CA1034603A - Water washing of nitroaromatic compounds prior to catalytic reduction - Google Patents

Water washing of nitroaromatic compounds prior to catalytic reduction

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
French (fr)
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/en
Expired legal-status Critical Current

Links

CA210,369A 1973-10-05 1974-09-30 Water washing of nitroaromatic compounds prior to catalytic reduction Expired CA1034603A (en)

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 (en) 1978-07-11

Family

ID=23596810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,369A Expired CA1034603A (en) 1973-10-05 1974-09-30 Water washing of nitroaromatic compounds prior to catalytic reduction

Country Status (3)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736514A1 (en) 1995-04-04 1996-10-09 Josef Meissner GmbH & Co. Nitric acid recovery from nitriding processes
US7632960B2 (en) 2005-11-21 2009-12-15 Poehlmann Juergen Process for the preparation of nitric esters of monohydric alcohols
WO2012156095A1 (en) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Method and apparatus for purifying nitration products
WO2013160367A1 (en) 2012-04-25 2013-10-31 Basf Se Method for dinitrotoluene washes
WO2015059185A1 (en) 2013-10-22 2015-04-30 Basf Se Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid
DE102015106617A1 (en) 2014-07-07 2016-01-07 Josef Meissner Gmbh & Co. Kg Process for removing impurities from dinitrotoluenes
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
EP1935870B2 (en) † 2006-12-19 2016-08-31 Covestro Deutschland AG Process for preparing toluenediamines by catalytic hydrogenation

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736514A1 (en) 1995-04-04 1996-10-09 Josef Meissner GmbH & Co. Nitric acid recovery from nitriding processes
EP0736514B1 (en) * 1995-04-04 2001-06-20 Josef Meissner GmbH & Co. Nitric acid recovery from nitriding processes
US7632960B2 (en) 2005-11-21 2009-12-15 Poehlmann Juergen Process for the preparation of nitric esters of monohydric alcohols
EP1935870B2 (en) † 2006-12-19 2016-08-31 Covestro Deutschland AG Process for preparing toluenediamines by catalytic hydrogenation
WO2012156095A1 (en) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Method and apparatus for purifying nitration products
DE102012009787A1 (en) 2011-05-19 2012-11-22 Josef Meissner Gmbh & Co. Kg Process and apparatus for purifying nitriding products
EP2772304A2 (en) 2011-05-19 2014-09-03 Josef Meissner GmbH & Co. KG Devices for the purification of nitration products
EP2705020B1 (en) 2011-05-19 2015-04-08 Josef Meissner GmbH & Co. KG Method and apparatus for purifying nitration products
CN104395280A (en) * 2012-04-25 2015-03-04 巴斯夫欧洲公司 Method for dinitrotoluene washes
KR20150005641A (en) * 2012-04-25 2015-01-14 바스프 에스이 Process for washing dinitrotoluene
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
WO2013160367A1 (en) 2012-04-25 2013-10-31 Basf Se Method for dinitrotoluene washes
CN104395280B (en) * 2012-04-25 2016-11-02 巴斯夫欧洲公司 The method of washing dinitrotoluene (DNT)
RU2627308C2 (en) * 2012-04-25 2017-08-07 Басф Се Washing method of dinitrotoluene
WO2015059185A1 (en) 2013-10-22 2015-04-30 Basf Se Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid
KR20160078387A (en) * 2013-10-22 2016-07-04 바스프 에스이 Process for the acid scrub of dinitrotoluene in the presence of hydrocyanic acid
US9688606B2 (en) 2013-10-22 2017-06-27 Basf Se Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid
KR102282234B1 (en) 2013-10-22 2021-07-27 바스프 에스이 Process for the acid scrub of dinitrotoluene in the presence of hydrocyanic acid
DE102015106617A1 (en) 2014-07-07 2016-01-07 Josef Meissner Gmbh & Co. Kg Process for removing impurities from dinitrotoluenes

Also Published As

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

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