TWI708629B - 回收塔 - Google Patents

回收塔 Download PDF

Info

Publication number
TWI708629B
TWI708629B TW105139716A TW105139716A TWI708629B TW I708629 B TWI708629 B TW I708629B TW 105139716 A TW105139716 A TW 105139716A TW 105139716 A TW105139716 A TW 105139716A TW I708629 B TWI708629 B TW I708629B
Authority
TW
Taiwan
Prior art keywords
recovery tower
acetonitrile
acrylonitrile
section
stream
Prior art date
Application number
TW105139716A
Other languages
English (en)
Chinese (zh)
Other versions
TW201731569A (zh
Inventor
提摩西Ｒ 麥克唐諾
傑Ｒ 考奇
保羅Ｔ 華奇坦朵爾夫
Original Assignee
瑞士商億諾斯歐洲公司
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 瑞士商億諾斯歐洲公司 filed Critical 瑞士商億諾斯歐洲公司
Publication of TW201731569A publication Critical patent/TW201731569A/zh
Application granted granted Critical
Publication of TWI708629B publication Critical patent/TWI708629B/zh

Links

Images

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
    • 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
    • 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
    • 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

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)
TW105139716A 2015-12-17 2016-12-01 回收塔 TWI708629B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510947392.7 2015-12-17
CN201510947392.7A CN106892842A (zh) 2015-12-17 2015-12-17 回收塔

Publications (2)

Publication Number Publication Date
TW201731569A TW201731569A (zh) 2017-09-16
TWI708629B true TWI708629B (zh) 2020-11-01

Family

ID=57629684

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105139716A TWI708629B (zh) 2015-12-17 2016-12-01 回收塔

Country Status (8)

Country Link
EP (1) EP3389812B1 (enExample)
JP (1) JP6850295B2 (enExample)
KR (1) KR102746632B1 (enExample)
CN (2) CN106892842A (enExample)
RU (1) RU2721133C2 (enExample)
SA (1) SA518391825B1 (enExample)
TW (1) TWI708629B (enExample)
WO (1) WO2017105831A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022520036A (ja) * 2019-02-07 2022-03-28 ダウ グローバル テクノロジーズ エルエルシー モノマー回収プロセス
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1493121A1 (de) * 1964-12-24 1969-04-10 Electro Chimie Metal Verfahren zur Trennung von Acrylnitril und Acetonitril aus deren,gegebenenfalls noch andere Verunreinigungen enthaltenden Mischungen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA669119A (en) * 1961-05-27 1963-08-20 Schonbeck Rupert Process for the continuous recovery of acrylonitrile and acetonitrile
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
DE1920083A1 (de) * 1969-04-21 1970-01-29 Lentia Gmbh Verfahren zur kontinuierlichen Trennung von Acrylnitril und Acetonitril
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
US4404064A (en) * 1982-12-30 1983-09-13 Monsanto Company Water extractive distillation of olefinically unsaturated nitriles
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
US5629444A (en) * 1996-06-06 1997-05-13 The Standard Oil Company Acrylonitrile recovery process
US5869730A (en) * 1998-05-13 1999-02-09 The Standard Oil Company Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
JP5476774B2 (ja) * 2009-04-07 2014-04-23 三菱レイヨン株式会社 （メタ）アクリロニトリルの回収方法
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1493121A1 (de) * 1964-12-24 1969-04-10 Electro Chimie Metal Verfahren zur Trennung von Acrylnitril und Acetonitril aus deren,gegebenenfalls noch andere Verunreinigungen enthaltenden Mischungen

Also Published As

Publication number Publication date
SA518391825B1 (ar) 2022-06-16
CN119100948A (zh) 2024-12-10
EP3389812B1 (en) 2025-11-05
WO2017105831A1 (en) 2017-06-22
EP3389812A1 (en) 2018-10-24
RU2018125971A (ru) 2020-01-20
KR20180095025A (ko) 2018-08-24
JP6850295B2 (ja) 2021-03-31
RU2018125971A3 (enExample) 2020-02-14
JP2019505494A (ja) 2019-02-28
KR102746632B1 (ko) 2024-12-24
CN106892842A (zh) 2017-06-27
RU2721133C2 (ru) 2020-05-18
TW201731569A (zh) 2017-09-16

Similar Documents

Publication Publication Date Title
JP7219252B2 (ja) 回収塔の制御
RU2736379C1 (ru) Способ очистки, способ получения и устройство для дистилляции акрилонитрила
TWI453185B (zh) Purification of acetonitrile
EP3405271B1 (en) Purificaton of mercaptans or thiophenes using dividing wall column distillation
TWI708629B (zh) 回收塔
WO2015191528A1 (en) Fouling reduction in the acetonitrile removal steps of acrylonitrile recovery
TWI709552B (zh) 回收塔控制（一）
JP6300387B1 (ja) アクリロニトリルの精製方法、製造方法、及び蒸留装置
JP5785728B2 (ja) 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