EA201692339A1 - Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила - Google Patents

Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила

Info

Publication number
EA201692339A1
EA201692339A1 EA201692339A EA201692339A EA201692339A1 EA 201692339 A1 EA201692339 A1 EA 201692339A1 EA 201692339 A EA201692339 A EA 201692339A EA 201692339 A EA201692339 A EA 201692339A EA 201692339 A1 EA201692339 A1 EA 201692339A1
Authority
EA
Eurasian Patent Office
Prior art keywords
pollution
stages
extraction
removal
reduction
Prior art date
Application number
EA201692339A
Other languages
English (en)
Other versions
EA034228B1 (ru
Inventor
Тимоти Роберт Макдонел
Джей Роберт Коуч
Дэвид Рудольф Вагнер
Пол Тригг Вачтендорф
Original Assignee
ИНЕОС Юроп АГ
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 ИНЕОС Юроп АГ filed Critical ИНЕОС Юроп АГ
Publication of EA201692339A1 publication Critical patent/EA201692339A1/ru
Publication of EA034228B1 publication Critical patent/EA034228B1/ru

Links

Classifications

    • 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
    • B01D3/4211—Regulation; Control of columns
    • B01D3/4216—Head stream
    • 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

Abstract

Описан способ, включающий добавление кислоты в поток флегмы и подачу потока флегмы во фракционирующую колонну для ацетонитрила, причем кислота снижает загрязнение во фракционирующей колонне для ацетонитрила.
EA201692339A 2014-06-11 2015-06-09 Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила EA034228B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410256722.3A CN104107559A (zh) 2014-06-11 2014-06-11 丙烯腈回收的乙腈移除步骤中的污染减轻
PCT/US2015/034826 WO2015191528A1 (en) 2014-06-11 2015-06-09 Fouling reduction in the acetonitrile removal steps of acrylonitrile recovery

Publications (2)

Publication Number Publication Date
EA201692339A1 true EA201692339A1 (ru) 2017-06-30
EA034228B1 EA034228B1 (ru) 2020-01-20

Family

ID=51704669

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201692339A EA034228B1 (ru) 2014-06-11 2015-06-09 Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила

Country Status (7)

Country Link
JP (1) JP6761758B2 (ru)
CN (2) CN109499085A (ru)
EA (1) EA034228B1 (ru)
SA (1) SA516380473B1 (ru)
TR (1) TR201617300T1 (ru)
TW (1) TWI715532B (ru)
WO (1) WO2015191528A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109499085A (zh) * 2014-06-11 2019-03-22 英尼奥斯欧洲股份公司 丙烯腈回收的乙腈移除步骤中的污染减轻
CN105425849B (zh) * 2015-08-03 2020-06-26 英尼奥斯欧洲股份公司 急冷塔pH控制
CN106892838A (zh) * 2015-12-17 2017-06-27 英尼奥斯欧洲股份公司 回收塔控制
CN107941039B (zh) * 2016-10-12 2020-03-03 英尼奥斯欧洲股份公司 骤冷塔后冷却器
EP3530647A4 (en) * 2016-10-21 2019-10-16 Asahi Kasei Kabushiki Kaisha CLEANING METHOD, PRODUCTION METHOD AND DISTILLATION DEVICE FOR ACRYLNITRILE

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TW382005B (en) 1996-04-30 2000-02-11 Standard Oil Co Ohio Process for recovery and recycle of ammonia from an acrylonitrile reactor refluent stream using an ammonium phosphate quench system
CN1059897C (zh) * 1997-11-13 2000-12-27 中国石油化工总公司 烯腈的回收和精制工艺
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CN109499085A (zh) * 2014-06-11 2019-03-22 英尼奥斯欧洲股份公司 丙烯腈回收的乙腈移除步骤中的污染减轻
CN204233802U (zh) * 2014-06-11 2015-04-01 英尼奥斯欧洲股份公司 用于在丙烯腈回收中减轻乙腈分馏塔中的污染的设备

Also Published As

Publication number Publication date
CN104107559A (zh) 2014-10-22
JP6761758B2 (ja) 2020-09-30
EA034228B1 (ru) 2020-01-20
CN109499085A (zh) 2019-03-22
WO2015191528A1 (en) 2015-12-17
TR201617300T1 (tr) 2019-03-21
SA516380473B1 (ar) 2021-02-21
TWI715532B (zh) 2021-01-11
TW201605774A (zh) 2016-02-16
JP2017519002A (ja) 2017-07-13

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Designated state(s): AM AZ KZ KG TJ TM