IN2014DN07599A - - Google Patents

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Publication number
IN2014DN07599A
IN2014DN07599A IN7599DEN2014A IN2014DN07599A IN 2014DN07599 A IN2014DN07599 A IN 2014DN07599A IN 7599DEN2014 A IN7599DEN2014 A IN 7599DEN2014A IN 2014DN07599 A IN2014DN07599 A IN 2014DN07599A
Authority
IN
India
Prior art keywords
distillation column
acetonitrile
alkali
phase
supplying
Prior art date
Application number
Other languages
English (en)
Inventor
Kazuhiko Sano
Takamasa Ito
Original Assignee
Asahi Kasei Chemicals Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Chemicals Corp filed Critical Asahi Kasei Chemicals Corp
Publication of IN2014DN07599A publication Critical patent/IN2014DN07599A/en

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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
    • 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
    • B01D3/42—Regulation; Control
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00—Purification; Separation; Stabilisation; Use of additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/02—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
    • C07C255/03—Mononitriles

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)
IN7599DEN2014 2012-03-26 2013-03-22 IN2014DN07599A (ar)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012070086 2012-03-26
PCT/JP2013/058368 WO2013146609A1 (ja) 2012-03-26 2013-03-22 アセトニトリルの精製方法

Publications (1)

Publication Number Publication Date
IN2014DN07599A true IN2014DN07599A (ar) 2015-05-15

Family

ID=49259862

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7599DEN2014 IN2014DN07599A (ar) 2012-03-26 2013-03-22

Country Status (7)

Country Link
JP (1) JP6143744B2 (ar)
KR (1) KR101648653B1 (ar)
CN (1) CN104203909B (ar)
IN (1) IN2014DN07599A (ar)
SG (1) SG11201405296QA (ar)
TW (1) TWI453185B (ar)
WO (1) WO2013146609A1 (ar)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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 乙腈精制系统的节能装置和节能方法
CN114870421A (zh) * 2015-11-16 2022-08-09 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 一种甲醇三效精馏系统及工艺
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系统
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
CN114213282B (zh) * 2021-12-21 2024-07-30 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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143949A (en) * 1979-04-26 1980-11-10 Asahi Chem Ind Co Ltd Recovery of purified acetonitrile
US4308108A (en) * 1979-03-28 1981-12-29 Asahi Kasei Kogyo Kabushiki Kaisha Process for purification of crude acetonitrile
JPS55129257A (en) * 1979-03-28 1980-10-06 Asahi Chem Ind Co Ltd Purification of acetonitrile containing hydrogen cyanide
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
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
KR20090094046A (ko) * 2005-05-10 2009-09-02 아사히 가세이 케미칼즈 가부시키가이샤 고순도 아세토니트릴 및 그 제조방법
CN101648888B (zh) * 2009-09-21 2012-09-05 浙江新化化工股份有限公司 一种乙腈的制备方法
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
EP2609058B1 (en) * 2010-08-25 2019-07-24 Uop Llc Energy conservation in heavy-hydrocarbon distillation
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

Also Published As

Publication number Publication date
JPWO2013146609A1 (ja) 2015-12-14
KR101648653B1 (ko) 2016-08-16
CN104203909A (zh) 2014-12-10
SG11201405296QA (en) 2014-11-27
JP6143744B2 (ja) 2017-06-07
WO2013146609A1 (ja) 2013-10-03
CN104203909B (zh) 2016-07-20
TW201343616A (zh) 2013-11-01
KR20140112522A (ko) 2014-09-23
TWI453185B (zh) 2014-09-21

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