DE69705321D1 - Verfahren zur reinigung von acrylnitril - Google Patents
Verfahren zur reinigung von acrylnitrilInfo
- Publication number
- DE69705321D1 DE69705321D1 DE69705321T DE69705321T DE69705321D1 DE 69705321 D1 DE69705321 D1 DE 69705321D1 DE 69705321 T DE69705321 T DE 69705321T DE 69705321 T DE69705321 T DE 69705321T DE 69705321 D1 DE69705321 D1 DE 69705321D1
- Authority
- DE
- Germany
- Prior art keywords
- acrylnitrile
- purifying
- quench systems
- maintaining
- low level
- 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.)
- Expired - Lifetime
Links
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title abstract 2
- 238000010791 quenching Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2908096P | 1996-10-23 | 1996-10-23 | |
PCT/US1997/018945 WO1998017634A1 (en) | 1996-10-23 | 1997-10-17 | Process for purifying acrylonitrile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69705321D1 true DE69705321D1 (de) | 2001-07-26 |
DE69705321T2 DE69705321T2 (de) | 2001-10-11 |
Family
ID=21847110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69705321T Expired - Lifetime DE69705321T2 (de) | 1996-10-23 | 1997-10-17 | Verfahren zur reinigung von acrylnitril |
Country Status (11)
Country | Link |
---|---|
US (1) | US5895822A (de) |
EP (1) | EP0938469B1 (de) |
JP (1) | JP4463330B2 (de) |
KR (1) | KR100498803B1 (de) |
CN (1) | CN1110475C (de) |
AT (1) | ATE202336T1 (de) |
AU (1) | AU734725B2 (de) |
DE (1) | DE69705321T2 (de) |
ES (1) | ES2158527T3 (de) |
TW (1) | TW438744B (de) |
WO (1) | WO1998017634A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5192617B2 (ja) * | 1997-12-22 | 2013-05-08 | ダウ グローバル テクノロジーズ エルエルシー | 価値の低いハロゲン化物質からの1種以上の有効な製品の製造 |
ES2197578T3 (es) * | 1998-02-23 | 2004-01-01 | The Standard Oil Company | Purificacion y recuperacion mejoradas de acetonitrilo. |
US5869730A (en) * | 1998-05-13 | 1999-02-09 | The Standard Oil Company | Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams |
US6197855B1 (en) * | 1998-09-29 | 2001-03-06 | Solutia Inc. | Nucleation of Polyamides in the presence of hypophosphite |
US6084121A (en) * | 1999-09-09 | 2000-07-04 | E. I. Du Pont De Nemours And Company | Nitrile process |
US6984749B2 (en) * | 2002-12-04 | 2006-01-10 | Bp Corporation North America Inc. | Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles |
JP2004217656A (ja) * | 2003-01-14 | 2004-08-05 | Solutia Inc | アクリロニトリル精製プロセスにおける凝縮させた冷却オーバーヘッドの再循環 |
US20090299087A1 (en) * | 2008-05-28 | 2009-12-03 | Solutia, Inc. | Process for manufacturing unsaturated mononitriles to improve on-stream time and reduce fouling |
CN104922923A (zh) * | 2014-03-21 | 2015-09-23 | 英尼奥斯欧洲股份公司 | 添加抑制剂的头馏分塔操作 |
CN105727582A (zh) * | 2014-09-29 | 2016-07-06 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
CN105521615A (zh) * | 2014-09-29 | 2016-04-27 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
CN114307207A (zh) * | 2014-09-29 | 2022-04-12 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
CN104667558B (zh) * | 2015-02-27 | 2018-02-13 | 英尼奥斯欧洲股份公司 | 轻有机物汽提器塔系统和工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936360A (en) * | 1971-04-07 | 1976-02-03 | The Standard Oil Company | Process for distillation and recovery of olefinic nitriles |
US4166008A (en) * | 1977-07-29 | 1979-08-28 | The Standard Oil Company | Process for recovery of olefinic nitriles |
KR850001603B1 (ko) * | 1980-12-03 | 1985-10-24 | 아사히 가세이 고오교오 가부시기가이샤 | 불포화 니트릴의 제조법 |
US4404064A (en) | 1982-12-30 | 1983-09-13 | Monsanto Company | Water extractive distillation of olefinically unsaturated nitriles |
DE4039177A1 (de) * | 1990-12-06 | 1992-06-11 | Petrolchemie Und Kraftstoffe A | Verfahren zur quenchung von acrylnitrilhaltigen gasen im acrylnitrilprozess |
-
1997
- 1997-10-17 DE DE69705321T patent/DE69705321T2/de not_active Expired - Lifetime
- 1997-10-17 EP EP97912812A patent/EP0938469B1/de not_active Expired - Lifetime
- 1997-10-17 WO PCT/US1997/018945 patent/WO1998017634A1/en active IP Right Grant
- 1997-10-17 JP JP51955798A patent/JP4463330B2/ja not_active Expired - Lifetime
- 1997-10-17 CN CN97180748A patent/CN1110475C/zh not_active Expired - Lifetime
- 1997-10-17 ES ES97912812T patent/ES2158527T3/es not_active Expired - Lifetime
- 1997-10-17 AT AT97912812T patent/ATE202336T1/de not_active IP Right Cessation
- 1997-10-17 AU AU49905/97A patent/AU734725B2/en not_active Expired
- 1997-10-17 KR KR10-1999-7003570A patent/KR100498803B1/ko not_active IP Right Cessation
- 1997-10-23 US US08/956,640 patent/US5895822A/en not_active Expired - Lifetime
-
1998
- 1998-02-24 TW TW086115606A patent/TW438744B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU4990597A (en) | 1998-05-15 |
CN1268115A (zh) | 2000-09-27 |
KR20000052763A (ko) | 2000-08-25 |
ES2158527T3 (es) | 2001-09-01 |
EP0938469B1 (de) | 2001-06-20 |
ATE202336T1 (de) | 2001-07-15 |
WO1998017634A1 (en) | 1998-04-30 |
JP4463330B2 (ja) | 2010-05-19 |
CN1110475C (zh) | 2003-06-04 |
US5895822A (en) | 1999-04-20 |
TW438744B (en) | 2001-06-07 |
AU734725B2 (en) | 2001-06-21 |
KR100498803B1 (ko) | 2005-07-01 |
DE69705321T2 (de) | 2001-10-11 |
JP2002501476A (ja) | 2002-01-15 |
EP0938469A1 (de) | 1999-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ASCEND PERFORMANCE MATERIALS LLC, HOUSTON, TEX, US |