KR930702267A - 방향족 카복실산의 연속생산 - Google Patents
방향족 카복실산의 연속생산Info
- Publication number
- KR930702267A KR930702267A KR1019930701603A KR930701603A KR930702267A KR 930702267 A KR930702267 A KR 930702267A KR 1019930701603 A KR1019930701603 A KR 1019930701603A KR 930701603 A KR930701603 A KR 930701603A KR 930702267 A KR930702267 A KR 930702267A
- Authority
- KR
- South Korea
- Prior art keywords
- reactor
- reaction medium
- acid reaction
- aqueous
- acetic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (4)
- 산화촉매들 및 수성 C2~6지방족 모노카복실산 반응매질 존재하에서 (1)알킬방향족 화합물, 용해되어 있는 산화촉매를 함유한 수성의 모노카복실산 반응매질 및 공기를 반응기에 연속적으로 공급하는 단계; (2)반응기 하단부에서 방향족 카복실산, 및 용해되어 있는 산화촉매를 함유한 수성의 모노카복실산 반응매질로 이루어지는 산화제 생성물을 연속적으로 제거시키는 단계; (3)반응기 상단부에서 산소고갈 가스 및 기화된 수성의 모노카복산 반응매질을 연속적으로 제거시키는 단계 (4)단계 (3)의 스트림에서 수성의 모노카복실산 반응매질을 응축시키는 단계; 및 (5)반응기의 가스/액체 내용물들의 탑 및 단계(3)의 스트림이 제거되는 반응기내 포인트간의 분사형태로 단계(4)에서 얻어진 응축된 수성의 모노카복실산 반응매질의 최소한 일부를 되돌려보내는 단계로 이루어지는, 가압산화 반응기내에서 산소함유 가스와 알킬방향족 화합물을 액상형태로 발열산화시켜 방향족 카복실산을 연속 생산하는 방법.
- 제1항에 있어서, 방향족 카복실산이 벤젠디카복실산이고, 알킬방향족 화합물이 크릴렌, 및 모노카복실산이 아세트산인 방법.
- 산화촉매들 및 수성아세트산 반응매질의 존재하에서 (1)p-크실렌, 용해되어 있는 산화촉매를 함유한 수성의 아세트산 반응매질 및 공기를 반응기에 연속적으로 공급하는 단계, (2)반응기 하단부에서 p-크실렌 및 용해되어 있는 산화촉매를 함유산 수성의 아세트산 반응매질로 이루어지는 산화제 생성물을 연속적으로 제거시키는 단계, (3)반응기 상단부에서 산소고갈 가스 및 기화된 수성의 아세트산 반응매질을 연속적으로 제거시키는 단계, (4)단계 (3)의 스트림에서 수성의 아세트산 반응매질을 응축시키는 단계, 및 (5)반응기의 가스/액체 내용물들의 탑, 및 단계(3)의 스트림이 제거되는 반응기내 포인트간의 분사형태로 단계(4)에서 얻어진 응축된 수성의 아세트산 반응매질의 10내지 100%를 되돌려보내는 단계로 이루어지는, 가압산화 반응기내에서 산소 함유 가스와 p-크실렌을 액상형태로 발열산화시켜 방향족 카복실산을 연속생산하는 방법.
- ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/619,568 US5087741A (en) | 1990-11-29 | 1990-11-29 | Continuous production of aromatic carboxylic acids |
US619568 | 1990-11-29 | ||
PCT/US1991/008643 WO1992009551A1 (en) | 1990-11-29 | 1991-11-21 | Continuous production of aromatic carboxylic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
KR930702267A true KR930702267A (ko) | 1993-09-08 |
Family
ID=24482439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930701603A KR930702267A (ko) | 1990-11-29 | 1991-11-21 | 방향족 카복실산의 연속생산 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5087741A (ko) |
EP (1) | EP0639174B1 (ko) |
JP (1) | JP3099960B2 (ko) |
KR (1) | KR930702267A (ko) |
CN (1) | CN1030447C (ko) |
AT (1) | ATE140444T1 (ko) |
CA (1) | CA2095111C (ko) |
DE (1) | DE69120973T2 (ko) |
DK (1) | DK0639174T3 (ko) |
ES (1) | ES2090595T3 (ko) |
GR (1) | GR3021290T3 (ko) |
MY (1) | MY106765A (ko) |
WO (1) | WO1992009551A1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5429288A (en) * | 1991-12-12 | 1995-07-04 | Sattler; Warren A. | Supplemental carry strap |
US5510521A (en) * | 1995-03-27 | 1996-04-23 | Eastman Chemical Company | Process for the production of aromatic carboxylic acids |
US5693856A (en) | 1996-01-16 | 1997-12-02 | The Boc Group, Inc. | Production of terephthalic acid |
US6657067B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Method for the manufacture of chlorophthalic anhydride |
US6649773B2 (en) | 2002-03-22 | 2003-11-18 | General Electric Company | Method for the manufacture of halophthalic acids and anhydrides |
US6657068B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Liquid phase oxidation of halogenated ortho-xylenes |
US20060004223A1 (en) * | 2004-06-30 | 2006-01-05 | General Electric Company | Method of making halophthalic acids and halophthalic anhydrides |
US7541489B2 (en) * | 2004-06-30 | 2009-06-02 | Sabic Innovative Plastics Ip B.V. | Method of making halophthalic acids and halophthalic anhydrides |
DE102004036722A1 (de) * | 2004-07-29 | 2006-03-23 | Consortium für elektrochemische Industrie GmbH | Verfahren zur Herstellung von Phosphonato-Silanen |
US8115029B2 (en) * | 2006-11-02 | 2012-02-14 | University Of Kansas | Cobalt-catalyzed oxidations in volumetrically expanded liquids by compressed gases |
CN101362687B (zh) * | 2008-10-08 | 2012-04-11 | 湖南大学 | 空气氧化对二甲苯制备对苯二甲酸的方法和设备 |
MY165153A (en) * | 2009-03-23 | 2018-02-28 | Univ Kansas | Spray process for selective oxidation |
CN102574094A (zh) * | 2009-10-02 | 2012-07-11 | 英威达技术有限公司 | 减少夹带的系统和方法 |
US9868902B2 (en) | 2014-07-17 | 2018-01-16 | Soulbrain Co., Ltd. | Composition for etching |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1373230A (en) * | 1971-12-23 | 1974-11-06 | Mitsui Petrochemical Ind | Process for producing terephthalic acid |
JPS5949212B2 (ja) * | 1976-09-16 | 1984-12-01 | 三菱化学株式会社 | テレフタル酸の製造法 |
US4777287A (en) * | 1984-10-29 | 1988-10-11 | Amoco Corporation | Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic |
-
1990
- 1990-11-29 US US07/619,568 patent/US5087741A/en not_active Expired - Lifetime
-
1991
- 1991-11-21 AT AT92901146T patent/ATE140444T1/de not_active IP Right Cessation
- 1991-11-21 CA CA002095111A patent/CA2095111C/en not_active Expired - Fee Related
- 1991-11-21 ES ES92901146T patent/ES2090595T3/es not_active Expired - Lifetime
- 1991-11-21 DK DK92901146.8T patent/DK0639174T3/da active
- 1991-11-21 DE DE69120973T patent/DE69120973T2/de not_active Expired - Lifetime
- 1991-11-21 JP JP04501323A patent/JP3099960B2/ja not_active Expired - Fee Related
- 1991-11-21 WO PCT/US1991/008643 patent/WO1992009551A1/en active IP Right Grant
- 1991-11-21 KR KR1019930701603A patent/KR930702267A/ko active IP Right Grant
- 1991-11-21 EP EP92901146A patent/EP0639174B1/en not_active Expired - Lifetime
- 1991-11-22 MY MYPI91002160A patent/MY106765A/en unknown
- 1991-11-29 CN CN91111203A patent/CN1030447C/zh not_active Expired - Fee Related
-
1996
- 1996-10-09 GR GR960402661T patent/GR3021290T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ATE140444T1 (de) | 1996-08-15 |
MY106765A (en) | 1995-07-31 |
DK0639174T3 (da) | 1996-08-12 |
JP3099960B2 (ja) | 2000-10-16 |
WO1992009551A1 (en) | 1992-06-11 |
CA2095111A1 (en) | 1992-05-30 |
CN1030447C (zh) | 1995-12-06 |
DE69120973D1 (de) | 1996-08-22 |
JPH06503325A (ja) | 1994-04-14 |
ES2090595T3 (es) | 1996-10-16 |
CN1061955A (zh) | 1992-06-17 |
US5087741A (en) | 1992-02-11 |
CA2095111C (en) | 1996-10-29 |
DE69120973T2 (de) | 1997-04-17 |
EP0639174A1 (en) | 1995-02-22 |
GR3021290T3 (en) | 1997-01-31 |
EP0639174B1 (en) | 1996-07-17 |
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