CA1034603A - Lavage a l'eau de composes nitro-aromatiques avant la reduction catalytique - Google Patents

Lavage a l'eau de composes nitro-aromatiques avant la reduction catalytique

Info

Publication number
CA1034603A
CA1034603A CA210,369A CA210369A CA1034603A CA 1034603 A CA1034603 A CA 1034603A CA 210369 A CA210369 A CA 210369A CA 1034603 A CA1034603 A CA 1034603A
Authority
CA
Canada
Prior art keywords
water washing
catalytic reduction
compounds prior
nitroaromatic compounds
nitroaromatic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA210,369A
Other languages
English (en)
Other versions
CA210369S (en
Inventor
Maurice W. Hunt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Allied Chemical Corp filed Critical Allied Chemical Corp
Application granted granted Critical
Publication of CA1034603A publication Critical patent/CA1034603A/fr
Expired legal-status Critical Current

Links

CA210,369A 1973-10-05 1974-09-30 Lavage a l'eau de composes nitro-aromatiques avant la reduction catalytique Expired CA1034603A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40373373A 1973-10-05 1973-10-05

Publications (1)

Publication Number Publication Date
CA1034603A true CA1034603A (fr) 1978-07-11

Family

ID=23596810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,369A Expired CA1034603A (fr) 1973-10-05 1974-09-30 Lavage a l'eau de composes nitro-aromatiques avant la reduction catalytique

Country Status (3)

Country Link
JP (1) JPS5062939A (fr)
CA (1) CA1034603A (fr)
IT (1) IT1020936B (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736514A1 (fr) 1995-04-04 1996-10-09 Josef Meissner GmbH & Co. Récupération d'acide nitrique dans les procédés de nitruration
US7632960B2 (en) 2005-11-21 2009-12-15 Poehlmann Juergen Process for the preparation of nitric esters of monohydric alcohols
WO2012156095A1 (fr) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Procédé et dispositif de purification de produits de nitration
WO2013160367A1 (fr) 2012-04-25 2013-10-31 Basf Se Procédé de lavage de dinitrotoluène
WO2015059185A1 (fr) 2013-10-22 2015-04-30 Basf Se Procédé de lavage acide de dinitrotoluène en présence de cyanure d'hydrogène
DE102015106617A1 (de) 2014-07-07 2016-01-07 Josef Meissner Gmbh & Co. Kg Verfahren zur Entfernung von Verunreinigungen aus Dinitrotoluolen
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
EP1935870B2 (fr) † 2006-12-19 2016-08-31 Covestro Deutschland AG Procédé destiné à la fabrication de toluènediamine par hydrogénisation catalytique de dinitrotoluènes

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736514A1 (fr) 1995-04-04 1996-10-09 Josef Meissner GmbH & Co. Récupération d'acide nitrique dans les procédés de nitruration
EP0736514B1 (fr) * 1995-04-04 2001-06-20 Josef Meissner GmbH & Co. Récupération d'acide nitrique dans les procédés de nitruration
US7632960B2 (en) 2005-11-21 2009-12-15 Poehlmann Juergen Process for the preparation of nitric esters of monohydric alcohols
EP1935870B2 (fr) † 2006-12-19 2016-08-31 Covestro Deutschland AG Procédé destiné à la fabrication de toluènediamine par hydrogénisation catalytique de dinitrotoluènes
WO2012156095A1 (fr) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Procédé et dispositif de purification de produits de nitration
DE102012009787A1 (de) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Verfahren und Vorrichtung zur Aufreinigung von Nitrierproduten
EP2772304A2 (fr) 2011-05-19 2014-09-03 Josef Meissner GmbH & Co. KG Dispositifs de nettoyage de produits de nitruration
EP2705020B1 (fr) 2011-05-19 2015-04-08 Josef Meissner GmbH & Co. KG Procédé et dispositif de purification de produits de nitration
CN104395280A (zh) * 2012-04-25 2015-03-04 巴斯夫欧洲公司 洗涤二硝基甲苯的方法
KR20150005641A (ko) * 2012-04-25 2015-01-14 바스프 에스이 디니트로톨루엔의 세정 방법
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
WO2013160367A1 (fr) 2012-04-25 2013-10-31 Basf Se Procédé de lavage de dinitrotoluène
CN104395280B (zh) * 2012-04-25 2016-11-02 巴斯夫欧洲公司 洗涤二硝基甲苯的方法
RU2627308C2 (ru) * 2012-04-25 2017-08-07 Басф Се Способ промывки динитротолуола
WO2015059185A1 (fr) 2013-10-22 2015-04-30 Basf Se Procédé de lavage acide de dinitrotoluène en présence de cyanure d'hydrogène
KR20160078387A (ko) * 2013-10-22 2016-07-04 바스프 에스이 시안화수소산의 존재하에 디니트로톨루엔의 산 스크러빙 방법
US9688606B2 (en) 2013-10-22 2017-06-27 Basf Se Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid
KR102282234B1 (ko) 2013-10-22 2021-07-27 바스프 에스이 시안화수소산의 존재하에 디니트로톨루엔의 산 스크러빙 방법
DE102015106617A1 (de) 2014-07-07 2016-01-07 Josef Meissner Gmbh & Co. Kg Verfahren zur Entfernung von Verunreinigungen aus Dinitrotoluolen

Also Published As

Publication number Publication date
IT1020936B (it) 1977-12-30
JPS5062939A (fr) 1975-05-29

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