TWI453185B - Purification of acetonitrile - Google Patents
Purification of acetonitrile Download PDFInfo
- Publication number
- TWI453185B TWI453185B TW102110542A TW102110542A TWI453185B TW I453185 B TWI453185 B TW I453185B TW 102110542 A TW102110542 A TW 102110542A TW 102110542 A TW102110542 A TW 102110542A TW I453185 B TWI453185 B TW I453185B
- Authority
- TW
- Taiwan
- Prior art keywords
- column
- reboiler
- acetonitrile
- distillation column
- pressure
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012070086 | 2012-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201343616A TW201343616A (zh) | 2013-11-01 |
TWI453185B true TWI453185B (zh) | 2014-09-21 |
Family
ID=49259862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW102110542A TWI453185B (zh) | 2012-03-26 | 2013-03-25 | Purification of acetonitrile |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP6143744B2 (ru) |
KR (1) | KR101648653B1 (ru) |
CN (1) | CN104203909B (ru) |
IN (1) | IN2014DN07599A (ru) |
SG (1) | SG11201405296QA (ru) |
TW (1) | TWI453185B (ru) |
WO (1) | WO2013146609A1 (ru) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3012140B1 (fr) * | 2013-10-18 | 2016-08-26 | Arkema France | Unite et procede pour la purification de methacrylate de methyle brut |
US10336690B2 (en) | 2014-02-24 | 2019-07-02 | Honeywell International Inc. | Methods and systems for processing an acetonitrile waste stream |
CN104193651B (zh) * | 2014-08-15 | 2017-01-18 | 江苏九天高科技股份有限公司 | 一种用于醋酸氨化合成乙腈的精制方法及装置 |
CN106496069B (zh) * | 2015-09-06 | 2024-05-03 | 中国石油化工股份有限公司 | 乙腈精制***的节能装置和节能方法 |
CN106699599A (zh) * | 2015-11-16 | 2017-05-24 | 英尼奥斯欧洲股份公司 | 头馏分塔泵循环 |
CN109704990B (zh) * | 2017-10-26 | 2022-02-01 | 中国石油化工股份有限公司 | 高纯乙腈的精制方法 |
CN107812393A (zh) * | 2017-10-27 | 2018-03-20 | 烟台国邦化工机械科技有限公司 | 一种甲醇三效精馏***及工艺 |
CN110437079A (zh) * | 2019-08-26 | 2019-11-12 | 山东齐鲁石化工程有限公司 | 从废水中回收二乙胺和三乙胺的工艺*** |
CN111359247A (zh) * | 2020-03-24 | 2020-07-03 | 常州工程职业技术学院 | 一种计算间歇精馏分离所需理论塔板数的方法 |
KR20230061501A (ko) * | 2020-09-04 | 2023-05-08 | 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 | 아세토니트릴 분리 방법 |
CN114213282A (zh) * | 2021-12-21 | 2022-03-22 | 山东博苑医药化学股份有限公司 | 一种含酸乙腈废溶剂的乙腈回收方法 |
CN115180756A (zh) * | 2022-06-10 | 2022-10-14 | 武汉北湖云峰环保科技有限公司 | 一种乙腈废液的纯化回收装置及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308108A (en) * | 1979-03-28 | 1981-12-29 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for purification of crude acetonitrile |
CN1524849A (zh) * | 2003-01-14 | 2004-09-01 | 纯化丙烯腈的方法中冷凝的骤冷塔顶馏出物的循环 | |
CN101171233A (zh) * | 2005-05-10 | 2008-04-30 | 旭化成化学株式会社 | 高纯度乙腈及其制造方法 |
CN101648888A (zh) * | 2009-09-21 | 2010-02-17 | 浙江新化化工股份有限公司 | 一种乙腈的制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55129257A (en) * | 1979-03-28 | 1980-10-06 | Asahi Chem Ind Co Ltd | Purification of acetonitrile containing hydrogen cyanide |
JPS55143949A (en) * | 1979-04-26 | 1980-11-10 | Asahi Chem Ind Co Ltd | Recovery of purified acetonitrile |
JPS55153757A (en) | 1979-05-18 | 1980-11-29 | Asahi Chem Ind Co Ltd | Purification of crude acetonitrile by dehydration |
JPH03246269A (ja) | 1990-02-21 | 1991-11-01 | Asahi Chem Ind Co Ltd | アセトニトリルの増収方法 |
TW402583B (en) * | 1996-04-10 | 2000-08-21 | Standard Oil Co | Purification of acetonitrile by a distillative recovery/ion exchange resin treatment process |
JPH1135542A (ja) * | 1997-07-09 | 1999-02-09 | Standard Oil Co:The | 蒸留回収/イオン交換樹脂処理プロセスによるアセトニトリルの精製 |
JP2000086592A (ja) * | 1998-09-04 | 2000-03-28 | Daicel Chem Ind Ltd | 炭酸ジエステルの精製方法および精製装置 |
JP2000136154A (ja) * | 1998-10-30 | 2000-05-16 | Mitsubishi Chemicals Corp | 1,2−ジクロロエタンの精製方法 |
CN101890249A (zh) * | 2010-07-22 | 2010-11-24 | 蓝仁水 | 一种三馏分精馏分离的节能工艺方法 |
BR112013003733A2 (pt) * | 2010-08-25 | 2016-05-31 | Uop Llc | processo de destilação, e, aparelho de destilação |
CN102516119B (zh) * | 2011-12-15 | 2014-04-30 | 惠生工程(中国)有限公司 | 一种连续低能耗的乙腈精制工艺 |
-
2013
- 2013-03-22 WO PCT/JP2013/058368 patent/WO2013146609A1/ja active Application Filing
- 2013-03-22 JP JP2014507830A patent/JP6143744B2/ja active Active
- 2013-03-22 KR KR1020147020166A patent/KR101648653B1/ko active IP Right Grant
- 2013-03-22 CN CN201380014926.XA patent/CN104203909B/zh active Active
- 2013-03-22 SG SG11201405296QA patent/SG11201405296QA/en unknown
- 2013-03-22 IN IN7599DEN2014 patent/IN2014DN07599A/en unknown
- 2013-03-25 TW TW102110542A patent/TWI453185B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308108A (en) * | 1979-03-28 | 1981-12-29 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for purification of crude acetonitrile |
CN1524849A (zh) * | 2003-01-14 | 2004-09-01 | 纯化丙烯腈的方法中冷凝的骤冷塔顶馏出物的循环 | |
CN101171233A (zh) * | 2005-05-10 | 2008-04-30 | 旭化成化学株式会社 | 高纯度乙腈及其制造方法 |
CN101648888A (zh) * | 2009-09-21 | 2010-02-17 | 浙江新化化工股份有限公司 | 一种乙腈的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104203909A (zh) | 2014-12-10 |
JPWO2013146609A1 (ja) | 2015-12-14 |
JP6143744B2 (ja) | 2017-06-07 |
KR20140112522A (ko) | 2014-09-23 |
SG11201405296QA (en) | 2014-11-27 |
WO2013146609A1 (ja) | 2013-10-03 |
TW201343616A (zh) | 2013-11-01 |
IN2014DN07599A (ru) | 2015-05-15 |
CN104203909B (zh) | 2016-07-20 |
KR101648653B1 (ko) | 2016-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI453185B (zh) | Purification of acetonitrile | |
CN108337889B (zh) | 丙烯腈的纯化方法、制造方法及蒸馏装置 | |
JP6942134B2 (ja) | 隔壁塔蒸留を使用するメルカプタン又はチオフェンの精製 | |
AR074138A1 (es) | Proceso y aparato para recuperacion eficiente de diclorohidrinas | |
KR20030029481A (ko) | 묽은 수성 스트림으로부터 아크롤레인 또는프로피온알데히드를 회수하는 방법 | |
TWI488834B (zh) | Purification of acetonitrile | |
JP2018517558A (ja) | 蒸留装置 | |
ZA200300416B (en) | Process for the purification and recovery of acetonitrile. | |
US20120073954A1 (en) | Recovery of acetonitrile from a waste stream | |
JP5717280B2 (ja) | アクリロニトリルの精製方法 | |
RU2720939C2 (ru) | Управление колонной выделения | |
CN110099889A (zh) | 经由分隔壁塔的丙烯酸提纯 | |
CN106687438B (zh) | (甲基)丙烯酸的回收方法和回收装置 | |
BR112013026747B1 (pt) | processo de nitração à alta pressão | |
CN110776408B (zh) | 用于丙烯醛的纯化方法 | |
JP4961209B2 (ja) | テトラヒドロアゼピンを含む不純な6−アミノカプロニトリルからカプロラクタムを製造する方法 | |
JP5785728B2 (ja) | 不飽和ニトリルの蒸留方法及び蒸留装置、並びに不飽和ニトリルの製造方法 | |
JP5255325B2 (ja) | 粗プロパン及び/又は粗プロピレンの精製方法並びに精製装置 | |
JP5344741B2 (ja) | アクリロニトリルの精製方法 | |
TWI708629B (zh) | 回收塔 | |
TWI444362B (zh) | 非均勻相共沸蒸餾方法 | |
TW201808875A (zh) | 製造乙酸之方法 | |
TW201504204A (zh) | 用於精煉腈化物的改良方法 | |
JP2013082709A (ja) | プロピレンオキサイドの取得方法 |