BR0112284A - Processo para regeneração de catalisadores zeolìticos e uso do catalisador degenerado - Google Patents

Processo para regeneração de catalisadores zeolìticos e uso do catalisador degenerado

Info

Publication number
BR0112284A
BR0112284A BR0112284-3A BR0112284A BR0112284A BR 0112284 A BR0112284 A BR 0112284A BR 0112284 A BR0112284 A BR 0112284A BR 0112284 A BR0112284 A BR 0112284A
Authority
BR
Brazil
Prior art keywords
catalyst
regeneration
degenerate
zeolitic catalysts
zeolitic
Prior art date
Application number
BR0112284-3A
Other languages
English (en)
Inventor
Carlo Perego
Alberto De Angelis
Otello Farias
Aldo Bosetti
Original Assignee
Dow Global Technologies 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 Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of BR0112284A publication Critical patent/BR0112284A/pt

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
    • C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/90—Regeneration or reactivation
    • 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
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/50—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/54—Preparation of compounds containing amino groups bound to a carbon skeleton by rearrangement reactions
    • 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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

"PROCESSO PARA REGENERAçãO DE CATALISADORES ZEOLìTICOS E USO DO CATALISADOR DEGENERADO". Um processo para a regeneração de um catalisador zeolítico que está parcialmente exaurido por uso na síntese de metilenodianilina (MDA) opcionalmente substituída e derivados da mesma, ou de uma mistura de MDA opcionalmente substituída e derivados da mesma, com um produto homólogo superior o processo envolvendo lavar o dito catalisador com um composto aromático tendo pelo menos um substituinte no anel aromático tendo características ativadoras com respeito à substituição eletrofílica, em fase líquida ou pelo menos parcialmente líquida.
BR0112284-3A 2000-06-22 2001-06-22 Processo para regeneração de catalisadores zeolìticos e uso do catalisador degenerado BR0112284A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI001404A IT1318591B1 (it) 2000-06-22 2000-06-22 Procedimento per la rigenerazione di catalizzatori zeolitici.
PCT/EP2001/007113 WO2001097969A1 (en) 2000-06-22 2001-06-22 Process for the regeneration of zeolitic catalysts

Publications (1)

Publication Number Publication Date
BR0112284A true BR0112284A (pt) 2003-05-13

Family

ID=11445318

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0112284-3A BR0112284A (pt) 2000-06-22 2001-06-22 Processo para regeneração de catalisadores zeolìticos e uso do catalisador degenerado

Country Status (12)

Country Link
US (1) US7115537B2 (pt)
EP (1) EP1294481B1 (pt)
JP (1) JP2003535687A (pt)
KR (1) KR100797386B1 (pt)
CN (1) CN1240476C (pt)
AT (1) ATE368516T1 (pt)
AU (1) AU2001283878A1 (pt)
BR (1) BR0112284A (pt)
DE (1) DE60129696T2 (pt)
IT (1) IT1318591B1 (pt)
PT (1) PT1294481E (pt)
WO (1) WO2001097969A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011143A1 (it) 2001-05-30 2002-11-30 Enitecnologie Spa Processo per la preparazionee di bisfenoli con zeoliti
CN101428235B (zh) * 2007-11-07 2010-10-27 中国石油化工股份有限公司 分子筛类催化剂的再生方法
EP2421816A2 (de) 2009-04-20 2012-02-29 Basf Se Verfahren zur herstellung von methylendiphenyldiamin (mda) über die stufe des aminals
EP3166922B1 (en) 2014-07-07 2018-03-14 Covestro Deutschland AG Process for the production of di- and polyamines of the diphenylmethane series

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308014A1 (de) * 1973-02-17 1974-08-22 Bayer Ag Verfahren zur herstellung von diaminodiarylmethanen
US5241119A (en) * 1986-10-22 1993-08-31 Eniricerche S.P.A. Process for the preparation of 4,4'-diaminodiphenyl-methane and its derivatives
US4908341A (en) * 1986-12-04 1990-03-13 Mobil Oil Corp. Method for reactivating spent catalyst by contact with one or more aromatic compounds

Also Published As

Publication number Publication date
US7115537B2 (en) 2006-10-03
DE60129696T2 (de) 2008-04-30
PT1294481E (pt) 2007-11-02
CN1437507A (zh) 2003-08-20
KR100797386B1 (ko) 2008-01-24
KR20030047904A (ko) 2003-06-18
EP1294481A1 (en) 2003-03-26
EP1294481B1 (en) 2007-08-01
IT1318591B1 (it) 2003-08-27
JP2003535687A (ja) 2003-12-02
ITMI20001404A0 (it) 2000-06-22
CN1240476C (zh) 2006-02-08
WO2001097969A1 (en) 2001-12-27
AU2001283878A1 (en) 2002-01-02
WO2001097969A8 (en) 2002-03-28
US20040092772A1 (en) 2004-05-13
ITMI20001404A1 (it) 2001-12-22
ATE368516T1 (de) 2007-08-15
DE60129696D1 (de) 2007-09-13

Similar Documents

Publication Publication Date Title
BR0210253A (pt) Processo para telomerização de olefinas não-cìclicas
BR0112093A (pt) Derivados de sulfonil-pirrolidina úteis no tratamento de distúrbios neurológicos
BR0308653A (pt) Cristais de derivado de benzeno de glicopiranosiloxibenzila
BR9813544A (pt) Adesivo com endurecimento em estágios múltiplos e uso do mesmo na produção de materiais compostos
BR9812944A (pt) Inibidores bicìclicos da cinase
BR0114242A (pt) Recuperação de um monossacarìdeo de uma solução pelo uso de uma resina fracamente ácida de troca catiÈnica para a separação por cromatografia
ES2159491B1 (es) Base cristalina de citalopram
BR0109028A (pt) Reator tubular, processo para conduzir reações polifásicas lìquido/ lìquido num reator tubular, e processo para compostos aromáticos com nitração no anel num reator tubular
BR0213079A (pt) Forma de dosagem para o tratamento da diabetes mellitus
BR0108600A (pt) Composto, processo para a preparação do mesmo, composição farmacêutica, processo para a preparação da mesma, uso de um composto, e, métodos para tratamento de uma doença mediada por quimiocina e para tratamento de uma doença inflamatória
BR9713704A (pt) Ceto-benzamida, uso da mesma, e, preparação de droga
ES2194314T3 (es) Derivados de benzopirano sustituidos para el tratamiento de inflamaciones.
BR9910573A (pt) Compostos antipicornavirais, preparação e uso dos mesmos
BR9810829B1 (pt) composto heterocìclico, processo para preparar o mesmo, composição farmacêutica, e, uso de um composto ou de uma composição farmacêutica.
BRPI0411026A (pt) processo seletivo de hidrogenação e catalisador para o mesmo
BR0206847A (pt) Tratamento do diabete melito
BR0211863A (pt) 1-alquil ou 1-cicloalquiltriazolo[4,3a]quinazolin-5-onas como inibidores da fosfodiesterase
BR9808899A (pt) Bases fotoativáveis contendo nitrogênio à base de alfa-amino alquenos
BRPI0417948A (pt) derivados de quinuclidina substituìda por bicicloheterociclo fundido
BR0013316A (pt) Derivados substituìdos de 2-dialquilaminoalquilbifenila, seu processo de fabricação e seu uso.
BR0013311A (pt) Derivados substituìdos de 1,5-dihidropirrol-2-ona eficazes como antagonistas de receptores nmda para o tratamento de estados de dor
BR0014808A (pt) Processos de preparação de um composto, e, compostos nitroaromáticos
BR0213027A (pt) Método para preparar compostos benzenosulfonila
BR0317159A (pt) Composição catalìtica, e, processos para preparar as composições catalìticas, para a transalquilação de hidrocarbonetos aromáticos, e para preparar hidrocarbonetos aromáticos mono-alquilados
ES2189489T3 (es) Uso de derivados n-acilvainillinamidicos como agonistas de receptores cb1 perifericos de cannabinoides.

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]