BR112017013299A2 - processo de transição entre catalisadores incompatíveis - Google Patents

processo de transição entre catalisadores incompatíveis

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Publication number
BR112017013299A2
BR112017013299A2 BR112017013299A BR112017013299A BR112017013299A2 BR 112017013299 A2 BR112017013299 A2 BR 112017013299A2 BR 112017013299 A BR112017013299 A BR 112017013299A BR 112017013299 A BR112017013299 A BR 112017013299A BR 112017013299 A2 BR112017013299 A2 BR 112017013299A2
Authority
BR
Brazil
Prior art keywords
catalyst
reactor
introducing
feed system
transition process
Prior art date
Application number
BR112017013299A
Other languages
English (en)
Inventor
Hamad Al-Humydi Abdulaziz
Fellahi Said
Banat Yahya
Original Assignee
Sabic Global Technologies Bv
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 Sabic Global Technologies Bv filed Critical Sabic Global Technologies Bv
Publication of BR112017013299A2 publication Critical patent/BR112017013299A2/pt

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • C08F2/42—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using short-stopping agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/02—Halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

a invenção refere-se a um processo para a transição de uma primeira reação de polimerização contínua em um reator de fase gasosa conduzido na presença de um primeiro catalisador em uma segunda reação de polimerização conduzida na presença de um segundo catalisador no reator de fase gasosa em que o primeiro e o segundo catalisadores são incompatíveis, o processo compreendendo: (a) descontinuar a introdução do primeiro catalisador a partir de um primeiro sistema de alimentação de catalisador em um reator; (b) introduzir um agente neutralizador de catalisador para desativar pelo menos parcialmente o primeiro catalisador no reator (c) introduzir no reator um segundo catalisador a partir de um segundo sistema de alimentação de catalisador separado do primeiro sistema de alimentação de catalisador.
BR112017013299A 2014-12-22 2015-12-22 processo de transição entre catalisadores incompatíveis BR112017013299A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14199685 2014-12-22
PCT/EP2015/080943 WO2016102546A1 (en) 2014-12-22 2015-12-22 Process for transitioning between incompatible catalysts

Publications (1)

Publication Number Publication Date
BR112017013299A2 true BR112017013299A2 (pt) 2018-01-02

Family

ID=52338894

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017013299A BR112017013299A2 (pt) 2014-12-22 2015-12-22 processo de transição entre catalisadores incompatíveis

Country Status (9)

Country Link
US (1) US10494455B2 (pt)
EP (1) EP3237458B1 (pt)
JP (1) JP2018501395A (pt)
KR (1) KR20170109548A (pt)
CN (1) CN107207650B (pt)
BR (1) BR112017013299A2 (pt)
EA (1) EA034766B1 (pt)
SA (1) SA517381811B1 (pt)
WO (1) WO2016102546A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112017013299A2 (pt) 2014-12-22 2018-01-02 Sabic Global Technologies Bv processo de transição entre catalisadores incompatíveis
WO2016151098A1 (en) 2015-03-24 2016-09-29 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
CN114621378B (zh) * 2020-12-11 2023-11-28 中国石油天然气股份有限公司 气相法聚乙烯铬系列不同催化剂之间的切换方法
EP4389776A1 (en) * 2022-12-20 2024-06-26 Borealis AG Process
EP4389783A1 (en) * 2022-12-20 2024-06-26 Borealis AG Catalyst transition process

Family Cites Families (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450183A (en) 1964-10-02 1969-06-17 Phillips Petroleum Co Polymer recovery apparatus
US3594356A (en) 1967-04-24 1971-07-20 Phillips Petroleum Co Polymer recovery process and apparatus
US3790036A (en) 1969-11-21 1974-02-05 Union Carbide Corp Fluid bed polymerization catalyst injection system
US4003712A (en) 1970-07-29 1977-01-18 Union Carbide Corporation Fluidized bed reactor
US3687920A (en) 1971-01-25 1972-08-29 Union Carbide Corp Polymerization of olefins with silane modified catalyst system
US3709853A (en) 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US4086409A (en) 1973-12-20 1978-04-25 Union Carbide Corporation Ethylene polymerization with siloxane modified catalyst
US4011382A (en) 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
DE2610074C2 (de) 1976-03-11 1985-07-25 Bergwerksverband Gmbh, 4300 Essen Verfahren zum Regenerieren von beladener Aktivkohle
GB1582955A (en) 1976-07-28 1981-01-21 Boc Ltd Condensation of the vapour of a volatile liquid
US4101445A (en) 1976-09-22 1978-07-18 Union Carbide Corporation Preparation of modified and activated chromocene catalysts for ethylene polymerization
US4302566A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
US4482687A (en) 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4372758A (en) 1980-09-02 1983-02-08 Union Carbide Corporation Degassing process for removing unpolymerized monomers from olefin polymers
US5019633A (en) 1980-12-24 1991-05-28 Technology Corporation Catalyst composition for polymerizing ethylene
US4376191A (en) 1981-10-01 1983-03-08 Union Carbide Corporation Use of dialkylzinc compounds to initiate polymerization of ethylene with chromium oxide catalysts
US4543399A (en) 1982-03-24 1985-09-24 Union Carbide Corporation Fluidized bed reaction systems
US4588790A (en) 1982-03-24 1986-05-13 Union Carbide Corporation Method for fluidized bed polymerization
US4460755A (en) 1982-09-30 1984-07-17 Union Carbide Corporation Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst
US4560671A (en) 1983-07-01 1985-12-24 Union Carbide Corporation Olefin polymerization catalysts adapted for gas phase processes
FR2562077B1 (fr) 1984-03-30 1986-06-27 Bp Chimie Sa Dispositif et procede d'introduction d'une poudre a activite catalytique dans un reacteur de polymerisation a lit fluidise
US4610574A (en) 1984-05-30 1986-09-09 Amoco Corporation Catalyst feeding system
US4798081A (en) 1985-11-27 1989-01-17 The Dow Chemical Company High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers
US4755495A (en) 1986-02-27 1988-07-05 Union Carbide Corporation Process for activation of titanium and vanadium catalysts useful in ethylene polymerization
US4719193A (en) 1986-09-30 1988-01-12 Union Carbide Corporation Processes for preparing polyethylene catalysts by heating catalyst precursors
US4727723A (en) 1987-06-24 1988-03-01 The M. W. Kellogg Company Method for sub-cooling a normally gaseous hydrocarbon mixture
FR2618786B1 (fr) 1987-07-31 1989-12-01 Bp Chimie Sa Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
US5209607A (en) 1989-08-24 1993-05-11 Amoco Corporation Powder feeder apparatus
US5035732A (en) 1990-01-04 1991-07-30 Stone & Webster Engineering Corporation Cryogenic separation of gaseous mixtures
FI83932C (fi) 1990-05-17 1991-09-25 Neste Oy Foerfarande foer matning av en slamaktig katalysator i en polymerisationsreaktor.
US5070055A (en) 1990-06-29 1991-12-03 Union Carbide Chemicals And Plastics Technology Corporation Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution
JP2857916B2 (ja) 1990-07-20 1999-02-17 日本石油化学株式会社 気相重合流動床の触媒供給方法
US5352749A (en) 1992-03-19 1994-10-04 Exxon Chemical Patents, Inc. Process for polymerizing monomers in fluidized beds
JPH08509773A (ja) 1993-04-26 1996-10-15 エクソン・ケミカル・パテンツ・インク 流動床におけるモノマーの重合プロセス
ZA943399B (en) 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
US5391656A (en) 1993-09-24 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporation Recovery of unreacted monomers in an olefin polymerization process
US5595950A (en) 1993-12-20 1997-01-21 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US5377490A (en) 1994-02-04 1995-01-03 Air Products And Chemicals, Inc. Open loop mixed refrigerant cycle for ethylene recovery
US5442019A (en) 1994-03-25 1995-08-15 Exxon Chemical Company Process for transitioning between incompatible polymerization catalysts
US5421167A (en) 1994-04-01 1995-06-06 The M. W. Kellogg Company Enhanced olefin recovery method
ES2160713T3 (es) 1994-09-08 2001-11-16 Mobil Oil Corp Control catalitico de la distribucion de peso molecular de una resina amplia/bimodal en un reactor sencillo.
US5533437A (en) 1995-01-20 1996-07-09 Air Products And Chemicals, Inc. Recovery of hydrocarbons from polyalkene product purge gas
US5672666A (en) * 1995-06-05 1997-09-30 Exxon Chemical Patents Inc. Process for transitioning between incompatible polymerization catalysts
JP3584092B2 (ja) 1995-09-07 2004-11-04 三井化学株式会社 粉体定量供給装置
US5626034A (en) 1995-11-17 1997-05-06 Manley; David Mixed refrigerants in ethylene recovery
NO301331B1 (no) 1996-03-05 1997-10-13 Borealis As Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner
US5769927A (en) 1997-01-24 1998-06-23 Membrane Technology And Research, Inc. Monomer recovery process
US5962606A (en) 1997-02-19 1999-10-05 Union Carbide Chemicals & Plastics Technology Corporation Control of solution catalyst droplet size with an effervescent spray nozzle
DE19744710A1 (de) * 1997-10-10 1999-04-15 Bayer Ag Gasphasenpolymerisation in einem Kelchreaktor
US5979177A (en) 1998-01-06 1999-11-09 Abb Lummus Global Inc. Ethylene plant refrigeration system
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
US6271433B1 (en) 1999-02-22 2001-08-07 Stone & Webster Engineering Corp. Cat cracker gas plant process for increased olefins recovery
EP1059300A1 (en) 1999-06-11 2000-12-13 Dsm N.V. Indenyl compounds for the polymerisation of olefins
GB0008770D0 (en) 2000-04-10 2000-05-31 Bp Chem Int Ltd Polymerisation process
US6712880B2 (en) 2001-03-01 2004-03-30 Abb Lummus Global, Inc. Cryogenic process utilizing high pressure absorber column
JP4681773B2 (ja) 2001-08-28 2011-05-11 出光興産株式会社 エチレン低重合体の製造方法
US6576043B2 (en) 2001-10-12 2003-06-10 Air Products And Chemicals, Inc. Recovery of nitrogen and light hydrocarbons from polyalkene purge gas
US20030073788A1 (en) 2001-10-12 2003-04-17 Golden Timothy Christopher Recovery of olefin monomers
US6916892B2 (en) 2001-12-03 2005-07-12 Fina Technology, Inc. Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
US6560989B1 (en) 2002-06-07 2003-05-13 Air Products And Chemicals, Inc. Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigeration
US6897269B2 (en) 2002-12-27 2005-05-24 Univation Technologies, Llc Processes for transitioning between Ziegler-Natta and alumoxane-based single-site polymerization catalysts
AU2003295724A1 (en) 2002-12-27 2004-07-29 Univation Technologies, Llc Processes for transitioning between ziegler-natta and alumoxane-based single-site polymerization catalysts
US6858684B2 (en) 2002-12-30 2005-02-22 Univation Technologies, Llc Processes for transitioning between various polymerization catalysts
US6949612B2 (en) 2002-12-31 2005-09-27 Univation Technologies, Llc Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
US6833417B2 (en) 2002-12-31 2004-12-21 Univation Technologies, Llc Processes for transitioning between chrome-based and mixed polymerization catalysts
US7625987B2 (en) 2003-05-30 2009-12-01 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization and method of controlling same
US7128827B2 (en) 2004-01-14 2006-10-31 Kellogg Brown & Root Llc Integrated catalytic cracking and steam pyrolysis process for olefins
US20050159122A1 (en) 2004-01-20 2005-07-21 Mayer Robert S. Radio with simultaneous buffering of multiple stations
US7316127B2 (en) 2004-04-15 2008-01-08 Abb Lummus Global Inc. Hydrocarbon gas processing for rich gas streams
US7858719B2 (en) 2004-05-20 2010-12-28 Exxonmobil Chemical Patents Inc. Polymerization process
ES2353894T3 (es) * 2004-12-21 2011-03-08 Univation Technologies, Llc Procedimiento de transición entre catalizadores a base de ziegler-natta y a base de cromo.
US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
EP1731535A1 (en) * 2005-06-07 2006-12-13 Saudi Basic Industries Corporation Inc. Process for polymerization of olefins
DE102005056775A1 (de) 2005-11-28 2007-05-31 Basell Polyolefine Gmbh Verfahren für den Katalysatorwechsel in einem Gasphasenwirbelschichtreaktor
JP4917426B2 (ja) 2006-12-28 2012-04-18 京セラ株式会社 液体吐出装置
BRPI0923208B1 (pt) 2008-12-23 2019-04-24 Basell Polyolefine Gmbh Método para a transição de um sistema de catalisador de ziegler-natta para um sistema de catalisador de phillips para a polimerização de olefina em um reator
EP2216347A1 (en) 2009-01-30 2010-08-11 Borealis AG A method of catalyst transitions in olefin polymerizations
EP2643362B1 (en) 2010-11-26 2018-03-14 Saudi Basic Industries Corporation Process for making a solid catalyst component for ethylene polymerization and copolymerization
EP2610269A1 (en) * 2011-12-28 2013-07-03 Saudi Basic Industries Corporation Catalyst composition and method for preparing the same
CN104039840B (zh) 2011-12-31 2016-08-31 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的连续性添加剂
CN104364274A (zh) 2012-06-14 2015-02-18 沙特基础工业公司 乙烯的气相聚合
EP2935352B1 (en) 2012-12-19 2020-08-26 Saudi Basic Industries Corporation Polymerisation of ethylene in the presence of a silylchromate based catalyst.
EP3074434B1 (en) 2013-11-29 2018-05-23 Saudi Basic Industries Corporation Multi-zone reactor for continuous polymerization of alpha olefin monomers
BR112017013299A2 (pt) 2014-12-22 2018-01-02 Sabic Global Technologies Bv processo de transição entre catalisadores incompatíveis
WO2016151098A1 (en) 2015-03-24 2016-09-29 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts

Also Published As

Publication number Publication date
EA034766B1 (ru) 2020-03-18
EA201791427A1 (ru) 2018-01-31
JP2018501395A (ja) 2018-01-18
CN107207650A (zh) 2017-09-26
US20180186906A1 (en) 2018-07-05
US10494455B2 (en) 2019-12-03
WO2016102546A1 (en) 2016-06-30
EP3237458B1 (en) 2022-06-22
CN107207650B (zh) 2020-09-15
SA517381811B1 (ar) 2021-03-31
KR20170109548A (ko) 2017-09-29
EP3237458A1 (en) 2017-11-01

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B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements