CA2759390C - Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these - Google Patents

Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these Download PDF

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Publication number
CA2759390C
CA2759390C CA2759390A CA2759390A CA2759390C CA 2759390 C CA2759390 C CA 2759390C CA 2759390 A CA2759390 A CA 2759390A CA 2759390 A CA2759390 A CA 2759390A CA 2759390 C CA2759390 C CA 2759390C
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Prior art keywords
temperature
catalyst
epoxidation
gas phase
concentration
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French (fr)
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CA2759390A1 (en
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Albert Cheng-Yu Liu
Liping Zhang
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Dow Technology Investments LLC
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Dow Technology Investments LLC
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    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/40—Special temperature treatment, i.e. other than just for template removal
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/70—Constitutive chemical elements of heterogeneous catalysts of Group VII (VIIB) of the Periodic Table
    • B01J2523/74—Rhenium

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  • 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)
CA2759390A 2009-04-21 2010-04-05 Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these Active CA2759390C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17120709P 2009-04-21 2009-04-21
US61/171,207 2009-04-21
PCT/US2010/029948 WO2010123675A1 (en) 2009-04-21 2010-04-05 Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these

Publications (2)

Publication Number Publication Date
CA2759390A1 CA2759390A1 (en) 2010-10-28
CA2759390C true CA2759390C (en) 2017-08-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2759390A Active CA2759390C (en) 2009-04-21 2010-04-05 Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these

Country Status (9)

Country Link
US (1) US8084632B2 (https=)
EP (1) EP2421839B1 (https=)
JP (1) JP5584284B2 (https=)
KR (1) KR101704079B1 (https=)
CN (1) CN102421766B (https=)
CA (1) CA2759390C (https=)
SG (1) SG175762A1 (https=)
TW (2) TWI625165B (https=)
WO (1) WO2010123675A1 (https=)

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US8546294B2 (en) * 2009-04-21 2013-10-01 Dow Technology Investments, Llc Rhenium-promoted epoxidation catalysts and methods of making and using them
US8742146B2 (en) * 2010-12-08 2014-06-03 Shell Oil Company Process for improving the selectivity of an EO catalyst
US8742147B2 (en) * 2010-12-08 2014-06-03 Shell Oil Company Process for improving the selectivity of an EO catalyst
US8884037B2 (en) 2010-12-10 2014-11-11 Dow Technology Investments Llc Method of reducing the value of an alkylene oxide production parameter in a process of making an alkylene oxide using a high efficiency catalyst
SG190901A1 (en) 2010-12-15 2013-07-31 Dow Technology Investments Llc Method of starting-up a process of producing an alkylene oxide using a high-efficiency catalyst
BR112013027585B1 (pt) * 2011-04-29 2020-09-29 Shell Internationale Research Maatschappij B.V Método para melhorar a seletividade de um catalisador de alta seletividade suportado usado na epoxidação de etileno e método para preparar um 1,2-diol, um 1,2-diol éter, um 1,2-carbonato ou uma alcanolamina
IN2014DN03028A (https=) * 2011-10-18 2015-05-08 AHMADI Hassan Eisa AL
CA2858551C (en) 2011-12-09 2021-10-26 Dow Technology Investments Llc Method of maintaining the value of an alkylene oxide production parameter in a process of making an alkylene oxide using a high efficiency catalyst
KR102155068B1 (ko) 2012-12-31 2020-09-11 사이언티픽 디자인 컴파니 인코포레이티드 고 선택성 산화에틸렌 촉매를 위한 스타트-업 공정
KR102155073B1 (ko) * 2013-01-11 2020-09-11 사이언티픽 디자인 컴파니 인코포레이티드 후-컨디셔닝 단계를 이용하는 에폭시화 공정
EP3302794A4 (en) 2015-06-02 2019-06-26 Scientific Design Company, Inc. epoxidation
CN106311234B (zh) * 2015-07-02 2018-11-30 中国石油化工股份有限公司 复合型银催化剂的制备方法、该催化剂及其应用
US10449520B2 (en) 2017-05-15 2019-10-22 Scientific Design Company, Inc. Porous bodies with enhanced crush strength
CN110357836B (zh) * 2018-03-26 2021-04-13 中国石油化工股份有限公司 一种环氧乙烷生产方法

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Also Published As

Publication number Publication date
EP2421839A1 (en) 2012-02-29
CN102421766A (zh) 2012-04-18
WO2010123675A1 (en) 2010-10-28
TWI625165B (zh) 2018-06-01
EP2421839B1 (en) 2014-05-07
CA2759390A1 (en) 2010-10-28
KR101704079B1 (ko) 2017-02-07
JP2012524656A (ja) 2012-10-18
TWI504440B (zh) 2015-10-21
TW201601837A (zh) 2016-01-16
US8084632B2 (en) 2011-12-27
SG175762A1 (en) 2011-12-29
KR20120006551A (ko) 2012-01-18
JP5584284B2 (ja) 2014-09-03
US20100267973A1 (en) 2010-10-21
CN102421766B (zh) 2015-03-25
TW201041652A (en) 2010-12-01

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