ATE320851T1 - Verfahren zur standzeitverlängerung eines hydro- oxidationskatalysators - Google Patents

Verfahren zur standzeitverlängerung eines hydro- oxidationskatalysators

Info

Publication number
ATE320851T1
ATE320851T1 AT02748279T AT02748279T ATE320851T1 AT E320851 T1 ATE320851 T1 AT E320851T1 AT 02748279 T AT02748279 T AT 02748279T AT 02748279 T AT02748279 T AT 02748279T AT E320851 T1 ATE320851 T1 AT E320851T1
Authority
AT
Austria
Prior art keywords
hydro
support
catalyst
oxidation catalyst
extensing
Prior art date
Application number
AT02748279T
Other languages
English (en)
Inventor
David G Barton
George E Hartwell
Howard W Clark
Robert G Bowman
Alex Kuperman
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
Application granted granted Critical
Publication of ATE320851T1 publication Critical patent/ATE320851T1/de

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J33/00Protection of catalysts, e.g. by coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063Titanium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/66Silver or gold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/89Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0201Oxygen-containing compounds
    • B01J31/0209Esters of carboxylic or carbonic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0272Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
    • B01J31/0274Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 containing silicon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0272Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
    • B01J31/0275Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 also containing elements or functional groups covered by B01J31/0201 - B01J31/0269
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0201Impregnation
    • B01J37/0203Impregnation the impregnation liquid containing organic compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08Synthesis 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
    • C07D301/10Synthesis 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/12After treatment, characterised by the effect to be obtained to alter the outside of the crystallites, e.g. selectivation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/18After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/32Reaction with silicon compounds, e.g. TEOS, siliconfluoride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • B01J2231/72Epoxidation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Epoxy Compounds (AREA)
AT02748279T 2001-08-01 2002-07-31 Verfahren zur standzeitverlängerung eines hydro- oxidationskatalysators ATE320851T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30934501P 2001-08-01 2001-08-01

Publications (1)

Publication Number Publication Date
ATE320851T1 true ATE320851T1 (de) 2006-04-15

Family

ID=23197830

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02748279T ATE320851T1 (de) 2001-08-01 2002-07-31 Verfahren zur standzeitverlängerung eines hydro- oxidationskatalysators

Country Status (11)

Country Link
US (1) US7122491B2 (de)
EP (1) EP1453605B1 (de)
JP (1) JP4307253B2 (de)
KR (1) KR100901282B1 (de)
CN (1) CN1231296C (de)
AT (1) ATE320851T1 (de)
AU (1) AU2002317607A1 (de)
BR (1) BR0211796A (de)
DE (1) DE60210087T2 (de)
ES (1) ES2260459T3 (de)
WO (1) WO2003011454A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6821923B1 (en) 1999-04-08 2004-11-23 Dow Global Technologies Inc. Method of preparing a catalyst containing gold and titanium
US7419928B2 (en) * 2003-04-11 2008-09-02 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
US7361619B2 (en) * 2003-04-11 2008-04-22 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
RU2445159C2 (ru) * 2006-11-17 2012-03-20 Дау Глобал Текнолоджиз Инк. Способ гидроокисления с использованием катализатора, полученного из кластерного комплекса золота
JP2010159245A (ja) * 2008-09-19 2010-07-22 Sumitomo Chemical Co Ltd 酸化化合物の製造方法
TWI377981B (en) * 2009-01-15 2012-12-01 Univ Nat Changhua Education Metal oxide nanotube-supported gold catalyst and preparing method thereof
US20100311571A1 (en) * 2009-01-16 2010-12-09 Quantumsphere, Inc. Methods of making catalytic materials by dispersion of nanoparticles onto support structures
WO2010083342A1 (en) * 2009-01-16 2010-07-22 Quantumsphere, Inc. Catalysts by dispersion of nanoparticles onto support structures
CN102741207B (zh) * 2009-10-29 2015-12-02 帝国科技及医学学院 C1-c3烷烃的选择性催化氧化
KR101107504B1 (ko) * 2011-08-29 2012-01-31 주식회사크러텍 플라스틱 스크랩에 혼합된 분진제거장치
CN103801326B (zh) * 2012-11-14 2016-03-02 国家纳米科学中心 一种负载型纳米金催化剂及其制备方法
WO2018186491A1 (ja) * 2017-04-07 2018-10-11 住友化学株式会社 チタン含有珪素酸化物の製造方法、エポキシドの製造方法、及びチタン含有珪素酸化物
DE102017208639A1 (de) 2017-05-22 2018-06-07 Audi Ag Verfahren zur Reaktivierung von Abgaskatalysatoren
US11589610B2 (en) 2019-12-15 2023-02-28 Shaheen Innovations Holding Limited Nicotine delivery device having a mist generator device and a driver device

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923843A (en) 1972-03-13 1975-12-02 Shell Oil Co Epoxidation process with improved heterogeneous catalyst
US5145403A (en) * 1991-06-26 1992-09-08 Meter Devices Company, Inc. Safety cover for meter socket
DE4425672A1 (de) * 1994-07-20 1996-01-25 Basf Ag Oxidationskatalysator, Verfahren zu seiner Herstellung und Oxidationsverfahren unter Verwendung des Oxidationskatalysators
JP2615432B2 (ja) 1994-10-28 1997-05-28 工業技術院長 金−酸化チタン含有触媒による炭化水素の部分酸化方法
JP3658790B2 (ja) 1995-03-30 2005-06-08 住友化学株式会社 触媒及びオキシラン化合物の製造方法
DE19600708A1 (de) 1996-01-11 1997-07-17 Basf Ag Oxidationskatalysator mit einem Gehalt an Lanthanoidmetallen, Verfahren zu seiner Herstellung und Oxidationsverfahren unter Verwendung des Oxidationskatalysators
EP0827779A4 (de) 1996-03-21 1999-06-30 Agency Ind Science Techn Katalysatoren und methode zur teiloxidation von kohlenwasserstoffen
JP4026884B2 (ja) * 1996-06-07 2007-12-26 旭化成株式会社 メソポア分子ふるい、およびその製造方法
WO1997046743A1 (en) * 1996-06-07 1997-12-11 Asahi Kasei Kogyo Kabushiki Kaisha Mesopore molecular sieve and process for the production thereof
DE19623609A1 (de) 1996-06-13 1997-12-18 Basf Ag Oxidationskatalysator und Verfahren zur Herstellung von Epoxiden aus Olefinen, Wasserstoff und Sauerstoff unter Verwendung des Oxidationskatalysators
CN1152028C (zh) 1996-07-01 2004-06-02 陶氏环球技术公司 烯烃直接氧化成烯烃氧化物的方法
US6323351B1 (en) 1997-06-30 2001-11-27 The Dow Chemical Company Process for the direct oxidation of olefins to olefin oxides
US6562986B2 (en) 1997-06-30 2003-05-13 Dow Global Technologies, Inc. Process for the direct oxidation of olefins to olefin oxides
EP1024895B1 (de) 1997-06-30 2005-11-30 Dow Global Technologies Inc. Verfahren zur herstellung von olefinoxiden durch direktoxidation von olefinen
DE19804712A1 (de) * 1998-02-06 1999-08-12 Bayer Ag Verfahren zur Standzeitverlängerung von mit Goldteilen belegten Trägerkatalysatoren für die Oxidation ungesättigter Kohlenwasserstoffe
WO1999043431A1 (en) 1998-02-24 1999-09-02 Japan As Represented By Director-General Of Agency Of Industrial Science And Technology Catalyst for partially oxidizing unsaturated hydrocarbon
US5939569A (en) 1998-03-10 1999-08-17 Jones; C. Andrew Epoxidation process
ID26171A (id) 1998-04-15 2000-11-30 Dow Chemical Co Proses untuk oksidasi langsung olefin-olefin ke oksida-oksida olefin
DE19835481A1 (de) 1998-08-07 2000-02-17 Bayer Ag Verfahren zur Oxidation von Kohlenwasserstoffen
AU756230B2 (en) 1998-12-16 2003-01-09 Dow Global Technologies Inc. Process for the direct oxidation of olefins to olefin oxides
JP2000279809A (ja) 1999-03-30 2000-10-10 Nippon Shokubai Co Ltd エポキシド製造用触媒及びエポキシドの製法
KR100715136B1 (ko) 1999-04-08 2007-05-10 다우 글로벌 테크놀로지스 인크. 금 및 티탄을 포함하는 촉매의 제조방법
ID30342A (id) 1999-04-08 2001-11-22 Dow Chemical Co Proses untuk hidro-oksidasi olefin oksida dengan menggunakan katalis emas teroksidasi
DE19918431A1 (de) * 1999-04-23 2000-10-26 Bayer Ag Verfahren zur Herstellung eines Katalysators zur selektiven Oxidation von Kohlenwasserstoffen
DE19920753A1 (de) 1999-04-23 2000-10-26 Bayer Ag Verfahren zur Herstellung von amorphen, edelmetallhaltigen Titan-Silizium-Mischoxiden
JP4395580B2 (ja) 1999-04-28 2010-01-13 独立行政法人産業技術総合研究所 エポキシドの製造方法
DE19925926A1 (de) 1999-06-08 2000-12-14 Bayer Ag Katalysatoren auf Basis Titan-haltiger, organisch-anorganischer Hybridmaterialien zur selektiven Oxidation von Kohlenwasserstoffen
KR20030003219A (ko) 1999-12-09 2003-01-09 더 다우 케미칼 캄파니 하이드로-산화 촉매의 활성화 및 재생
DE10060775A1 (de) * 2000-12-07 2002-06-13 Creavis Tech & Innovation Gmbh Oligomere Silasesquioxane und Verfahren zur Herstellung von oligomeren Silasesquioxanen
US6478589B2 (en) * 2001-01-31 2002-11-12 Ekstrom Industries, Inc. Electrical service apparatus safety shield with wire guides

Also Published As

Publication number Publication date
ES2260459T3 (es) 2006-11-01
US20040171893A1 (en) 2004-09-02
KR100901282B1 (ko) 2009-06-09
JP2004536705A (ja) 2004-12-09
BR0211796A (pt) 2004-08-03
WO2003011454A3 (en) 2003-05-08
DE60210087T2 (de) 2007-03-08
CN1231296C (zh) 2005-12-14
CN1538878A (zh) 2004-10-20
WO2003011454A2 (en) 2003-02-13
US7122491B2 (en) 2006-10-17
AU2002317607A1 (en) 2003-02-17
KR20040019093A (ko) 2004-03-04
JP4307253B2 (ja) 2009-08-05
DE60210087D1 (de) 2006-05-11
EP1453605A2 (de) 2004-09-08
EP1453605B1 (de) 2006-03-22

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