TWI730020B - 回收塔控制（二） - Google Patents

回收塔控制（二） Download PDF

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Publication number
TWI730020B
TWI730020B TW105139718A TW105139718A TWI730020B TW I730020 B TWI730020 B TW I730020B TW 105139718 A TW105139718 A TW 105139718A TW 105139718 A TW105139718 A TW 105139718A TW I730020 B TWI730020 B TW I730020B
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TW
Taiwan
Prior art keywords
acetonitrile
acrylonitrile
stream
weight
distillation column
Prior art date
Application number
TW105139718A
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English (en)
Chinese (zh)
Other versions
TW201731570A (zh
Inventor
馬諾吉Ｓ 守奇
提摩西Ｒ 麥克唐諾
傑Ｒ 考奇
Original Assignee
瑞士商億諾斯歐洲公司
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Application filed by 瑞士商億諾斯歐洲公司 filed Critical 瑞士商億諾斯歐洲公司
Publication of TW201731570A publication Critical patent/TW201731570A/zh
Application granted granted Critical
Publication of TWI730020B publication Critical patent/TWI730020B/zh

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • 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
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic distillation
    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation
    • 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
    • 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
    • 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
    • C07C255/06—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and unsaturated carbon skeleton
    • C07C255/07—Mononitriles
    • C07C255/08—Acrylonitrile; Methacrylonitrile

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
TW105139718A 2015-12-17 2016-12-01 回收塔控制（二） TWI730020B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510947424.3 2015-12-17
CN201510947424.3A CN106892843A (zh) 2015-12-17 2015-12-17 回收塔控制

Publications (2)

Publication Number Publication Date
TW201731570A TW201731570A (zh) 2017-09-16
TWI730020B true TWI730020B (zh) 2021-06-11

Family

ID=57629682

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105139718A TWI730020B (zh) 2015-12-17 2016-12-01 回收塔控制（二）

Country Status (8)

Country Link
EP (1) EP3390350B1 (enExample)
JP (2) JP6880029B2 (enExample)
KR (1) KR102747721B1 (enExample)
CN (1) CN106892843A (enExample)
RU (1) RU2724904C2 (enExample)
SA (1) SA518391823B1 (enExample)
TW (1) TWI730020B (enExample)
WO (1) WO2017105803A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3921351B1 (en) * 2019-02-07 2026-01-07 Dow Global Technologies LLC Monomer recovery process
US12129187B2 (en) * 2020-04-27 2024-10-29 Covestro Deutschland Ag Method for cleaning aqueous wastewater streams loaded with nitrobenzene
TWI802983B (zh) * 2020-09-04 2023-05-21 美商阿散德性能材料營運公司 乙腈的分離方法
JP7764131B2 (ja) 2021-02-01 2025-11-05 日東電工株式会社 ホットメルト型粘着剤組成物および粘着シート
US12595221B1 (en) * 2021-03-31 2026-04-07 Dow Technology Investments Llc Hydroformylation processes
CN117298641B (zh) * 2023-11-08 2025-10-14 上海盛蓝汇科技有限责任公司 一种丙烯腈分离装置及分离工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445347A (en) * 1964-12-24 1969-05-20 Ugine Kuhlmann Extractive distillation of acrylonitrile with side stream impurity withdrawal
CN101857553A (zh) * 2009-04-07 2010-10-13 大野绿水株式会社 (甲基)丙烯腈的回收方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB984725A (en) * 1962-07-21 1965-03-03 Electro Chimie Metal Improvements in or relating to the purification of acrylonitrile
GB1051080A (enExample) 1964-08-14
US3399120A (en) 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
US3936360A (en) 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
US4234510A (en) 1973-06-07 1980-11-18 Standard Oil Company Recovery of acrylonitrile or methacrylonitrile by condensation
US3885928A (en) 1973-06-18 1975-05-27 Standard Oil Co Ohio Acrylonitrile and methacrylonitrile recovery and purification system
JPS55115858A (en) * 1979-02-28 1980-09-06 Asahi Chem Ind Co Ltd Recovery and purification of unsaturated nitrile
JPS5810551A (ja) * 1981-07-09 1983-01-21 Asahi Chem Ind Co Ltd 不飽和ニトリルの製造法
CN1014888B (zh) * 1988-03-10 1991-11-27 中国石油化工总公司 丙烯腈和乙腈回收的新方法
US5183538A (en) * 1990-12-24 1993-02-02 Phillips Petroleum Company Extraction plus ion exchange processing of a brine stream
US6072576A (en) 1996-12-31 2000-06-06 Exxon Chemical Patents Inc. On-line control of a chemical process plant
DE69906848T2 (de) * 1998-02-23 2003-10-30 The Standard Oil Company, Chicago Reinigung und Gewinnung von Acetonitril
US20040104108A1 (en) 2002-12-03 2004-06-03 Mason Robert Michael High capacity purification of thermally unstable compounds
US6984749B2 (en) 2002-12-04 2006-01-10 Bp Corporation North America Inc. Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles
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
US20090299087A1 (en) * 2008-05-28 2009-12-03 Solutia, Inc. Process for manufacturing unsaturated mononitriles to improve on-stream time and reduce fouling
JP5785728B2 (ja) * 2011-02-15 2015-09-30 旭化成ケミカルズ株式会社 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
CN102796028B (zh) * 2012-08-16 2015-08-12 中国石油化工集团公司 一种提高丙烯腈生产稳定性的控制装置和方法
CN104027994B (zh) * 2014-05-30 2017-10-20 英尼奥斯欧洲股份公司 粗乙腈与丙烯腈的分离

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445347A (en) * 1964-12-24 1969-05-20 Ugine Kuhlmann Extractive distillation of acrylonitrile with side stream impurity withdrawal
CN101857553A (zh) * 2009-04-07 2010-10-13 大野绿水株式会社 (甲基)丙烯腈的回收方法

Also Published As

Publication number Publication date
KR20180095027A (ko) 2018-08-24
RU2724904C2 (ru) 2020-06-26
JP7219252B2 (ja) 2023-02-07
JP2021014456A (ja) 2021-02-12
KR102747721B1 (ko) 2024-12-27
RU2018125697A3 (enExample) 2020-02-07
JP2018537512A (ja) 2018-12-20
EP3390350A1 (en) 2018-10-24
CN106892843A (zh) 2017-06-27
WO2017105803A1 (en) 2017-06-22
TW201731570A (zh) 2017-09-16
SA518391823B1 (ar) 2022-07-27
RU2018125697A (ru) 2020-01-17
EP3390350B1 (en) 2023-09-13
JP6880029B2 (ja) 2021-06-02

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