JPS55157542A - Manufacture of toluenediamine - Google Patents

Manufacture of toluenediamine

Info

Publication number
JPS55157542A
JPS55157542A JP6329180A JP6329180A JPS55157542A JP S55157542 A JPS55157542 A JP S55157542A JP 6329180 A JP6329180 A JP 6329180A JP 6329180 A JP6329180 A JP 6329180A JP S55157542 A JPS55157542 A JP S55157542A
Authority
JP
Japan
Prior art keywords
toluenediamine
manufacture
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.)
Granted
Application number
JP6329180A
Other languages
English (en)
Other versions
JPS5736271B2 (ja
Inventor
Deitsutsuiani Kunzu Nansu
Arubaato Jiyonson Tomasu
Mirigan Baaton
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of JPS55157542A publication Critical patent/JPS55157542A/ja
Publication of JPS5736271B2 publication Critical patent/JPS5736271B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP6329180A 1979-05-14 1980-05-13 Manufacture of toluenediamine Granted JPS55157542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/038,976 US4224249A (en) 1979-05-14 1979-05-14 Toluene diamine from non-washed dinitrotoluene

Publications (2)

Publication Number Publication Date
JPS55157542A true JPS55157542A (en) 1980-12-08
JPS5736271B2 JPS5736271B2 (ja) 1982-08-03

Family

ID=21902990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6329180A Granted JPS55157542A (en) 1979-05-14 1980-05-13 Manufacture of toluenediamine

Country Status (5)

Country Link
US (1) US4224249A (ja)
EP (1) EP0019454B1 (ja)
JP (1) JPS55157542A (ja)
CA (1) CA1127185A (ja)
DE (1) DE3061993D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015519317A (ja) * 2012-04-25 2015-07-09 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ジニトロトルエンを洗浄する方法

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482769A (en) * 1983-09-16 1984-11-13 Air Products And Chemicals, Inc. Reducing 2,4-dinitroortho-cresol in effluent stream from dinitrotoluene process
US4935557A (en) * 1984-08-07 1990-06-19 Air Products And Chemicals, Inc. Conitration of mixed aromatic hydrocarbons
US4597875A (en) * 1985-05-07 1986-07-01 Air Products And Chemicals, Inc. Precipitative removal of nitrocresols from dinitrotoluene waste streams
US4604214A (en) * 1985-08-16 1986-08-05 Air Products And Chemicals, Inc. Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent
CN1027191C (zh) * 1990-01-31 1994-12-28 西屋电气公司 自动伪主相量发生器
DE19528781A1 (de) * 1995-08-04 1997-02-06 Bayer Ag Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat
US6179996B1 (en) 1998-05-22 2001-01-30 Membrane Technology And Research, Inc. Selective purge for hydrogenation reactor recycle loop
DE102006060572A1 (de) * 2006-12-19 2008-06-26 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiaminen durch katalytische Hydrierung von Dinitrotoluolen
CN101678337B (zh) * 2007-05-29 2012-12-19 赢创德固赛有限责任公司 活化的碱金属催化剂
US9643162B2 (en) * 2007-05-29 2017-05-09 Evonik Degussa Gmbh Activated base metal catalysts
EP2148741A1 (en) * 2007-05-29 2010-02-03 Evonik Degussa GmbH Activated base metal catalysts
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
US9108182B2 (en) * 2007-10-15 2015-08-18 Evonik Degussa Gmbh Fast filtering powder catalytic mixtures
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
CN103480370A (zh) * 2012-06-15 2014-01-01 中国石油化工股份有限公司 一种催化加氢用碳载钯铂金属催化剂的制备方法
DE102015106617B4 (de) 2014-07-07 2017-09-21 Josef Meissner Gmbh & Co. Kg Verfahren zur Aufreinigung von Rohdinitrotoluolen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976320A (en) * 1957-07-30 1961-03-21 Allied Chem Catalytic hydrogenation of the dinitro derivatives of toluene
FR1482056A (fr) * 1966-03-10 1967-05-26 Melle Usines Sa Procédé d'hydrogénation
DE1915272C3 (de) * 1969-03-26 1979-09-06 Bayer Ag, 5090 Leverkusen Verfahren zum Entfernen nitrophenolischer Verbindungen aus der bei der Herstellung von Nitrobenzolen anfallenden Waschlauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015519317A (ja) * 2012-04-25 2015-07-09 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ジニトロトルエンを洗浄する方法

Also Published As

Publication number Publication date
CA1127185A (en) 1982-07-06
EP0019454A3 (en) 1981-06-10
EP0019454A2 (en) 1980-11-26
JPS5736271B2 (ja) 1982-08-03
US4224249A (en) 1980-09-23
EP0019454B1 (en) 1983-02-16
DE3061993D1 (en) 1983-03-24

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