TWI488834B - Purification of acetonitrile - Google Patents
Purification of acetonitrile Download PDFInfo
- 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
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
-
- 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)
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)
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)
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)
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 |
-
2013
- 2013-08-21 CN CN201380045429.6A patent/CN104603101B/zh active Active
- 2013-08-21 KR KR1020157002483A patent/KR101779678B1/ko active IP Right Grant
- 2013-08-21 SG SG11201501216XA patent/SG11201501216XA/en unknown
- 2013-08-21 WO PCT/JP2013/072323 patent/WO2014034500A1/ja active Application Filing
- 2013-08-21 IN IN1264DEN2015 patent/IN2015DN01264A/en unknown
- 2013-08-21 JP JP2014532954A patent/JP6038157B2/ja active Active
- 2013-08-29 TW TW102131116A patent/TWI488834B/zh active
-
2015
- 2015-02-26 SA SA515360073A patent/SA515360073B1/ar unknown
Patent Citations (2)
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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