IN2012DN05077A - - Google Patents

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Publication number
IN2012DN05077A
IN2012DN05077A IN5077DEN2012A IN2012DN05077A IN 2012DN05077 A IN2012DN05077 A IN 2012DN05077A IN 5077DEN2012 A IN5077DEN2012 A IN 5077DEN2012A IN 2012DN05077 A IN2012DN05077 A IN 2012DN05077A
Authority
IN
India
Prior art keywords
temperature
hours
catalyst
moderator
epoxidation
Prior art date
Application number
Inventor
Rizkalla Nabil
B Castagnola Norma
Desai Girish
Original Assignee
Scient Design Co
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=44152005&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2012DN05077(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scient Design Co filed Critical Scient Design Co
Publication of IN2012DN05077A publication Critical patent/IN2012DN05077A/en

Links

Classifications

    • 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
    • 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
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/36—Rhenium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00—Aliphatic unsaturated hydrocarbons
    • C07C11/02—Alkenes
    • C07C11/04—Ethylene
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms

Landscapes

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

Abstract

A start-up process for epoxidation of ethylene is provided. The process includes initiating an epoxidation reaction by reacting a feed gas composition in the presence of an epoxidation catalyst at a first temperature of about 180 'C to about 210 'C. The first temperature is increased to a second temperature of about 230°C to about 290°C, over a time period of about 6 hours to about 50 hours, while simultaneously adding a sufficient concentration of moderator so that the amount of moderator adsorbed on the catalyst after achieving the second temperature is from about 10 to about 50 g/m3 of catalyst. The second temperature is maintained for about 50 hours to about 350 hours, while regulating the feed gas composition to contain about 0.5% to about 25% C02. The second temperature is decreased to a third temperature, while simultaneously increasing moderator concentration to a level greater than the sufficient concentration.
IN5077DEN2012 2009-12-23 2010-12-20 IN2012DN05077A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28971909P 2009-12-23 2009-12-23
PCT/US2010/061192 WO2011079056A2 (en) 2009-12-23 2010-12-20 A process for initiating a highly selective ethylene oxide catalyst

Publications (1)

Publication Number Publication Date
IN2012DN05077A true IN2012DN05077A (en) 2015-10-09

Family

ID=44152005

Family Applications (1)

Application Number Title Priority Date Filing Date
IN5077DEN2012 IN2012DN05077A (en) 2009-12-23 2010-12-20

Country Status (12)

Country Link
US (1) US8487123B2 (en)
EP (1) EP2521718B1 (en)
JP (1) JP2013515730A (en)
KR (1) KR101815664B1 (en)
CN (1) CN102666515B (en)
BR (1) BR112012015219B1 (en)
CA (1) CA2784603C (en)
IN (1) IN2012DN05077A (en)
MX (1) MX2012007440A (en)
RU (1) RU2538969C2 (en)
TW (1) TWI485142B (en)
WO (1) WO2011079056A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103547365B (en) * 2011-04-11 2016-03-16 陶氏技术投资有限责任公司 Method for tuning high-efficiency ethylene oxide catalysts
WO2013059225A1 (en) * 2011-10-18 2013-04-25 Al-Ahmadi Hassan Eisa Epoxidation process with added moderator
CN104884443B (en) * 2012-12-31 2017-07-04 科学设计公司 For the startup method of epoxyethane catalyst
CN105008339B (en) * 2013-01-11 2017-09-12 科学设计公司 Epoxidation technique with rear regulating step
US9221776B2 (en) * 2013-12-23 2015-12-29 Scientific Design Company, Inc. Epoxidation process
US11059017B2 (en) 2017-09-15 2021-07-13 MultiPhase Solutions, Inc. Halogen selective detection gas chromatography for the on-line analysis and control of selective oxidation chemical production processes
CN114057670B (en) * 2020-07-29 2024-06-07 中国石油化工股份有限公司 Method for starting ethylene epoxidation process
CN114057669B (en) * 2020-07-29 2023-12-08 中国石油化工股份有限公司 Ethylene epoxidation constant-temperature driving method
CN114436998A (en) * 2020-11-05 2022-05-06 中国石油化工股份有限公司 A kind of ethylene epoxidation start-up method

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US2279469A (en) 1942-04-14 Process of making olefin oxides
SE321462B (en) 1962-10-10 1970-03-09 Halcon International Inc
GB1170663A (en) 1967-03-22 1969-11-12 Shell Int Research Process for preparing Silver Catalysts
US3702259A (en) 1970-12-02 1972-11-07 Shell Oil Co Chemical production of metallic silver deposits
US4766105A (en) 1986-10-31 1988-08-23 Shell Oil Company Ethylene oxide catalyst and process for preparing the catalyst
US4761394A (en) 1986-10-31 1988-08-02 Shell Oil Company Ethylene oxide catalyst and process for preparing the catalyst
US4908343A (en) 1987-02-20 1990-03-13 Union Carbide Chemicals And Plastics Company Inc. Catalyst composition for oxidation of ethylene to ethylene oxide
US5057481A (en) 1987-02-20 1991-10-15 Union Carbide Chemicals And Plastics Technology Corporation Catalyst composition for oxidation of ethylene to ethylene oxide
CA1339317C (en) 1988-07-25 1997-08-19 Ann Marie Lauritzen Process for producing ethylene oxide
US4874879A (en) * 1988-07-25 1989-10-17 Shell Oil Company Process for starting-up an ethylene oxide reactor
DE68925767T2 (en) 1988-08-30 1996-08-14 Union Carbide Corp Catalysts for the production of ethylene oxide and processes for their production
US5187140A (en) 1989-10-18 1993-02-16 Union Carbide Chemicals & Plastics Technology Corporation Alkylene oxide catalysts containing high silver content
US5102848A (en) 1990-09-28 1992-04-07 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition for oxidation of ethylene to ethylene oxide
US5155242A (en) 1991-12-05 1992-10-13 Shell Oil Company Process for starting-up an ethylene oxide reactor
US5407888A (en) 1992-05-12 1995-04-18 Basf Aktiengesellschaft Silver catalyst
US6492065B2 (en) * 1997-12-05 2002-12-10 Victor Company Of Japan, Limited Hologram color filter, production method of the same hologram color filter and space light modulating apparatus using the same hologram color filter
US6008388A (en) * 1998-04-16 1999-12-28 Arco Chemical Technology, L.P. Epoxidation process
JP4042332B2 (en) 2001-02-27 2008-02-06 三菱化学株式会社 Process for producing olefin oxide using rhenium-containing catalyst
DE60332457D1 (en) 2002-06-28 2010-06-17 Shell Int Research METHOD FOR IMPROVING THE SELECTIVITY OF A CATALYST AND METHOD FOR EPOXIDING AN OLEFIN
AU2003247652A1 (en) * 2002-06-28 2004-01-19 Shell Internationale Research Maatschappij B.V. A method for the start-up of an epoxidation process and a process for the epoxidation of an olefin
AU2003243758A1 (en) * 2002-06-28 2004-01-19 Shell Oil Company A method for the start-up of an epoxidation process, a catalyst and a process for the epoxidation of an olefin
US6992209B2 (en) 2002-12-09 2006-01-31 Battelle Memorial Institute Methods of forming alpha, beta-unsaturated acids and esters
DE602004029482D1 (en) * 2003-09-29 2010-11-18 Dow Technology Investments Llc PROCESS FOR THE PRODUCTION OF ALKYLENE OXIDE USING A GAS PHASE PROMOTER SYSTEM
US8791280B2 (en) 2005-08-10 2014-07-29 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Process for preparation of catalyst carrier and its use in catalyst preparation
CA2687234C (en) 2007-05-11 2016-04-19 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Start-up of high selectivity catalysts in olefin oxide plants
US7553980B2 (en) * 2007-09-26 2009-06-30 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Process for initiating a highly selective ethylene oxide catalyst
BRPI0912381A2 (en) * 2008-05-07 2017-07-04 Shell Int Research process for starting an epoxidation process, process for producing ethylene oxide, 1,2-diol, 1,2-diol ether, 1,2-carbonate, or an alkanolamine

Also Published As

Publication number Publication date
CA2784603A1 (en) 2011-06-30
US8487123B2 (en) 2013-07-16
CN102666515B (en) 2015-05-20
CA2784603C (en) 2018-06-12
TW201139392A (en) 2011-11-16
EP2521718B1 (en) 2014-07-02
EP2521718A4 (en) 2013-06-19
KR101815664B1 (en) 2018-01-05
KR20120108029A (en) 2012-10-04
JP2013515730A (en) 2013-05-09
BR112012015219B1 (en) 2018-04-03
TWI485142B (en) 2015-05-21
RU2538969C2 (en) 2015-01-10
CN102666515A (en) 2012-09-12
BR112012015219A2 (en) 2015-09-22
WO2011079056A3 (en) 2011-11-17
WO2011079056A2 (en) 2011-06-30
MX2012007440A (en) 2012-07-23
RU2012131369A (en) 2014-01-27
US20110152549A1 (en) 2011-06-23
EP2521718A2 (en) 2012-11-14

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