JPH04505327A - 超高純度酢酸メチルの製造 - Google Patents
超高純度酢酸メチルの製造Info
- Publication number
- JPH04505327A JPH04505327A JP2508276A JP50827690A JPH04505327A JP H04505327 A JPH04505327 A JP H04505327A JP 2508276 A JP2508276 A JP 2508276A JP 50827690 A JP50827690 A JP 50827690A JP H04505327 A JPH04505327 A JP H04505327A
- Authority
- JP
- Japan
- Prior art keywords
- acetic acid
- methyl acetate
- acid
- column
- amount
- 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
Links
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 title claims description 30
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 81
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 54
- 229960000583 acetic acid Drugs 0.000 claims description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 238000000066 reactive distillation Methods 0.000 claims description 18
- 239000003377 acid catalyst Substances 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000000895 extractive distillation Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000000052 vinegar Substances 0.000 claims description 5
- 235000021419 vinegar Nutrition 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims 2
- REEVUBVBEQNVEP-UHFFFAOYSA-N acetic acid;methyl acetate Chemical compound CC(O)=O.COC(C)=O REEVUBVBEQNVEP-UHFFFAOYSA-N 0.000 claims 1
- 238000004821 distillation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- 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
-
- 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
- Y10S203/06—Reactor-distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (4)
- 1.酢酸が反応体及び抽出剤の両者として作用するメタノール及び氷酢酸から酢 酸メチルを製造する方法において、(a)抽出蒸留部及び酢酸メチル酢酸精留部 を有するカラム内で酢酸を反応体及び抽出剤の両者として使用できるようにする のに充分な均質接触を提供する単一の反応蒸留カラムの設計を選択し、 (b)該カラム内で酢酸を反応体及び抽出剤の両者として使用できるようにする のに充分な均質接触を提供する単一の反応蒸留カラムの滞留時間を選択し、 (c)単一の反応蒸留カラム中における、酢酸とメタノールとの間、酢酸と酢酸 メチル/水共沸混合物との間及び酢酸と酢酸メチル/メタノール共沸混合物の間 の均質接触を提供するように触媒量の酸性触媒の存在下において概ね理論量の酢 酸及びメタノールを該カラムに向流に流し、カラム内の滞留時間を、高反応体転 化率を達成し且つ酢酸メチルを得るのに充分なものとし、そして (d)単一カラムの上部から酢酸メチルを連続的に抜出し且つカラムの底部から 水を連続的に除去する工程を含んでなり、単一の反応蒸留カラムの抽出蒸留部と 酢酸メチル/酢酸精留部との間に無水酢酸及び塩を含まない酸触媒を導入する追 加の工程によって超高純度酢酸メチルを製造することを含んでなる改良を含む方 法。
- 2.前記酸触媒が硫酸、p−トルエンスルホン酸または燐酸からなる群から選ば れる請求の範囲第1項の方法。
- 3.前記酸触媒の量が、反応蒸留カラムに供給される酢酸及び無水酢酸の合計量 1ポンド当り触媒0.05〜0.5ポンドの範囲にある請求の範囲第1項の方法 。
- 4.無水酢酸の量が反応蒸留カラムに供給される酢酸の量の1〜10重量%の範 囲にある請求の範囲第1項の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/354,578 US4939294A (en) | 1989-05-22 | 1989-05-22 | Preparation of ultra high purity methyl acetate |
US354,578 | 1989-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04505327A true JPH04505327A (ja) | 1992-09-17 |
JP2922296B2 JP2922296B2 (ja) | 1999-07-19 |
Family
ID=23393983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2508276A Expired - Fee Related JP2922296B2 (ja) | 1989-05-22 | 1990-05-22 | 超高純度酢酸メチルの製造 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4939294A (ja) |
EP (2) | EP0473688B1 (ja) |
JP (1) | JP2922296B2 (ja) |
AT (1) | ATE101591T1 (ja) |
CA (1) | CA2051619C (ja) |
DE (1) | DE69006732T2 (ja) |
DK (1) | DK0473688T3 (ja) |
ES (1) | ES2062534T3 (ja) |
WO (1) | WO1990014328A1 (ja) |
ZA (1) | ZA903959B (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5686630A (en) * | 1993-09-29 | 1997-11-11 | Chronopol, Inc. | Purifying cyclic esters by aqueous solvent extraction |
US5675021A (en) * | 1992-03-19 | 1997-10-07 | Chronopol, Inc. | Method to produce and purify cyclic esters |
US5420304A (en) * | 1992-03-19 | 1995-05-30 | Biopak Technology, Ltd. | Method to produce cyclic esters |
US5831120A (en) * | 1996-11-19 | 1998-11-03 | Watson; Derrick John | Process for the production of acetic acid |
BE1014031A3 (fr) * | 1997-07-04 | 2003-03-04 | Basf Ag | La preparation d'esters. |
US5902894A (en) * | 1998-08-26 | 1999-05-11 | Catalytic Distillation Technologies | Process for making dialkyl carbonates |
ES2400285T3 (es) * | 1999-03-11 | 2013-04-08 | Zeachem, Inc. | Proceso para producir etanol |
US7074603B2 (en) * | 1999-03-11 | 2006-07-11 | Zeachem, Inc. | Process for producing ethanol from corn dry milling |
US7135597B2 (en) * | 2002-10-11 | 2006-11-14 | Akzo Nobel N.V. | Process for the preparation of monochloroacetic acid |
MX279852B (es) * | 2004-01-29 | 2010-10-08 | Zeachem Inc | Recuperacion de acidos organicos. |
DE102004056673A1 (de) * | 2004-11-24 | 2006-06-01 | Basf Ag | Verfahren zur simultanen Reaktiv- und Extraktivdestillation für die Herstellung von Borsäureestern |
MX2009008496A (es) * | 2007-02-09 | 2009-08-20 | Zeachem Inc | Metodos de energia eficiente para producir productos. |
AU2009212131A1 (en) * | 2008-02-07 | 2009-08-13 | Zeachem Inc. | Indirect production of butanol and hexanol |
CN101560151B (zh) * | 2009-05-22 | 2012-10-17 | 南京大学 | 一种以离子液体为催化剂的反应精馏生产醋酸甲酯的工艺 |
WO2012164573A2 (en) | 2011-05-27 | 2012-12-06 | Reliance Industries Ltd., | Hydrolysis and esterification with acid catalysts |
US8785697B2 (en) | 2011-06-24 | 2014-07-22 | Eastman Chemical Company | Nickel modified catalyst for the production of hydroxy ether hydrocarbons by vapor phase hydrogenolysis of cyclic acetals and ketals |
US9388105B2 (en) | 2011-06-24 | 2016-07-12 | Eastman Chemical Company | Production of hydroxy ether hydrocarbons by liquid phase hydrogenolysis of cyclic acetals or cyclic ketals |
US8829206B2 (en) | 2011-06-24 | 2014-09-09 | Eastman Chemical Company | Production of cyclic acetals or ketals using solid acid catalysts |
US8969598B2 (en) | 2011-06-24 | 2015-03-03 | Eastman Chemical Company | Production of cyclic acetals or ketals using liquid-phase acid catalysts |
US9056313B2 (en) | 2011-06-24 | 2015-06-16 | Eastman Chemical Company | Catalysts for the production of hydroxy ether hydrocarbons by vapor phase hydrogenolysis of cyclic acetals and ketals |
US8829207B2 (en) | 2011-06-24 | 2014-09-09 | Eastman Chemical Company | Production of cyclic acetals by reactive distillation |
US9000229B2 (en) | 2011-06-24 | 2015-04-07 | Eastman Chemical Company | Production of hydroxy ether hydrocarbons by vapor phase hydrogenolysis of cyclic acetals and ketals |
CN102295557A (zh) * | 2011-07-06 | 2011-12-28 | 福州大学 | 一种pva生产中副产物醋酸甲酯的精制方法 |
WO2013121018A1 (en) | 2012-02-17 | 2013-08-22 | Lonza Ltd | Synthesis of cyanocarboxylic acid alkyl esters |
WO2013121017A1 (en) | 2012-02-17 | 2013-08-22 | Lonza Ltd | Process and equipment for the preparation of halocarboxylic acid alkyl esters |
US9415366B2 (en) | 2012-12-31 | 2016-08-16 | Eastman Chemical Company | Systems and methods for processing variable acetyl streams |
CN107954866A (zh) * | 2017-12-13 | 2018-04-24 | 中国石油大学(华东) | 差压热耦合反应精馏合成乙酸异丙酯的方法及其装置 |
CN113493380B (zh) * | 2020-04-01 | 2024-09-13 | 丹东明珠特种树脂有限公司 | 醋酸甲酯制备方法 |
CN116444367B (zh) * | 2023-03-15 | 2023-10-20 | 珠海谦信新材料有限公司 | 一种反应精馏生产高纯度醋酸甲酯的工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2155625A (en) * | 1935-12-24 | 1939-04-25 | Degussa | Production of organic esters |
US3927077A (en) * | 1972-07-24 | 1975-12-16 | Gen Electric | Anhydrides to improve oxidative coupling reactions |
JPS55130937A (en) * | 1979-03-29 | 1980-10-11 | Sekisui Chem Co Ltd | Preparation of ester |
US4435595A (en) * | 1982-04-26 | 1984-03-06 | Eastman Kodak Company | Reactive distillation process for the production of methyl acetate |
US4526725A (en) * | 1983-04-07 | 1985-07-02 | Deardorff Don L | Catalyst composition and method for the manufacture of esters |
US4597834A (en) * | 1983-04-14 | 1986-07-01 | Lloyd Berg | Separation of methyl acetate from methanol by extractive distillation |
DE3337101A1 (de) * | 1983-10-12 | 1985-05-02 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur veresterung von essigsaeure mit alkoholen, deren essigsaeureester hoeher sieden als essigsaeure |
US4497967A (en) * | 1984-06-15 | 1985-02-05 | The Halcon Sd Group, Inc. | Process for the preparation of ethanol from methanol, carbon monoxide _and hydrogen |
-
1989
- 1989-05-22 US US07/354,578 patent/US4939294A/en not_active Expired - Fee Related
-
1990
- 1990-05-22 JP JP2508276A patent/JP2922296B2/ja not_active Expired - Fee Related
- 1990-05-22 DE DE69006732T patent/DE69006732T2/de not_active Expired - Lifetime
- 1990-05-22 AT AT90908761T patent/ATE101591T1/de not_active IP Right Cessation
- 1990-05-22 ES ES90908761T patent/ES2062534T3/es not_active Expired - Lifetime
- 1990-05-22 ZA ZA903959A patent/ZA903959B/xx unknown
- 1990-05-22 EP EP90908761A patent/EP0473688B1/en not_active Expired - Lifetime
- 1990-05-22 CA CA002051619A patent/CA2051619C/en not_active Expired - Lifetime
- 1990-05-22 DK DK90908761.1T patent/DK0473688T3/da active
- 1990-05-22 EP EP90420247A patent/EP0399929A1/en active Pending
- 1990-05-22 WO PCT/US1990/002843 patent/WO1990014328A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69006732D1 (de) | 1994-03-24 |
CA2051619A1 (en) | 1990-11-23 |
EP0399929A1 (en) | 1990-11-28 |
DK0473688T3 (da) | 1994-03-14 |
ZA903959B (en) | 1991-05-29 |
WO1990014328A1 (en) | 1990-11-29 |
CA2051619C (en) | 1997-04-01 |
JP2922296B2 (ja) | 1999-07-19 |
DE69006732T2 (de) | 1994-09-08 |
ATE101591T1 (de) | 1994-03-15 |
EP0473688A1 (en) | 1992-03-11 |
EP0473688B1 (en) | 1994-02-16 |
ES2062534T3 (es) | 1994-12-16 |
US4939294A (en) | 1990-07-03 |
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