GC0000430A - Process for operating the epoxidation of ethylene - Google Patents

Process for operating the epoxidation of ethylene

Info

Publication number
GC0000430A
GC0000430A GCP20011416A GC0000430A GC 0000430 A GC0000430 A GC 0000430A GC P20011416 A GCP20011416 A GC P20011416A GC 0000430 A GC0000430 A GC 0000430A
Authority
GC
Cooperation Council for the Arab states of the Gulf
Prior art keywords
ethylene
catalyst
operation phase
operating
ethylene oxide
Prior art date
Application number
Other languages
English (en)
Inventor
Wayne Errol Evans
Peter Ingraham Chipman
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27081174&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GC0000430(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
Application granted granted Critical
Publication of GC0000430A publication Critical patent/GC0000430A/xx

Links

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
    • 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
    • B01J23/68Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/688Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with manganese, technetium or rhenium
    • 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
    • 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
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epoxy Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GCP20011416 2000-06-09 2001-06-06 Process for operating the epoxidation of ethylene GC0000430A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59152500A 2000-06-09 2000-06-09
US09/735,360 US6372925B1 (en) 2000-06-09 2000-12-12 Process for operating the epoxidation of ethylene

Publications (1)

Publication Number Publication Date
GC0000430A true GC0000430A (en) 2007-09-30

Family

ID=27081174

Family Applications (1)

Application Number Title Priority Date Filing Date
GCP20011416 GC0000430A (en) 2000-06-09 2001-06-06 Process for operating the epoxidation of ethylene

Country Status (18)

Country Link
US (2) US6372925B1 (instruction)
EP (1) EP1292587B1 (instruction)
JP (1) JP5097325B2 (instruction)
KR (1) KR100827473B1 (instruction)
CN (1) CN1217941C (instruction)
AT (1) ATE342259T1 (instruction)
AU (1) AU2001266704A1 (instruction)
BR (1) BR0111475B1 (instruction)
CA (1) CA2411070C (instruction)
DE (1) DE60123788T2 (instruction)
ES (1) ES2269421T3 (instruction)
GC (1) GC0000430A (instruction)
IN (1) IN2002DE01165A (instruction)
MX (1) MXPA02012036A (instruction)
MY (1) MY128386A (instruction)
RU (1) RU2263670C2 (instruction)
TW (1) TWI230707B (instruction)
WO (1) WO2001096324A2 (instruction)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6372925B1 (en) * 2000-06-09 2002-04-16 Shell Oil Company Process for operating the epoxidation of ethylene
US7193094B2 (en) 2001-11-20 2007-03-20 Shell Oil Company Process and systems for the epoxidation of an olefin
EP1532125B1 (en) * 2002-06-28 2006-03-22 Shell Internationale Researchmaatschappij B.V. A method for the start-up of an epoxidation process, a catalyst and a process for the epoxidation of an olefin
CN1665797B (zh) * 2002-06-28 2011-09-14 国际壳牌研究有限公司 环氧化方法的开车方法和烯烃环氧化方法
CN100512966C (zh) * 2002-06-28 2009-07-15 国际壳牌研究有限公司 提高催化剂选择性的方法和烯烃环氧化方法
WO2004039790A1 (en) * 2002-10-28 2004-05-13 Shell Internationale Research Maatschappij B.V. Olefin oxide catalysts
MY146505A (en) * 2003-02-28 2012-08-15 Shell Int Research A method of manufacturing ethylene oxide
MY136774A (en) * 2003-02-28 2008-11-28 Shell Int Research Method of improving the operation of a manufacturing process
MY153179A (en) * 2003-02-28 2015-01-29 Shell Int Research A method of manufacturing ethylene oxide
TWI346574B (en) 2003-03-31 2011-08-11 Shell Int Research A catalyst composition, a process for preparing the catalyst composition and a use of the catalyst composition
EP1613428B1 (en) * 2003-04-01 2007-10-31 Shell Internationale Research Maatschappij B.V. An olefin epoxidation process and a catalyst for use in the process
US7348444B2 (en) * 2003-04-07 2008-03-25 Shell Oil Company Process for the production of an olefin oxide
US6858560B2 (en) 2003-04-23 2005-02-22 Scientific Design Co., Inc. Ethylene oxide catalyst
US20040225138A1 (en) * 2003-05-07 2004-11-11 Mcallister Paul Michael Reactor system and process for the manufacture of ethylene oxide
EP1624964B1 (en) 2003-05-07 2019-07-31 Shell International Research Maatschappij B.V. Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof
US8148555B2 (en) * 2003-06-26 2012-04-03 Shell Oil Company Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin
TW200602123A (en) * 2004-04-01 2006-01-16 Shell Int Research Process for preparing a catalyst, the catalyst, and a use of the catalyst
RU2007111952A (ru) 2004-09-01 2008-10-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) Способ эпоксидирования олефинов, катализатор для применения в данном способе, носитель для использования при получении катализатора и способ получения носителя
US8536083B2 (en) 2004-09-01 2013-09-17 Shell Oil Company Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier
EP1807189A2 (en) * 2004-09-24 2007-07-18 Shell Internationale Research Maatschappij B.V. A process for selecting shaped particles, a process for installing a system, a process for reacting a gaseous feedstock in such a system, a computer program product, and a computer system
BRPI0608552A2 (pt) 2005-02-25 2010-01-12 Sumitomo Chemical Co processo para produção de óxido de olefina
BRPI0608862A2 (pt) * 2005-03-22 2010-02-02 Shell Int Research sistema de reator e processo para fabricação de óxido de etileno
WO2006133183A2 (en) 2005-06-07 2006-12-14 Shell Internationale Research Maatschappij B.V. A catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
BE1017795A3 (fr) * 2005-12-22 2009-07-07 Shell Int Research Procede d'installation d'un catalyseur d'epoxydation dans un reacteur, procede de preparation d'un oxyde d'olefine ou d'un produit chimique derivable d'un oxyde d'olefine, et reacteur approprie pour un tel procede.
US7459589B2 (en) 2005-12-22 2008-12-02 Shell Oil Company Process for the preparation of an alkylene glycol
US7750170B2 (en) 2005-12-22 2010-07-06 Shell Oil Company Process for mixing an oxidant having explosive potential with a hydrocarbon
TW200738332A (en) * 2006-02-03 2007-10-16 Shell Int Research A process for treating a catalyst, the catalyst, and use of the catalyst
CA2641646A1 (en) * 2006-02-10 2007-08-23 Shell Internationale Research Maatschappij B.V. A process for preparing a catalyst, the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
US7553795B2 (en) * 2006-03-21 2009-06-30 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Activation of high selectivity ethylene oxide catalyst
WO2007122090A2 (de) * 2006-04-21 2007-11-01 Basf Se Verfahren zur herstellung von ethylenoxid in einem mikrokanalreaktor
US8097557B2 (en) * 2006-08-08 2012-01-17 Sd Lizenverwertungsgesellschaft Mbh & Co. Kg Two-stage calcination for catalyst production
MX2009002309A (es) * 2006-09-01 2009-03-20 Dow Global Technologies Inc Control mejorado y optimizacion de proceso para hacer oxido de etileno.
US7977274B2 (en) * 2006-09-29 2011-07-12 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Catalyst with bimodal pore size distribution and the use thereof
US10532989B2 (en) 2007-05-09 2020-01-14 Shell Oil Company Epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine
US8536353B2 (en) 2007-05-09 2013-09-17 Shell Oil Company Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine
TWI446963B (zh) * 2007-05-09 2014-08-01 Shell Int Research 環氧化催化劑、製備該催化劑之方法及製備烯烴氧化物、1,2-二醇、1,2-二醇醚、1,2-碳酸酯或烷醇胺之方法
CN101687159B (zh) 2007-05-18 2013-04-03 国际壳牌研究有限公司 反应器系统、吸收剂和用于使原料反应的方法
US9144765B2 (en) 2007-05-18 2015-09-29 Shell Oil Company Reactor system, an absorbent and a process for reacting a feed
US20090050535A1 (en) * 2007-05-18 2009-02-26 Wayne Errol Evans Reactor system, and a process for preparing an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate and an alkanolamine
US8290626B2 (en) * 2007-09-10 2012-10-16 SD Lizenzverwertungsgesellschadt mbH & Co KG Chemical process optimization method that considers chemical process plant safety
US7803957B2 (en) 2007-09-11 2010-09-28 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Ethylene oxide production using fixed moderator concentration
DE102008011767B4 (de) 2008-02-28 2012-07-26 Basf Se Verfahren zur Herstellung von olefinisch ungesättigten Carbonylverbindungen durch oxidative Dehydrierung von Alkoholen
DE102008014910A1 (de) 2008-03-19 2009-09-24 Basf Se Verwendung eines geträgerten edelmetallhaltigen Katalysators zur oxidativen Dehydrierung
US7763096B2 (en) * 2008-05-06 2010-07-27 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Recovery of rhenium
BRPI0912391B1 (pt) * 2008-05-07 2018-04-17 Shell Internationale Research Maatschappij B.V. Processo para epoxidação de uma olefina
BRPI0912381A2 (pt) 2008-05-07 2017-07-04 Shell Int Research processo para a partida de um processo de epoxidação, processo para a produção de óxido de etileno, 1,2-diol, 1, 2-diol éter, 1, 2-carbonato, ou uma alcanolamina
EP2279182B1 (en) 2008-05-15 2017-03-29 Shell Internationale Research Maatschappij B.V. Process for the preparation of an alkylene carbonate and an alkylene glycol
US8193374B2 (en) * 2008-05-15 2012-06-05 Shell Oil Company Process for the preparation of alkylene carbonate and/or alkylene glycol
DE102008025835A1 (de) 2008-05-29 2009-12-03 Bayer Technology Services Gmbh Verfahren zur Herstellung von Ethylenoxid
WO2009150208A1 (en) * 2008-06-13 2009-12-17 Shell Internationale Research Maatschappij B.V. Method for measuring the selectivity of a process for the production of ethylene oxide
US8933254B2 (en) * 2008-07-14 2015-01-13 Basf Se Process for making ethylene oxide
WO2010009021A2 (en) * 2008-07-14 2010-01-21 Velocys Inc. Process for making ethylene oxide using microchannel process technology
US8349765B2 (en) 2008-07-18 2013-01-08 Scientific Design Company, Inc. Mullite-containing carrier for ethylene oxide catalysts
US8524927B2 (en) 2009-07-13 2013-09-03 Velocys, Inc. Process for making ethylene oxide using microchannel process technology
AU2010318055B2 (en) * 2009-11-10 2014-04-03 Shell Internationale Research Maatschappij B.V. Process for producing ethylene oxide
CN102333767B (zh) * 2009-12-28 2014-12-03 陶氏技术投资有限公司 控制氯化银在环氧烷生产中的银催化剂上的产生的方法
CN103124728B (zh) 2010-09-29 2014-10-22 国际壳牌研究有限公司 改进的eo过程控制
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
TWI486340B (zh) * 2010-12-10 2015-06-01 Dow Technology Investments Llc 利用高效率催化劑在製造環氧烷的方法中降低環氧烷生產參數值的方法
EP2651908B1 (en) 2010-12-15 2016-02-24 Dow Technology Investments LLC Method of starting-up a process of producing an alkylene oxide using a high-efficiency catalyst
CN102558099B (zh) * 2010-12-29 2014-11-12 中国石油化工股份有限公司 由乙烯生产环氧乙烷的方法
CN103502229B (zh) * 2011-04-29 2016-02-03 国际壳牌研究有限公司 用于改善环氧乙烷催化剂选择性的方法
US9181207B2 (en) 2011-12-09 2015-11-10 Dow Technology Investments Llc Method of reducing or maintaining the value of an alkylene oxide production parameter in a process of making an alkylene oxide using a high efficiency catalyst
FR3001968B1 (fr) * 2013-02-12 2015-02-27 IFP Energies Nouvelles Procede de production d'oxyde d'ethylene a partir d'un flux d'ethanol thermo-mecaniquement integre
CN104888855B (zh) * 2015-04-03 2017-03-01 江南大学 一种用于烯烃环氧化反应的乙酰丙酮氧钼固体催化剂及其制备方法
RU2759675C2 (ru) * 2016-08-09 2021-11-16 Сайентифик Дизайн Компани, Инк. Способ получения простого гликолевого эфира
RU2757051C2 (ru) 2016-12-02 2021-10-11 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способы обработки катализатора эпоксидирования этилена и связанные способы получения оксида этилена
WO2019055773A1 (en) 2017-09-15 2019-03-21 MultiPhase Solutions, Inc. GAS PHASE CHROMATOGRAPHY OF SELECTIVE HALOGEN DETECTION FOR ONLINE ANALYSIS AND CONTROL OF SELECTIVE OXIDATION CHEMICAL PRODUCTION PROCESSES
US11498911B2 (en) 2017-12-08 2022-11-15 Shell Usa, Inc. Process for preparing ethylene carbonate and ethylene glycol

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1191983A (en) 1968-04-11 1970-05-13 Sir Soc Italiana Resine Spa Preparation of Ethylene Oxide
US3960775A (en) 1969-08-26 1976-06-01 Snam Progetti S.P.A. Catalyst for the production of ethylene oxide
GB1319004A (en) * 1971-07-13 1973-05-31 Nippon Catalytic Chem Ind Process for preparing ethylene oxide
IT972792B (it) * 1972-12-22 1974-05-31 Sir Soc Italiana Resine Spa Procedimento per la preparazione di glicoli eteri
DE2605991A1 (de) * 1976-02-14 1977-08-25 Hoechst Ag Verfahren zur erhoehung der selektivitaet bei der herstellung von aethylenoxid
US4400559A (en) * 1982-06-14 1983-08-23 The Halcon Sd Group, Inc. Process for preparing ethylene glycol
IL84232A (en) * 1986-10-31 1992-06-21 Shell Int Research Catalyst and process for the catalytic production of ethylene oxide
EP0357293B1 (en) 1988-08-30 1996-02-28 Union Carbide Corporation Catalysts for the production of ethylene oxide and their preparation processes
CA1337722C (en) * 1989-04-18 1995-12-12 Madan Mohan Bhasin Alkylene oxide catalysts having enhanced activity and/or stability
US5177225A (en) 1990-07-09 1993-01-05 The Boc Group, Inc. Process for the production of alkylene oxide
US5155242A (en) * 1991-12-05 1992-10-13 Shell Oil Company Process for starting-up an ethylene oxide reactor
EP0557833B1 (de) * 1992-02-20 1996-08-21 BASF Aktiengesellschaft Verfahren zur Herstellung von Ethylenoxid
CA2078480A1 (en) * 1992-04-20 1993-10-21 Bennie Albert Horrell Jr. Improved process for ethylene epoxidation
US5262551A (en) 1992-04-20 1993-11-16 Texaco Chemical Company Process for ethylene expoxidation
US5447897A (en) * 1993-05-17 1995-09-05 Shell Oil Company Ethylene oxide catalyst and process
WO1995005896A1 (en) * 1993-08-23 1995-03-02 Shell Internationale Research Maatschappij B.V. Ethylene oxide catalyst
US5380697A (en) * 1993-09-08 1995-01-10 Shell Oil Company Ethylene oxide catalyst and process
JP3403476B2 (ja) * 1993-12-28 2003-05-06 株式会社日本触媒 エチレンオキシドの製造方法
US5545603A (en) * 1994-11-01 1996-08-13 Shell Oil Company Ethylene oxide catalyst and process
DE19843697A1 (de) * 1998-09-23 2000-03-30 Basf Ag Verfahren zur Herstellung von hochreinem Monoethylenglykol
US6372925B1 (en) * 2000-06-09 2002-04-16 Shell Oil Company Process for operating the epoxidation of ethylene

Also Published As

Publication number Publication date
RU2263670C2 (ru) 2005-11-10
EP1292587A2 (en) 2003-03-19
MX231687B (instruction) 2005-10-28
JP2004503548A (ja) 2004-02-05
CN1437590A (zh) 2003-08-20
US6372925B1 (en) 2002-04-16
EP1292587B1 (en) 2006-10-11
US20030139633A1 (en) 2003-07-24
MXPA02012036A (es) 2003-06-06
TWI230707B (en) 2005-04-11
MY128386A (en) 2007-01-31
CA2411070A1 (en) 2001-12-20
KR100827473B1 (ko) 2008-05-06
AU2001266704A1 (en) 2001-12-24
WO2001096324A3 (en) 2002-03-28
US6717001B2 (en) 2004-04-06
WO2001096324A2 (en) 2001-12-20
BR0111475A (pt) 2003-03-25
ES2269421T3 (es) 2007-04-01
CN1217941C (zh) 2005-09-07
JP5097325B2 (ja) 2012-12-12
BR0111475B1 (pt) 2012-04-17
CA2411070C (en) 2010-08-10
DE60123788T2 (de) 2007-09-06
DE60123788D1 (de) 2006-11-23
ATE342259T1 (de) 2006-11-15
IN2002DE01165A (instruction) 2008-09-26
KR20030034090A (ko) 2003-05-01

Similar Documents

Publication Publication Date Title
GC0000430A (en) Process for operating the epoxidation of ethylene
Otsuka et al. Peroxide anions as possible active species in oxidative coupling of methane
Chu et al. Copper-catalyzed propylene epoxidation by molecular oxygen: Superior catalytic performances of halogen-free K+-modified CuOx/SBA-15
MX291849B (en) Method for producing a shaped body using a metal oxide sol, shaped body,the use thereof in the production of an alkene oxide
MY122574A (en) Catalysts for production of unsaturated aldehyde and unsaturated carboxylic acid and a process for producing unsaturated aldehyde and unsaturated carboxylic acid using the catalysts
BR0213339A (pt) Processo de epoxidação direta usando um sistema misto de catalisador
MXPA03004361A (es) Catalizador de epoxidacion y proceso para la produccion del mismo.
WO2007123932A3 (en) Alkylene oxide catalyst and use thereof
JP2004503548A5 (instruction)
MY136943A (en) Crystalline mww-type titanosilicate catalyst for producing oxidized compound, production process for the catalyst, and process for producing oxidized compound by using the catalyst
AU2027397A (en) Propylene oxide process using alkaline earth metal compound-supported silver catalysts
MXPA02012242A (es) Proceso de epoxidacion directa utilizando un sistema de catalizador mezclado.
CA2407605A1 (en) Precious metal recovery from organics-precious metal compositions with supercritical water reactant
MY136774A (en) Method of improving the operation of a manufacturing process
AU2001291736A1 (en) Integrated process for the preparation of epoxides
AU2001241208A1 (en) Process for producing propylene oxide
AU2001241205A1 (en) Process for producing propylene oxide
MY140566A (en) A process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
Noels et al. Homogeneous catalysis by transition metal complexes. Selective oxidation of cyclohexene by mixed-catalysts containing rhodium (II) complexes
CN113121474A (zh) 乙烯环氧化银催化剂的开车方法
WO2002022539A3 (en) Metal molybdate/iron-molybdate dual catalyst bed system and process using the same for methanol oxidation to formaldehyde
GB1248185A (en) A process for epoxidizing olefins with organic hydroperoxides
AU2001281149A1 (en) Direct synthesis of tin (ii) carboxylates and tin (iv) carboxylates from elemental tin or tin oxides
MY139958A (en) Method for the production of acrylic acid by heterogeneously-catalyzed gas-phase oxidation
TH54078A (th) กรรมวิธีสำหรับดำเนินงานอีพอกซิเดชันของเอธิลีน