BR8604109A - Processo para regeneracao de catalisadores para a reducao em fase gasosa de compostos nitro aromaticos - Google Patents

Processo para regeneracao de catalisadores para a reducao em fase gasosa de compostos nitro aromaticos

Info

Publication number
BR8604109A
BR8604109A BR8604109A BR8604109A BR8604109A BR 8604109 A BR8604109 A BR 8604109A BR 8604109 A BR8604109 A BR 8604109A BR 8604109 A BR8604109 A BR 8604109A BR 8604109 A BR8604109 A BR 8604109A
Authority
BR
Brazil
Prior art keywords
regeneration
catalysts
aromatic compounds
nitro aromatic
gaseous reduction
Prior art date
Application number
BR8604109A
Other languages
English (en)
Inventor
Gunter Stammann
Zoltan Kricsfalussy
Helmut Waldmann
Joachim Schneider
Harald Medem
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR8604109A publication Critical patent/BR8604109A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/12—Treating with free oxygen-containing gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BR8604109A 1985-08-29 1986-08-28 Processo para regeneracao de catalisadores para a reducao em fase gasosa de compostos nitro aromaticos BR8604109A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853530820 DE3530820A1 (de) 1985-08-29 1985-08-29 Verfahren zur regeneration von katalysatoren fuer die gasphasenreduktion von aromatischen nitroverbindungen

Publications (1)

Publication Number Publication Date
BR8604109A true BR8604109A (pt) 1987-04-22

Family

ID=6279627

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8604109A BR8604109A (pt) 1985-08-29 1986-08-28 Processo para regeneracao de catalisadores para a reducao em fase gasosa de compostos nitro aromaticos

Country Status (5)

Country Link
US (1) US4714689A (pt)
EP (1) EP0212602B1 (pt)
JP (1) JPS6253745A (pt)
BR (1) BR8604109A (pt)
DE (2) DE3530820A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183821A (en) * 1983-09-19 1993-02-02 Laboratories Knoll, S.A. Method for treating leukemias using N-(2-dimethylaminoethyl)-3-amino-1,8-naphthalimide for treating leukemias and solid tumors
WO1993024224A1 (en) * 1992-05-28 1993-12-09 Imperial Chemical Industries Plc Treatment of hydrogenation catalysts
JP2669998B2 (ja) * 1992-09-22 1997-10-29 株式会社イノアックコーポレーション ディスクカートリッジ
US5849662A (en) * 1993-10-21 1998-12-15 Chulalongkorn University Catalyst comprising of element from group 1B and VIIIB activated by oxygen or oxygen containing compound
FR2771949B1 (fr) * 1997-12-08 2000-01-14 Inst Francais Du Petrole Procede de regeneration de catalyseur utilise pour la transformation des hydrocarbures
FR2771950B1 (fr) * 1997-12-08 2000-01-14 Inst Francais Du Petrole Procede de regeneration de catalyseurs et d'adsorbants
CN1080593C (zh) * 1998-08-06 2002-03-13 南京四力化工有限公司 流化床气相催化加氢催化剂无氮再生活化新方法
US6521791B1 (en) * 2001-11-09 2003-02-18 Air Products And Chemicals, Inc. Process for regenerating a monolith hydrogenation catalytic reactor
JP5092451B2 (ja) * 2007-02-28 2012-12-05 東ソー株式会社 水素化触媒の再生方法
CN101687181B (zh) * 2007-05-10 2012-12-12 巴斯夫欧洲公司 制备胺类的方法
DE102009019436A1 (de) * 2009-04-29 2010-11-04 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
EP2598241B1 (de) * 2010-07-30 2014-05-14 Bayer Intellectual Property GmbH Verfahren zur wiederherstellung von katalysatoraktivität
EP2653462A1 (de) * 2012-04-16 2013-10-23 Bayer MaterialScience AG Verfahren zum verbesserten Anfahren der Reaktion bei der Herstellung von aromatischen Aminen aus Nitroaromaten
CN111056949B (zh) * 2018-10-17 2021-05-11 中国石油化工股份有限公司 连续反应、再生、活化制苯胺反应装置及反应方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337348A (en) * 1929-07-23 1930-10-23 Cecil Howard Lander Improved method of treating activated charcoals
US2292879A (en) * 1939-08-05 1942-08-11 Solvay Process Co Production of aromatic amines
US2891094A (en) * 1955-02-17 1959-06-16 American Cyanamid Co New catalyst for reducing nitrobenzene and the process of reducing nitrobenzene thereover
US2822397A (en) * 1955-08-18 1958-02-04 Allied Chem & Dye Corp Catalytic hydrogenation of aromatic nitro compounds to amines
US2963443A (en) * 1958-05-29 1960-12-06 Universal Oil Prod Co Reactivation of molybdenum containing catalysts
US3243383A (en) * 1963-11-07 1966-03-29 Monsanto Co Process for regenerating catalysts
US3451942A (en) * 1965-12-06 1969-06-24 Standard Oil Co Catalyst-rejuvenation process
NL7114406A (pt) * 1970-10-22 1972-04-25
DE2459761A1 (de) * 1974-12-18 1976-07-01 Hoechst Ag Verfahren zur reaktivierung kupfer bzw. kupfer und chrom enthaltender hydrierkontakte
US4164481A (en) * 1978-01-27 1979-08-14 The Dow Chemical Company Process of regenerating a noble metal catalyst used in the reduction of organic nitro compounds

Also Published As

Publication number Publication date
EP0212602B1 (de) 1988-09-21
US4714689A (en) 1987-12-22
DE3660746D1 (en) 1988-10-27
JPS6253745A (ja) 1987-03-09
EP0212602A1 (de) 1987-03-04
DE3530820C2 (pt) 1988-07-21
DE3530820A1 (de) 1987-03-05

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