[go: up one dir, main page]

SG11201405296QA - Method for purifying acetonitrile - Google Patents

Method for purifying acetonitrile

Info

Publication number
SG11201405296QA
SG11201405296QA SG11201405296QA SG11201405296QA SG11201405296QA SG 11201405296Q A SG11201405296Q A SG 11201405296QA SG 11201405296Q A SG11201405296Q A SG 11201405296QA SG 11201405296Q A SG11201405296Q A SG 11201405296QA SG 11201405296Q A SG11201405296Q A SG 11201405296QA
Authority
SG
Singapore
Prior art keywords
purifying acetonitrile
acetonitrile
purifying
Prior art date
Application number
SG11201405296QA
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 SG11201405296QA publication Critical patent/SG11201405296QA/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/007Energy recuperation; Heat pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/143Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/42Regulation; Control
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00Purification; Separation; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles
    • C07C253/32Separation; Purification; Stabilisation; Use of additives
    • C07C253/34Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • C07C255/01Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/02Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
    • C07C255/03Mononitriles

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)
SG11201405296QA 2012-03-26 2013-03-22 Method for purifying acetonitrile SG11201405296QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012070086 2012-03-26
PCT/JP2013/058368 WO2013146609A1 (en) 2012-03-26 2013-03-22 Method for purifying acetonitrile

Publications (1)

Publication Number Publication Date
SG11201405296QA true SG11201405296QA (en) 2014-11-27

Family

ID=49259862

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201405296QA SG11201405296QA (en) 2012-03-26 2013-03-22 Method for purifying acetonitrile

Country Status (7)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3012140B1 (en) * 2013-10-18 2016-08-26 Arkema France UNIT AND PROCESS FOR THE PURIFICATION OF RAW METHYL METHACRYLATE
US10336690B2 (en) * 2014-02-24 2019-07-02 Honeywell International Inc. Methods and systems for processing an acetonitrile waste stream
CN104193651B (en) * 2014-08-15 2017-01-18 江苏九天高科技股份有限公司 Refining method and device for synthesizing acetonitrile from acetic acid by ammoniation
CN106496069B (en) * 2015-09-06 2024-05-03 中国石油化工股份有限公司 Energy-saving device and energy-saving method of acetonitrile refining system
CN106699599A (en) * 2015-11-16 2017-05-24 英尼奥斯欧洲股份公司 Heads column pump circulation
CN109704990B (en) * 2017-10-26 2022-02-01 中国石油化工股份有限公司 Refining method of high-purity acetonitrile
CN107812393A (en) * 2017-10-27 2018-03-20 烟台国邦化工机械科技有限公司 A kind of methanol three-effect rectification system and technique
CN110437079A (en) * 2019-08-26 2019-11-12 山东齐鲁石化工程有限公司 The process system of diethylamine and triethylamine is recycled from waste water
CN111359247A (en) * 2020-03-24 2020-07-03 常州工程职业技术学院 A method for calculating the number of theoretical plates required for batch distillation separation
KR20230061501A (en) * 2020-09-04 2023-05-08 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 How to separate acetonitrile
CN114213282B (en) * 2021-12-21 2024-07-30 山东博苑医药化学股份有限公司 Acetonitrile recovery method of acid acetonitrile-containing waste solvent
CN115180756A (en) * 2022-06-10 2022-10-14 武汉北湖云峰环保科技有限公司 Acetonitrile waste liquid purification and recovery device and method
CN116855274A (en) * 2023-08-21 2023-10-10 天津奥展兴达化工技术有限公司 Petroleum atmospheric and vacuum distillation device and technology thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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
JPS55153757A (en) 1979-05-18 1980-11-29 Asahi Chem Ind Co Ltd Purification of crude acetonitrile by dehydration
US4308108A (en) * 1979-03-28 1981-12-29 Asahi Kasei Kogyo Kabushiki Kaisha Process for purification of crude acetonitrile
JPS55143949A (en) * 1979-04-26 1980-11-10 Asahi Chem Ind Co Ltd Recovery of purified acetonitrile
JPH03246269A (en) 1990-02-21 1991-11-01 Asahi Chem Ind Co Ltd How to increase sales of acetonitrile
TW402583B (en) * 1996-04-10 2000-08-21 Standard Oil Co Purification of acetonitrile by a distillative recovery/ion exchange resin treatment process
JPH1135542A (en) * 1997-07-09 1999-02-09 Standard Oil Co:The Purification of acetonitrile by distillation recovery / ion exchange resin treatment process
JP2000086592A (en) * 1998-09-04 2000-03-28 Daicel Chem Ind Ltd Method and apparatus for purifying carbonic acid diester
JP2000136154A (en) * 1998-10-30 2000-05-16 Mitsubishi Chemicals Corp Method for purifying 1,2-dichloroethane
JP2004217656A (en) * 2003-01-14 2004-08-05 Solutia Inc Recycling of cooled overhead condenced in acrylonitrile purification process
KR20090094046A (en) * 2005-05-10 2009-09-02 아사히 가세이 케미칼즈 가부시키가이샤 High-purity acetonitrile and process for producing the same
CN101648888B (en) * 2009-09-21 2012-09-05 浙江新化化工股份有限公司 Method for preparing acetonitrile
CN101890249A (en) * 2010-07-22 2010-11-24 蓝仁水 Energy-saving process method for rectifying and separating three fractions
KR101524956B1 (en) * 2010-08-25 2015-06-01 유오피 엘엘씨 Energy conservation in heavy-hydrocarbon distillation
CN102516119B (en) * 2011-12-15 2014-04-30 惠生工程(中国)有限公司 Continuous low-energy consumption acetonitrile refining process

Also Published As

Publication number Publication date
JP6143744B2 (en) 2017-06-07
TW201343616A (en) 2013-11-01
CN104203909B (en) 2016-07-20
KR20140112522A (en) 2014-09-23
TWI453185B (en) 2014-09-21
KR101648653B1 (en) 2016-08-16
CN104203909A (en) 2014-12-10
WO2013146609A1 (en) 2013-10-03
JPWO2013146609A1 (en) 2015-12-14
IN2014DN07599A (en) 2015-05-15

Similar Documents

Publication Publication Date Title
GB201223172D0 (en) Method
SG11201405296QA (en) Method for purifying acetonitrile
GB201212937D0 (en) Method
GB201212932D0 (en) Method
GB201212934D0 (en) Method
GB201213636D0 (en) Method
GB201210858D0 (en) Method
GB201209082D0 (en) Purification method
GB201218570D0 (en) Method
EP2743259A4 (en) Method for purifying (s)-oxiracetam
RS59725B1 (en) Purification method for phosphaplatin compounds
GB201202198D0 (en) Method
SG11201501216XA (en) Method for purifying acetonitrile
EP2743258A4 (en) Method for purifying levo-oxiracetam
SG11201406393UA (en) Method for purifying phenol
GB201211393D0 (en) Method
GB201105407D0 (en) Purification method
GB201223316D0 (en) Method
GB201222737D0 (en) Method
GB201217688D0 (en) Method
GB201214029D0 (en) method
GB201210147D0 (en) Method
EP2709654A4 (en) Process for purifying heparan-n-sulfatase
GB201213858D0 (en) Method
GB201203337D0 (en) Method