EA034228B1 - Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила - Google Patents

Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила Download PDF

Info

Publication number
EA034228B1
EA034228B1 EA201692339A EA201692339A EA034228B1 EA 034228 B1 EA034228 B1 EA 034228B1 EA 201692339 A EA201692339 A EA 201692339A EA 201692339 A EA201692339 A EA 201692339A EA 034228 B1 EA034228 B1 EA 034228B1
Authority
EA
Eurasian Patent Office
Prior art keywords
stream
acetonitrile
acid
fractionation column
reflux
Prior art date
Application number
EA201692339A
Other languages
English (en)
Russian (ru)
Other versions
EA201692339A1 (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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 EA201692339A1 (ru) 2017-06-30
EA034228B1 true 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 (zh)
CN (2) CN104107559A (zh)
EA (1) EA034228B1 (zh)
SA (1) SA516380473B1 (zh)
TR (1) TR201617300T1 (zh)
TW (1) TWI715532B (zh)
WO (1) WO2015191528A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104107559A (zh) * 2014-06-11 2014-10-22 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
KR101914914B1 (ko) * 2016-10-21 2018-11-02 아사히 가세이 가부시키가이샤 아크릴로니트릴의 정제 방법, 제조 방법 및 증류 장치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257445A (en) * 1960-06-23 1966-06-21 Ruhrchemie Ag Purification of acrylonitrile
JPS5955863A (ja) * 1982-09-24 1984-03-31 Asahi Chem Ind Co Ltd メタクリロニトリルの精製回収方法
US6793776B2 (en) * 1999-01-08 2004-09-21 The Standard Oil Company Operation of heads column
WO2005070880A1 (en) * 2004-01-09 2005-08-04 The Standard Oil Company Process for the purification of olefinically unsaturated nitriles
CN104107559A (zh) * 2014-06-11 2014-10-22 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

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051080A (zh) 1964-08-14
US3399120A (en) 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
IT836749A (zh) 1967-06-24
US4377444A (en) * 1970-04-16 1983-03-22 The Standard Oil Co. Recovery and purification of olefinic nitriles
US3936360A (en) 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
US3885928A (en) * 1973-06-18 1975-05-27 Standard Oil Co Ohio Acrylonitrile and methacrylonitrile recovery and purification system
US4166008A (en) 1977-07-29 1979-08-28 The Standard Oil Company Process for recovery of olefinic nitriles
US4238295A (en) * 1978-12-04 1980-12-09 Standard Oil Company Energy efficient recovery of acrylonitrile
JPS55104243A (en) * 1979-02-06 1980-08-09 Asahi Chem Ind Co Ltd Purification of olefinic unsaturated nitrile
JPS55150192A (en) 1979-05-08 1980-11-21 Nec Corp Memory unit
US4334965A (en) 1980-12-31 1982-06-15 Standard Oil Company Process for recovery of olefinic nitriles
US4341535A (en) 1981-01-02 1982-07-27 The Standard Oil Co. Ammonium sulfate recovery process
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
CN1055918C (zh) * 1997-11-13 2000-08-30 中国石油化工总公司 烯腈急冷工艺
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
EP0937707B1 (en) * 1998-02-23 2003-04-16 The Standard Oil Company Improved purification and recovery of acetonitrile
JP3926081B2 (ja) * 2000-02-01 2007-06-06 株式会社タクマ アクリロニトリルの回収方法と回収装置
JP5364884B2 (ja) * 2008-02-25 2013-12-11 三菱レイヨン株式会社 （メタ）アクリロニトリルの製造方法
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
CN103102260B (zh) * 2011-11-11 2015-01-21 山东鲁北药业有限公司 一种合成s-扁桃酸的工艺
CN102583393B (zh) * 2012-02-27 2013-07-31 天津大学 一种三氯氢硅提纯的双热泵精馏装置及操作方法
CN103224456B (zh) * 2013-04-08 2015-04-22 江苏九天高科技股份有限公司 一种渗透汽化法精制乙腈的工艺及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257445A (en) * 1960-06-23 1966-06-21 Ruhrchemie Ag Purification of acrylonitrile
JPS5955863A (ja) * 1982-09-24 1984-03-31 Asahi Chem Ind Co Ltd メタクリロニトリルの精製回収方法
US6793776B2 (en) * 1999-01-08 2004-09-21 The Standard Oil Company Operation of heads column
WO2005070880A1 (en) * 2004-01-09 2005-08-04 The Standard Oil Company Process for the purification of olefinically unsaturated nitriles
CN104107559A (zh) * 2014-06-11 2014-10-22 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
EA201692339A1 (ru) 2017-06-30
TW201605774A (zh) 2016-02-16
WO2015191528A1 (en) 2015-12-17
CN104107559A (zh) 2014-10-22
TR201617300T1 (tr) 2019-03-21
SA516380473B1 (ar) 2021-02-21
CN109499085A (zh) 2019-03-22
JP2017519002A (ja) 2017-07-13
JP6761758B2 (ja) 2020-09-30
TWI715532B (zh) 2021-01-11

Similar Documents

Publication Publication Date Title
EA034228B1 (ru) Снижение загрязнения на стадиях удаления ацетонитрила при извлечении акрилонитрила
RU2736379C1 (ru) Способ очистки, способ получения и устройство для дистилляции акрилонитрила
RU2247718C2 (ru) Способ получения ненасыщенного мононитрила (варианты)
CN101857553B (zh) (甲基)丙烯腈的回收方法
US20160347625A1 (en) Method for separating hydrogen sulfide and ammonia dissolved in sour waters
JP4463330B2 (ja) アクリロニトリルの精製法
JP2011063607A (ja) 不飽和モノニトリル類の回収及び精製中に重合を阻止する方法
UA123549C2 (uk) Контролювання кількості біурету, що виробляється під час виробництва карбаміду
RU2696386C2 (ru) Испарительная установка для технологического потока
RU2720311C2 (ru) РЕГУЛИРОВАНИЕ pH ЗАКАЛОЧНОЙ КОЛОННЫ
JP2004217656A (ja) 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
JP2016506969A (ja) プロペンの不均一系触媒反応による酸化のプロセスガスからのアクロレインの分離方法
EA025632B1 (ru) Способ получения смеси, содержащей циклогексанол и циклогексанон
KR20180095026A (ko) 회수 탑 제어
RU2709618C2 (ru) Испарительная установка для технологического потока
TWI713466B (zh) 蒸發方法
JPS6048505B2 (ja) アクリロニトリルおよびメタクリロニトリルの回収および精製
RU2801385C2 (ru) Испарительная установка для технологического потока
RU2258695C2 (ru) Способ извлечения органического материала, содержащего цианистый водород
JP2001121138A (ja) 廃水の処理方法
KR790001867B1 (ko) 산성가스 제거방법
JP2000026389A (ja) アクリロニトリルまたはメタクリロニトリルの製造法

Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

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