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 catalytiqueInfo
- 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
Links
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)
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 |
-
1974
- 1974-09-30 CA CA210,369A patent/CA1034603A/fr not_active Expired
- 1974-10-04 IT IT6996974A patent/IT1020936B/it active
- 1974-10-05 JP JP11432774A patent/JPS5062939A/ja active Pending
Cited By (19)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EG11050A (en) | Treatment of water | |
ZA74515B (en) | High-solids water process | |
CA1032558A (fr) | Transformation de composes carbonyles en aromatiques | |
ZA741486B (en) | Oxidation of cellulose | |
PH15297A (en) | Process for the purification of water | |
GB1404115A (en) | Synthesis of urea | |
CA1034603A (fr) | Lavage a l'eau de composes nitro-aromatiques avant la reduction catalytique | |
AU7316474A (en) | Purification of waste water | |
PH14446A (en) | Homogeneous catalytic reduction of 6-methylenetetracyclines | |
ZA741950B (en) | Water treatment | |
YU36673B (en) | Process for the purification of waste water | |
IL44879A0 (en) | Process for the catalytic conversion of substances in aqueous solution | |
GB1407933A (en) | Sulphenylation of n-arylheterocyclic compounds | |
CA1002536A (en) | Hydrogenation of benzonitrile to dibenzylamine | |
AU7211674A (en) | Storage of water | |
ZA741777B (en) | Water purification process | |
ZA744293B (en) | Acid purification | |
EG11716A (en) | Purification of water | |
EG11064A (en) | Homogeneous catalytic reduction of 6-methylenetetracyclines | |
AU7209274A (en) | Purification of aluminium | |
ZA74628B (en) | Homogeneous catalytic reduction of 6-methylenetetracyclines | |
AU484736B2 (en) | Improvements relating to catalytic reactors | |
AU479241B2 (en) | Treatment of water to prevent the deposition of scale | |
AU7327374A (en) | Water treatment | |
AU6455674A (en) | Improvements relating to catalytic reactors |