BR0312244A - Método para melhorar a seletividade de um catalisador e um processo para a epoxidação de uma olefina - Google Patents

Método para melhorar a seletividade de um catalisador e um processo para a epoxidação de uma olefina

Info

Publication number
BR0312244A
BR0312244A BR0312244-1A BR0312244A BR0312244A BR 0312244 A BR0312244 A BR 0312244A BR 0312244 A BR0312244 A BR 0312244A BR 0312244 A BR0312244 A BR 0312244A
Authority
BR
Brazil
Prior art keywords
catalyst
silver
oxygen
olefin
epoxidation process
Prior art date
Application number
BR0312244-1A
Other languages
English (en)
Other versions
BR0312244B1 (pt
Inventor
John Robert Lockemeyer
Donald Reinalda
Randall Clayton Yeates
Original Assignee
Shell Int Research
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30000913&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0312244(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of BR0312244A publication Critical patent/BR0312244A/pt
Publication of BR0312244B1 publication Critical patent/BR0312244B1/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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0213—Preparation of the impregnating solution
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/688—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with manganese, technetium or rhenium
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/12—Oxidising
    • B01J37/14—Oxidising with gases containing free oxygen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Epoxy Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"MéTODO PARA MELHORAR A SELETIVIDADE DE UM CATALISADOR E UM PROCESSO PARA A EPOXIDAçãO DE UMA OLEFINA". Método para melhorar a seletividade de um catalisador de epoxidação altamente seletivo suportado compreendendo prata em uma quantidade de no máximo 0,19 g por m^ 2^ de área de superficie do suporte, cujo método compreende - contatar o catalisador, ou um precursor do catalisador compreendendo a prata na forma catiónica, com um alimento compreendendo oxigênio em uma temperatura de catalisador acima de 250<198>C durante uma duração de até 150 horas, e - subseq³entemente diminuir a temperatura do catalisador para um valor de no máximo 250<198>C; e um processo para a epoxidação de uma olefina, cujo processo compreende - contatar um catalisador de epoxidação altamente seletivo suportado compreendendo prata em uma quantidade de no máximo 0,19 g por m^ 2^ de área de superfície do suporte, ou um precursor do catalisador compreendendo a prata na forma catiónica, com um alimento compreendendo oxigênio em uma temperatura do catalisador acima de 250<198>C durante uma duração de até 150 horas, e - subseq³entemente diminuir a temperatura do catalisador para um valor de no máximo 250<198>C e contatar o catalisador com o alimento compreendendo a olefina e o oxigênio.
BRPI0312244-1B1A 2002-06-28 2003-06-24 mÉtodo para melhorar a seletividade de um catalisador e um processo para a epoxidaÇço de uma olefina BR0312244B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39265702P 2002-06-28 2002-06-28
PCT/US2003/019827 WO2004002954A2 (en) 2002-06-28 2003-06-24 A method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin

Publications (2)

Publication Number Publication Date
BR0312244A true BR0312244A (pt) 2005-04-12
BR0312244B1 BR0312244B1 (pt) 2013-06-25

Family

ID=30000913

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0312244-1B1A BR0312244B1 (pt) 2002-06-28 2003-06-24 mÉtodo para melhorar a seletividade de um catalisador e um processo para a epoxidaÇço de uma olefina

Country Status (14)

Country Link
US (1) US7485597B2 (pt)
EP (1) EP1517751B2 (pt)
JP (1) JP4537848B2 (pt)
KR (1) KR100980123B1 (pt)
CN (1) CN100512966C (pt)
AU (1) AU2003243757A1 (pt)
BR (1) BR0312244B1 (pt)
CA (1) CA2491523C (pt)
DE (1) DE60332457D1 (pt)
IN (2) IN2004DE03876A (pt)
MX (1) MX256050B (pt)
RU (1) RU2314156C2 (pt)
TW (1) TWI317651B (pt)
WO (1) WO2004002954A2 (pt)

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AU2003243757A8 (en) 2004-01-19
BR0312244B1 (pt) 2013-06-25
CN1665594A (zh) 2005-09-07
US7485597B2 (en) 2009-02-03
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WO2004002954A3 (en) 2004-08-19
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US20040049061A1 (en) 2004-03-11
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CA2491523A1 (en) 2004-01-08
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