TWI488834B - Purification of acetonitrile - Google Patents

Purification of acetonitrile Download PDF

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Publication number
TWI488834B
TWI488834B TW102131116A TW102131116A TWI488834B TW I488834 B TWI488834 B TW I488834B TW 102131116 A TW102131116 A TW 102131116A TW 102131116 A TW102131116 A TW 102131116A TW I488834 B TWI488834 B TW I488834B
Authority
TW
Taiwan
Prior art keywords
acetonitrile
column
line
liquid
mass
Prior art date
Application number
TW102131116A
Other languages
English (en)
Chinese (zh)
Other versions
TW201414706A (zh
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 TW201414706A publication Critical patent/TW201414706A/zh
Application granted granted Critical
Publication of TWI488834B publication Critical patent/TWI488834B/zh

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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
    • 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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
TW102131116A 2012-08-31 2013-08-29 Purification of acetonitrile TWI488834B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012192215 2012-08-31

Publications (2)

Publication Number Publication Date
TW201414706A TW201414706A (zh) 2014-04-16
TWI488834B true TWI488834B (zh) 2015-06-21

Family

ID=50183315

Family Applications (1)

Application Number Title Priority Date Filing Date
TW102131116A TWI488834B (zh) 2012-08-31 2013-08-29 Purification of acetonitrile

Country Status (8)

Country Link
JP (1) JP6038157B2 (ko)
KR (1) KR101779678B1 (ko)
CN (1) CN104603101B (ko)
IN (1) IN2015DN01264A (ko)
SA (1) SA515360073B1 (ko)
SG (1) SG11201501216XA (ko)
TW (1) TWI488834B (ko)
WO (1) WO2014034500A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104058994B (zh) * 2014-07-02 2016-07-06 中国计量科学研究院 高纯乙腈及其制备方法和装置
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
TWI740840B (zh) * 2015-08-26 2021-10-01 大陸商中國石油化工科技開發有限公司 乙腈精製方法、乙腈精製系統及酸性廢水的再利用方法
CN106316882B (zh) * 2016-07-27 2018-01-30 中国计量科学研究院 一种电子级乙腈的制备方法
CN109374795A (zh) * 2018-09-20 2019-02-22 福建中医药大学 一种降低乙腈蒸发光散射检测器噪音的方法

Citations (2)

* Cited by examiner, † Cited by third party
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
JP2000128847A (ja) * 1998-10-20 2000-05-09 Asahi Chem Ind Co Ltd アルカリの再使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4881816A (ko) * 1972-02-12 1973-11-01
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
GB2249308B (en) * 1990-10-30 1994-05-18 G K Analytical Sciences Limite Solvent purification
CN1102575C (zh) * 2000-06-15 2003-03-05 中国石油化工集团公司 高纯乙腈精制中微量氢氰酸脱除方法
CN101171233B (zh) * 2005-05-10 2011-04-20 旭化成化学株式会社 高纯度乙腈及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
JP2000128847A (ja) * 1998-10-20 2000-05-09 Asahi Chem Ind Co Ltd アルカリの再使用方法

Also Published As

Publication number Publication date
KR20150027281A (ko) 2015-03-11
JPWO2014034500A1 (ja) 2016-08-08
SG11201501216XA (en) 2015-05-28
TW201414706A (zh) 2014-04-16
CN104603101B (zh) 2017-03-01
CN104603101A (zh) 2015-05-06
WO2014034500A1 (ja) 2014-03-06
JP6038157B2 (ja) 2016-12-07
IN2015DN01264A (ko) 2015-07-03
SA515360073B1 (ar) 2016-02-13
KR101779678B1 (ko) 2017-09-18

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