344599C (zh) | 2007-10-24 |
US20080221352A1 (en) | 2008-09-11 |
ATE397577T1 (de) | 2008-06-15 |
US7767849B2 (en) | 2010-08-03 |
US20070191625A1 (en) | 2007-08-16 |
CA2472172C (en) | 2010-03-16 |
US20070197822A1 (en) | 2007-08-23 |
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