ES2166952T3 - Procedimiento para la purificacion de acetonitrilo. - Google Patents
Procedimiento para la purificacion de acetonitrilo.Info
- Publication number
- ES2166952T3 ES2166952T3 ES97304974T ES97304974T ES2166952T3 ES 2166952 T3 ES2166952 T3 ES 2166952T3 ES 97304974 T ES97304974 T ES 97304974T ES 97304974 T ES97304974 T ES 97304974T ES 2166952 T3 ES2166952 T3 ES 2166952T3
- Authority
- ES
- Spain
- Prior art keywords
- acetonitrile
- procedure
- purification
- multiphasical
- iasticed
- 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
Classifications
-
- 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)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE PRODUCCION DE ACETONITRILO DE TIPO HPLC (LONGITUD DE ONDA UV CRITICA < 190), QUE COMPRENDE UNA DESTILACION MULTIFASICA BAJO CONDICIONES DE REFLUJO, SEGUIDA DE TRATAMIENTO CON RESINA DE INTERCAMBIO IONICO ACIDA, PARA ELIMINAR PRACTICAMENTE TODAS LAS IMPUREZAS DEL ACETONITRILO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970304974 EP0890572B1 (en) | 1997-07-08 | 1997-07-08 | Process for purifying acetonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2166952T3 true ES2166952T3 (es) | 2002-05-01 |
Family
ID=8229402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97304974T Expired - Lifetime ES2166952T3 (es) | 1997-07-08 | 1997-07-08 | Procedimiento para la purificacion de acetonitrilo. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0890572B1 (es) |
DE (1) | DE69707848T2 (es) |
ES (1) | ES2166952T3 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0937707B1 (en) * | 1998-02-23 | 2003-04-16 | The Standard Oil Company | Improved purification and recovery of acetonitrile |
US6395142B1 (en) | 1999-10-14 | 2002-05-28 | Chemcycles, Inc. | Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste |
EP1682492A2 (en) | 2003-11-04 | 2006-07-26 | Lonza Ag | Acetonitrile recycling process |
KR20090094046A (ko) * | 2005-05-10 | 2009-09-02 | 아사히 가세이 케미칼즈 가부시키가이샤 | 고순도 아세토니트릴 및 그 제조방법 |
ES2371798T3 (es) | 2007-07-10 | 2012-01-10 | Sumitomo Chemical Company, Limited | Método para producir óxido de propileno. |
CN101570498B (zh) * | 2009-05-27 | 2013-07-17 | 安徽时联特种溶剂股份有限公司 | 一种多级反应—精馏法生产hplc乙腈的方法 |
CN101665451B (zh) * | 2009-09-14 | 2013-04-24 | 郑州正力聚合物科技有限公司 | 丙烯腈提纯装置 |
CN102633283A (zh) * | 2012-04-01 | 2012-08-15 | 重庆紫光化工股份有限公司 | 一种氢氰酸的提纯方法 |
CN104744300A (zh) * | 2013-12-31 | 2015-07-01 | 上海星可高纯溶剂有限公司 | 液相色谱-质谱联用仪用乙腈的提纯方法 |
US10336690B2 (en) * | 2014-02-24 | 2019-07-02 | Honeywell International Inc. | Methods and systems for processing an acetonitrile waste stream |
CN105085319A (zh) * | 2014-05-16 | 2015-11-25 | 上海星可高纯溶剂有限公司 | 梯度洗脱溶剂乙腈的提纯方法 |
CN105085317A (zh) * | 2014-05-16 | 2015-11-25 | 上海星可高纯溶剂有限公司 | 液相色谱-质谱联用仪用乙腈的提纯方法 |
CN105085318A (zh) * | 2014-05-16 | 2015-11-25 | 上海星可高纯溶剂有限公司 | 高效液相色谱分析用乙腈的提纯方法 |
EP4208439A1 (en) * | 2020-09-04 | 2023-07-12 | Ascend Performance Materials Operations LLC | Acetonitrile separation process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1493519A (fr) * | 1966-05-27 | 1967-09-01 | Electro Chimie Soc D | Perfectionnements à la purification de nitriles |
GB1223915A (en) * | 1968-09-18 | 1971-03-03 | Bp Chem Int Ltd | Purification of nitriles |
US4362603A (en) * | 1981-01-02 | 1982-12-07 | The Standard Oil Company | Continuous acetonitrile recovery process |
DE3334321A1 (de) * | 1983-09-22 | 1985-04-11 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur reinigung von rohem acetonitril unter gewinnung von reiner blausaeure |
JPH05140070A (ja) * | 1991-11-14 | 1993-06-08 | Asahi Chem Ind Co Ltd | アセトニトリルの精製方法 |
US5426208A (en) * | 1992-05-21 | 1995-06-20 | Cryodyne Technologies, Inc. | Method of purification of acetonitrile |
-
1997
- 1997-07-08 ES ES97304974T patent/ES2166952T3/es not_active Expired - Lifetime
- 1997-07-08 DE DE1997607848 patent/DE69707848T2/de not_active Expired - Lifetime
- 1997-07-08 EP EP19970304974 patent/EP0890572B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0890572A1 (en) | 1999-01-13 |
DE69707848D1 (de) | 2001-12-06 |
EP0890572B1 (en) | 2001-10-31 |
DE69707848T2 (de) | 2002-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2166952T3 (es) | Procedimiento para la purificacion de acetonitrilo. | |
EA200301232A1 (ru) | Новые соединения арилсульфонамида и их применение для лечения ожирения, диабета типа ii и нарушений центральной нервной системы | |
BR9701248A (pt) | Novos pró-medicamentos para a terapia de tumores e distúrbios inflamatórios | |
PT921785E (pt) | Combinacao de enzimas protease acidas e tampoes acidicos e suas utilizacoes | |
CU23029A3 (es) | Analogos sustituidos del benzopirano para el tratamiento de la inflamacion | |
BR9812371A (pt) | Tratamento de distúrbio de conduta | |
BR0112786A (pt) | Inibidores de inflamação não-esteroidais | |
BR9812357A (pt) | Tratamento de distúbio oposicional desafiador | |
BR9811988A (pt) | Derivados de n-alcanoilfenilalanina | |
CY1105915T1 (el) | Παραγωγα θειαζολιου για τη θepαπεια των παθησεων που σχετιζονται με τους ppar | |
ATE274330T1 (de) | Gleitschutz fur einen gehäusekopf medizinischer instrumente | |
EA200100958A1 (ru) | Производные 4,5-диарил-3(2h)-фуранона как ингибиторы циклооксигеназы-2 | |
FI950192A (fi) | Fluoresoiva merkkiaine, jota käytetään poistettaessa vettä lietteestä | |
BR9708114A (pt) | Análogos xantona para o tratamento de doenças infecciosas. | |
DK0458699T3 (da) | Anvendelse af baclofen til fremstilling af lægemidler til behandling af angina pectoris | |
BR9901279A (pt) | Triciclicos substituìdos | |
MX9403915A (es) | Derivados de n-alquiltio de pliamina como agentes radioprotectores. | |
EA200000741A1 (ru) | Новые производные дигидроксигексановой кислоты | |
EA200300450A1 (ru) | Фармацевтические растворы соединений модафинила | |
NO20014241D0 (no) | C16-umettede FP-selektive prostaglandinanaloger | |
EA200000165A1 (ru) | Разветвленные алкоксизамещенные-2-аминопиридины в качестве ингибиторов nos | |
BR9916507A (pt) | Proteìnas | |
BR9606981A (pt) | Processo para preparação de intermediários inibidores de protease retroviral | |
CO4940435A1 (es) | Sal de hemisulfato del (1s,4r)-cis-4-[2-amino-6- (ciclopropilamino)-9h-purin-9-il]-2-ciclopenten-1-metanol o un solvato del mismo | |
BR9812780A (pt) | 2-aril-3-aroilbenzo[b]tiofenos úteis para o tratamento de sìndrome da perda de estrogênio |