[go: up one dir, main page]

FR2618786B1 - Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise - Google Patents

Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise

Info

Publication number
FR2618786B1
FR2618786B1 FR8711036A FR8711036A FR2618786B1 FR 2618786 B1 FR2618786 B1 FR 2618786B1 FR 8711036 A FR8711036 A FR 8711036A FR 8711036 A FR8711036 A FR 8711036A FR 2618786 B1 FR2618786 B1 FR 2618786B1
Authority
FR
France
Prior art keywords
reactor
fluidized bed
particles
gas
disengagement chamber
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8711036A
Other languages
English (en)
Other versions
FR2618786A1 (fr
Inventor
Charles Raufast
Andre Dumain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Chimie SA
Original Assignee
BP Chimie SA
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 BP Chimie SA filed Critical BP Chimie SA
Priority to FR8711036A priority Critical patent/FR2618786B1/fr
Priority to US07/224,997 priority patent/US4882400A/en
Priority to DE8888306983T priority patent/DE3878080T2/de
Priority to ES198888306983T priority patent/ES2038759T3/es
Priority to EP88306983A priority patent/EP0301872B1/fr
Priority to AT88306983T priority patent/ATE85349T1/de
Priority to CA000573437A priority patent/CA1301406C/fr
Priority to JP63189675A priority patent/JPS6487604A/ja
Priority to CN88104698A priority patent/CN1023122C/zh
Publication of FR2618786A1 publication Critical patent/FR2618786A1/fr
Application granted granted Critical
Publication of FR2618786B1 publication Critical patent/FR2618786B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
    • B01J8/388—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • 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
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00292—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant solids
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
FR8711036A 1987-07-31 1987-07-31 Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise Expired FR2618786B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR8711036A FR2618786B1 (fr) 1987-07-31 1987-07-31 Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
US07/224,997 US4882400A (en) 1987-07-31 1988-07-27 Process for gas phase polymerization of olefins in a fluidized bed reactor
ES198888306983T ES2038759T3 (es) 1987-07-31 1988-07-28 Proceso para la polimerizacion en fase gaseosa de olefinas en un reactor de lecho fluidificado.
EP88306983A EP0301872B1 (fr) 1987-07-31 1988-07-28 Procédé de polymérisation d'oléfines en phase gazeuse dans un réacteur à lit fluidisé
DE8888306983T DE3878080T2 (de) 1987-07-31 1988-07-28 Verfahren zur polymerisation von olefinen im gasphase in einem wirbelbett.
AT88306983T ATE85349T1 (de) 1987-07-31 1988-07-28 Verfahren zur polymerisation von olefinen im gasphase in einem wirbelbett.
CA000573437A CA1301406C (fr) 1987-07-31 1988-07-29 Methode de polymerisation des olefines en phase gazeuse dans un reacteur a lit fluidise
JP63189675A JPS6487604A (en) 1987-07-31 1988-07-30 Gas phase polymerization of olefin in fluidized bed reactor
CN88104698A CN1023122C (zh) 1987-07-31 1988-07-30 用流化床反应器进行烯烃气相聚合的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711036A FR2618786B1 (fr) 1987-07-31 1987-07-31 Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise

Publications (2)

Publication Number Publication Date
FR2618786A1 FR2618786A1 (fr) 1989-02-03
FR2618786B1 true FR2618786B1 (fr) 1989-12-01

Family

ID=9353855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8711036A Expired FR2618786B1 (fr) 1987-07-31 1987-07-31 Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise

Country Status (9)

Country Link
US (1) US4882400A (fr)
EP (1) EP0301872B1 (fr)
JP (1) JPS6487604A (fr)
CN (1) CN1023122C (fr)
AT (1) ATE85349T1 (fr)
CA (1) CA1301406C (fr)
DE (1) DE3878080T2 (fr)
ES (1) ES2038759T3 (fr)
FR (1) FR2618786B1 (fr)

Families Citing this family (240)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3366573D1 (en) * 1982-06-24 1986-11-06 Bp Chimie Sa Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
US5208109A (en) * 1982-06-24 1993-05-04 Bp Chemicals Limited Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
FR2646426B2 (fr) * 1988-09-13 1991-08-16 Bp Chemicals Sa Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite
FR2642429B1 (fr) * 1989-01-31 1991-04-19 Bp Chimie Sa Procede et appareil de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
FR2666337B1 (fr) * 1990-08-31 1994-04-08 Bp Chemicals Snc Procede regule de polymerisation d'olefine en phase gazeuse effectue a l'aide d'un catalyseur de type ziegler-natta.
AU701999B2 (en) * 1993-05-20 1999-02-11 Bp Chemicals Limited Polymerisation process
ZA943399B (en) * 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
US6001938A (en) * 1993-05-20 1999-12-14 Bp Chemicals Limited Polymerization process
US5969061A (en) * 1995-10-16 1999-10-19 Eastman Chemical Company Suppression of fines in a fluid bed polyethylene process
GB9524038D0 (en) * 1995-11-23 1996-01-24 Bp Chem Int Ltd Nozzle
EP0824115A1 (fr) * 1996-08-13 1998-02-18 Bp Chemicals S.N.C. Procédé de polymérisation
EP0824116A1 (fr) * 1996-08-13 1998-02-18 Bp Chemicals S.N.C. Procédé de polymérisation
FR2758823B1 (fr) * 1997-01-24 1999-06-04 Bp Chemicals Snc Procede de polymerisation en phase gazeuse
DE19744710A1 (de) 1997-10-10 1999-04-15 Bayer Ag Gasphasenpolymerisation in einem Kelchreaktor
DE19800020A1 (de) 1998-01-05 1999-07-08 Basf Ag Kontinuierliches Gasphasenpolymerisationsverfahren
US6191239B1 (en) 1998-02-18 2001-02-20 Eastman Chemical Company Process for producing polyethylene
US6228957B1 (en) 1998-02-18 2001-05-08 Eastman Chemical Company Process for producing polyethlene
US6534613B2 (en) 1998-02-18 2003-03-18 Eastman Chemical Company Process for producing polyethylene
US6271321B1 (en) 1998-02-18 2001-08-07 Eastman Chemical Company Process for producing polyethylene
EP0958857A1 (fr) * 1998-05-14 1999-11-24 Bp Chemicals S.N.C. Procédé d'introduction d'un catalyseur dans une réaction de polymérisation en phase gazeuse
TR200000617T1 (tr) 1998-07-08 2000-10-23 Montell Tecnology Company Bv Gazı-fazı polimerizasyonu için işlem ve aygıt.
US6291613B1 (en) 1998-10-27 2001-09-18 Eastman Chemical Company Process for the polymerization of olefins
CA2314140A1 (fr) 1998-10-27 2000-05-04 Randal Ray Ford Technique de polymerisation d'olefines, nouveaux polyethylenes, films et articles produits a l'aide de ces polyethylenes
US6288181B1 (en) 1999-03-30 2001-09-11 Eastman Chemical Company Process for producing polyolefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
WO2000058374A1 (fr) 1999-03-30 2000-10-05 Eastman Chemical Company Procede de production de polyolefines
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6306981B1 (en) 1999-04-02 2001-10-23 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization process
US6417298B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6417299B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
JP2003522221A (ja) 1999-08-31 2003-07-22 イーストマン ケミカル カンパニー ポリオレフィンの製造方法
DE19949193C2 (de) * 1999-10-13 2001-11-29 Messer Griesheim Gmbh Verfahren und Vorrichtung zur Durchführung einer Reaktion zwischen gasförmigen und festen Reaktanten in einer fluidisierten Partikelschicht
CA2396736A1 (fr) 2000-01-12 2001-07-19 Eastman Chemical Company Procatalyseurs comprenant des ligands bidentes, systemes de catalyseurs et leur utilisation dans la polymerisation d'olefines
US6465383B2 (en) 2000-01-12 2002-10-15 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
US6696380B2 (en) 2000-01-12 2004-02-24 Darryl Stephen Williams Procatalysts, catalyst systems, and use in olefin polymerization
FR2807758A1 (fr) * 2000-04-13 2001-10-19 Bp Chemicals Snc Procede continu de (co)-polymerisation a lit fluidise
US6359083B1 (en) * 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
WO2002040547A1 (fr) * 2000-11-14 2002-05-23 Dsm N.V. Reacteur a lit fluidise
US6759492B2 (en) 2001-07-24 2004-07-06 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6646073B2 (en) 2001-07-24 2003-11-11 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6660817B2 (en) 2001-07-24 2003-12-09 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6635726B2 (en) 2001-07-24 2003-10-21 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
DE10156202A1 (de) * 2001-11-15 2003-06-05 Basell Polyolefine Gmbh Kontinuierliches Gasphasenpolymerisationsverfahren
TW200504093A (en) * 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
US6870010B1 (en) 2003-12-01 2005-03-22 Univation Technologies, Llc Low haze high strength polyethylene compositions
US7270791B2 (en) * 2004-05-17 2007-09-18 Univation Technologies, Llc Angular flow distribution bottom head
US7193017B2 (en) * 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
DE102004054304A1 (de) * 2004-11-09 2006-05-11 Basell Polyolefine Gmbh Vorrichtung und Verfahren zur Gasphasenpolymerisation von Olefinen
DE102004054628A1 (de) 2004-11-11 2006-05-18 Basell Polyolefine Gmbh Vorrichtung zur Gasphasenpolymerisation von Olefinen, insbesondere Ethylen
US7312279B2 (en) * 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
CA2608318A1 (fr) * 2005-05-13 2006-11-16 Basell Poliolefine Italia S.R.L. Procede pour la polymerisation d'olefines en phase gazeuse
CN100460051C (zh) * 2005-11-17 2009-02-11 沈阳化工研究院 双环流复合式反应装置
US7718139B2 (en) * 2006-07-20 2010-05-18 Westlake Longview Corporation Process and apparatus for olefin polymerization in a fluidized bed reactor
US8876942B2 (en) * 2007-12-27 2014-11-04 Univation Technologies, Llc Systems and methods for removing entrained particulates from gas streams, and reactor systems
CN102015090B (zh) 2008-04-22 2014-03-12 尤尼威蒂恩技术有限公司 反应器系统和使用该反应器系统的方法
EP2174706A1 (fr) 2008-10-03 2010-04-14 Ineos Europe Limited Appareil et procédé pour la polymerisation en phase gazeuse dans un lit fluidisé
CN102186575B (zh) * 2008-10-15 2014-09-03 尤尼威蒂恩技术有限公司 循环流化床反应器
WO2010080870A2 (fr) 2009-01-08 2010-07-15 Univation Technologies,Llc Additif pour des procédés de polymérisation de polyoléfines
WO2010080871A1 (fr) 2009-01-08 2010-07-15 Univation Technologies, Llc Additif pour procédés de polymérisation en phase gazeuse
CN102482372B (zh) 2009-07-23 2013-09-04 尤尼威蒂恩技术有限公司 聚合反应系统
EP2510019A2 (fr) 2009-12-07 2012-10-17 Univation Technologies, LLC Procédés de réduction d'une charge statique d'un catalyseur et procédés d'utilisation du catalyseur pour produire des polyoléfines
CN102656195A (zh) 2009-12-18 2012-09-05 尤尼威蒂恩技术有限责任公司 制备具有不同的剪切变稀性能和雾度的聚烯烃产品的方法
EP2348056A1 (fr) 2010-01-26 2011-07-27 Ineos Europe Limited Procédé pour la polyménisation d'oléfines en phase gaz
WO2011103280A1 (fr) 2010-02-18 2011-08-25 Univation Technologies, Llc Procédés d'exploitation d'un réacteur de polymérisation
US8835582B2 (en) 2010-02-22 2014-09-16 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2011129956A1 (fr) 2010-04-13 2011-10-20 Univation Technologies, Llc Mélanges de polymères et films obtenus à partir de ceux-ci
RU2564301C2 (ru) 2010-07-16 2015-09-27 Юнивейшн Текнолоджиз, Ллк Системы и способы измерения накопления частиц на поверхностях реактора
WO2012009215A1 (fr) 2010-07-16 2012-01-19 Univation Technologies, Llc Systèmes et procédés pour mesurer la charge statique portée par des particules
WO2012015898A1 (fr) 2010-07-28 2012-02-02 Univation Technologies, Llc Systèmes et procédés pour mesurer la vitesse d'un mélange particule/fluide
EP2457647A1 (fr) 2010-11-29 2012-05-30 Ineos Commercial Services UK Limited Appareil et procédé
GB2487179A (en) * 2010-11-30 2012-07-18 Mortimer Tech Holdings Toroidal Bed Reactor
CN103298842B (zh) 2010-12-17 2016-08-31 尤尼威蒂恩技术有限责任公司 从聚烯烃吹扫气体产物回收烃的系统以及方法
EP2465877A1 (fr) 2010-12-20 2012-06-20 Ineos Commercial Services UK Limited Procédé
CN103347905B (zh) 2010-12-22 2015-12-16 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
US8198384B1 (en) 2011-01-10 2012-06-12 Westlake Longview Corporation Method for preventing or reducing clogging of a fines ejector
WO2013028283A1 (fr) 2011-08-19 2013-02-28 Univation Technologies, Llc Systèmes de catalyseur et leurs procédés d'utilisation pour la production de produits de polyoléfine
ES2798272T3 (es) 2011-11-08 2020-12-10 Univation Tech Llc Métodos de preparación de un sistema catalítico
CN103930452B (zh) 2011-11-08 2016-08-31 尤尼威蒂恩技术有限责任公司 采用催化剂体系生产聚烯烃的方法
US9133079B2 (en) 2012-01-13 2015-09-15 Siluria Technologies, Inc. Process for separating hydrocarbon compounds
WO2013133956A2 (fr) 2012-03-05 2013-09-12 Univation Technologies, Llc Procédés de production de compositions de catalyseur et produits polymères produits à partir de celles-ci
WO2013177433A2 (fr) 2012-05-24 2013-11-28 Siluria Technologies, Inc. Systèmes et procédés de couplage oxydant du méthane
US20150119538A1 (en) 2012-06-15 2015-04-30 Saudi Basic Industries Corporation Gas phase polymerisation of ethylene
US9969660B2 (en) 2012-07-09 2018-05-15 Siluria Technologies, Inc. Natural gas processing and systems
US10221263B2 (en) 2012-11-01 2019-03-05 Univation Technologies, Llc Mixed compatible Ziegler-Natta / chromium catalysts for improved polymer products
US9598328B2 (en) 2012-12-07 2017-03-21 Siluria Technologies, Inc. Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products
EP4039366A1 (fr) 2012-12-28 2022-08-10 Univation Technologies, LLC Catalyseur supporté ayant un écoulement amélioré
BR112015015373B1 (pt) 2012-12-28 2020-12-15 Univation Technologies, Llc Método para integração da produção de aluminoxano na produçâo de um catalisador
KR102214265B1 (ko) 2013-01-14 2021-02-10 유니베이션 테크놀로지즈, 엘엘씨 증가된 생산성을 갖는 촉매 시스템의 제조 방법
ES2949819T3 (es) 2013-02-07 2023-10-03 Univation Tech Llc Preparación de poliolefina
KR101462466B1 (ko) 2013-03-07 2014-11-17 대림산업 주식회사 올레핀의 중합 방법
EP2970526B1 (fr) 2013-03-15 2017-08-09 Univation Technologies, LLC Ligands pour catalyseurs
ES2667196T3 (es) 2013-03-15 2018-05-10 Univation Technologies, Llc Ligandos tridentados basados en nitrógeno para catalizadores de la polimerización de olefinas
EP3287473B1 (fr) 2013-06-05 2019-10-16 Univation Technologies, LLC Protection de groupes phénol
WO2015081122A2 (fr) 2013-11-27 2015-06-04 Siluria Technologies, Inc. Réacteurs et systèmes destinés au couplage oxydatif du méthane
US9809656B2 (en) 2013-12-09 2017-11-07 Univation Technologies, Llc Feeding polymerization additives to polymerization processes
US9334336B2 (en) * 2013-12-20 2016-05-10 Chevron Phillips Chemical Company, Lp Polyolefin reactor system having a gas phase reactor and solids recovery
CA2935937A1 (fr) 2014-01-08 2015-07-16 Siluria Technologies, Inc. Systemes et procedes de conversion d'ethylene en liquides
US10377682B2 (en) 2014-01-09 2019-08-13 Siluria Technologies, Inc. Reactors and systems for oxidative coupling of methane
EP3097068A4 (fr) 2014-01-09 2017-08-16 Siluria Technologies, Inc. Couplage oxydatif d'implémentations méthaniques pour la production d'oléfines
EP3105262B1 (fr) 2014-02-11 2022-03-30 Univation Technologies, LLC Procédé de préparation de copolymères d'éthylène
EP2913345B1 (fr) * 2014-02-28 2016-11-02 Borealis AG Procédé de polymérisation en phase gazeuse
MX2016016258A (es) 2014-06-16 2017-05-01 Univation Tech Llc Métodos de modificación de la relación de flujo fundido y/o incremento de resinas de polietileno.
SG11201610364PA (en) 2014-06-16 2017-01-27 Univation Tech Llc Polyethylene resins
US10035964B2 (en) 2014-07-04 2018-07-31 Tubitak Circulating fluidized bed gasification or combustion system
WO2016028278A1 (fr) 2014-08-19 2016-02-25 Univation Technologies, Llc Supports de catalyseurs fluorés et systèmes de catalyseurs
US10233270B2 (en) 2014-08-19 2019-03-19 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
SG11201701265UA (en) 2014-08-19 2017-03-30 Univation Tech Llc Fluorinated catalyst supports and catalyst systems
CN104190330B (zh) * 2014-08-29 2016-01-27 中国科学院山西煤炭化学研究所 射流流化床反应装置及其烯烃聚合的方法
CN107207649B (zh) 2014-12-22 2020-06-23 Sabic环球技术有限责任公司 不相容催化剂之间的转换方法
JP2018501395A (ja) 2014-12-22 2018-01-18 サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ 非相容性触媒間の移行方法
SG11201705576YA (en) 2015-01-21 2017-08-30 Univation Tech Llc Methods for gel reduction in polyolefins
US10471641B2 (en) 2015-01-21 2019-11-12 Univation Technologies, Llc Methods for controlling polymer chain scission
US10793490B2 (en) 2015-03-17 2020-10-06 Lummus Technology Llc Oxidative coupling of methane methods and systems
US9334204B1 (en) 2015-03-17 2016-05-10 Siluria Technologies, Inc. Efficient oxidative coupling of methane processes and systems
EP3274374B1 (fr) 2015-03-24 2018-10-24 SABIC Global Technologies B.V. Procédé de transition entre des catalyseurs incompatibles
US20160289143A1 (en) 2015-04-01 2016-10-06 Siluria Technologies, Inc. Advanced oxidative coupling of methane
CN107531839B (zh) 2015-04-24 2021-05-25 尤尼威蒂恩技术有限责任公司 用于操作聚合反应器的方法
US9328297B1 (en) 2015-06-16 2016-05-03 Siluria Technologies, Inc. Ethylene-to-liquids systems and methods
WO2016205411A2 (fr) 2015-06-16 2016-12-22 Siluria Technologies, Inc. Systèmes et procédés de conversion d'éthylène en liquides
US10577435B2 (en) 2015-08-26 2020-03-03 Sabic Global Technologies B.V. Ethylene gas phase polymerisation process
EP3362425B1 (fr) 2015-10-16 2020-10-28 Lummus Technology LLC Procédés de séparation et systèmes de couplage oxydatif du méthane
WO2017108347A1 (fr) 2015-12-22 2017-06-29 Sabic Global Technologies B.V. Procédé de transition entre des catalyseurs incompatibles
KR102320610B1 (ko) 2016-03-31 2021-11-03 다우 글로벌 테크놀로지스 엘엘씨 올레핀 중합 촉매계 및 이의 사용 방법
ES2775787T3 (es) 2016-03-31 2020-07-28 Dow Global Technologies Llc Sistemas catalíticos para polimerización de olefinas y métodos de uso de los mismos
BR112018068879B1 (pt) 2016-03-31 2022-11-16 Dow Global Technologies Llc Sistema catalisador de polimerização de olefina e polímero à base de olefina
EP3442934A4 (fr) 2016-04-13 2019-12-11 Siluria Technologies, Inc. Couplage oxydant de méthane pour la production d'oléfines
CN109983039B (zh) 2016-09-27 2022-02-18 尤尼威蒂恩技术有限责任公司 用于聚乙烯生产中长链支化控制的方法
ES2819891T3 (es) 2016-09-30 2021-04-19 Dow Global Technologies Llc Complejos de metales del grupo IV de fosfaguanidina bis-ligados y catalizadores de polimerización de olefinas producidos a partir de los mismos
EP3519467B1 (fr) 2016-09-30 2021-03-17 Dow Global Technologies LLC Ligands bis-phosphaguanidine et poly-phosphaguanidine avec catalyseurs métalliques du groupe iv produits à partir de ceux-ci
WO2018064493A1 (fr) 2016-09-30 2018-04-05 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines métalliques du groupe iv de phosphaguanidine
BR112019006302B1 (pt) 2016-09-30 2022-10-18 Dow Global Technologies Llc Composição e método de polimerização
WO2018063799A1 (fr) 2016-09-30 2018-04-05 Dow Global Technologies Llc Catalyseurs thiourée-métal de transition du groupe iv, et systèmes de polymérisation
US10457753B2 (en) 2016-10-14 2019-10-29 Chevron Phillips Chemical Company Lp Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors
KR102454616B1 (ko) 2016-11-08 2022-10-18 유니베이션 테크놀로지즈, 엘엘씨 폴리에틸렌 조성물
CA3043011A1 (fr) 2016-11-08 2018-05-17 Univation Technologies, Llc Composition de polyethylene faible densite lineaire bimodal
US11149136B2 (en) 2016-11-08 2021-10-19 Univation Technologies, Llc Bimodal polyethylene
EP3554672A4 (fr) 2016-12-19 2020-08-12 Siluria Technologies, Inc. Procédés et systèmes pour effectuer des séparations chimiques
US11186654B2 (en) 2016-12-20 2021-11-30 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
CN110167975A (zh) 2017-01-11 2019-08-23 Sabic环球技术有限责任公司 用于乙烯聚合的氧化铬催化剂
WO2018130539A1 (fr) 2017-01-11 2018-07-19 Sabic Global Technologies B.V. Catalyseur à base d'oxyde de chrome pour la polymérisation d'éthylène
US11208512B2 (en) 2017-02-13 2021-12-28 Univation Technologies, Llc Bimodal polyethylene resins
WO2018217924A1 (fr) 2017-05-23 2018-11-29 Siluria Technologies, Inc. Intégration de procédés de couplage oxydant du méthane
US10836689B2 (en) 2017-07-07 2020-11-17 Lummus Technology Llc Systems and methods for the oxidative coupling of methane
CA3073702A1 (fr) 2017-08-28 2019-03-07 Univation Technologies, Llc Polyethylene bimodal
SG11202002090SA (en) 2017-09-11 2020-04-29 Univation Tech Llc Carbon black-containing bimodal polyethylene composition
EP3700946B1 (fr) 2017-10-27 2021-09-08 Univation Technologies, LLC Transition sélective de processus de polymérisation
EP3700948B1 (fr) 2017-10-27 2023-09-20 Univation Technologies, LLC Résines et films de copolymères de l'éthylene
US11325927B2 (en) 2017-12-05 2022-05-10 Univation Technologies, Llc Activated spray-dried Ziegler-Natta catalyst system
SG11202004922SA (en) 2017-12-05 2020-06-29 Univation Tech Llc Modified spray-dried ziegler-natta (pro)catalyst systems
US11421051B2 (en) 2017-12-18 2022-08-23 Dow Global Technologies Llc Zirconocene-titanocene catalyst system
KR20200099540A (ko) 2017-12-18 2020-08-24 다우 글로벌 테크놀로지스 엘엘씨 하프노센-티타노센 촉매 시스템
CN108456270A (zh) * 2018-01-25 2018-08-28 合肥中科富华新材料有限公司 一种医用聚乙烯的制备合成方法
EP3768739B1 (fr) 2018-03-19 2025-07-23 Univation Technologies, LLC Copolymère éthylène/1-hexène
WO2019190897A1 (fr) 2018-03-26 2019-10-03 Dow Global Technologies Llc Système de catalyseur de type zirconocène séché par pulvérisation
MX2020009655A (es) 2018-03-28 2020-10-08 Univation Tech Llc Composicion de polietileno multimodal.
CA3099703A1 (fr) 2018-05-24 2019-11-28 Univation Technologies, Llc Copolymere de polyethylene unimodal et son film
CA3102426A1 (fr) 2018-06-12 2019-12-19 Dow Global Technologies Llc Formulations d'activateur-nucleateur
CA3102436A1 (fr) 2018-06-13 2019-12-19 Univation Technologies, Llc Copolymere de polyethylene bimodal et son film
SG11202011750QA (en) 2018-06-13 2020-12-30 Univation Tech Llc Spray-dried ziegler-natta (pro)catalyst systems
WO2020028229A1 (fr) 2018-07-31 2020-02-06 Univation Technologies, Llc Copolymère de polyéthylène unimodal et son film
SG11202100286QA (en) 2018-07-31 2021-03-30 Univation Tech Llc Unimodal polyethylene copolymer and film thereof
BR112021001038B1 (pt) 2018-07-31 2024-01-30 Dow Global Technologies Llc Formulação de polietileno, e, artigo
US12173108B2 (en) 2018-08-29 2024-12-24 Univation Technologies, Llc Method of changing melt rheology property of bimodal polyethylene polymer
EP3844194A1 (fr) 2018-08-29 2021-07-07 Univation Technologies, LLC Copolymère de polyéthylène bimodal et film constitué de ce copolymère
WO2020046406A1 (fr) 2018-08-30 2020-03-05 Exxonmobil Chemical Patents Inc. Procédés de polymérisation et polymères fabriqués au moyen de ces derniers
SG11202102947QA (en) 2018-09-28 2021-04-29 Univation Tech Llc Bimodal polyethylene copolymer composition and pipe made thereof
CN113039212B (zh) 2018-11-01 2023-04-14 埃克森美孚化学专利公司 干燥催化剂进料的管线内修整
CN113039211B (zh) 2018-11-01 2023-04-14 埃克森美孚化学专利公司 通过修整的催化剂在线调节和烯烃聚合
WO2020092606A1 (fr) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. Ajustement dans une conduite de rapport de catalyseur mixte et polymérisation d'oléfine
US12043679B2 (en) 2018-11-01 2024-07-23 Exxonmobil Chemical Patents Inc. On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same
CN112996821B (zh) 2018-11-01 2023-04-28 埃克森美孚化学专利公司 具有可通过冷凝剂调节的性质的混合催化剂体系
US20220056168A1 (en) 2018-11-01 2022-02-24 Exxonmobil Chemical Patents Inc. Slurry Trim Feeder Modifications
SG11202103828RA (en) 2018-11-06 2021-05-28 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
WO2020096735A1 (fr) 2018-11-06 2020-05-14 Dow Global Technologies Llc Procédé de polymérisation d'oléfines utilisant un pré-catalyseur non métallocène soluble dans les alcanes
ES2966472T3 (es) 2018-11-06 2024-04-22 Dow Global Technologies Llc Precatalizadores no metaloceno solubles en alcanos
EP3659702B1 (fr) * 2018-11-29 2024-02-21 Borealis AG Procédé de fourniture d'une boue homogène contenant des particules
EP3914629B1 (fr) 2019-01-25 2024-04-03 SABIC Global Technologies B.V. Catalyseur d'oxyde de chrome destiné à la polymérisation de l'éthylène
EP3715385B1 (fr) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Catalyseur d'oxyde de chrome destiné à la polymérisation de l'éthylène
US20220162358A1 (en) 2019-04-30 2022-05-26 Dow Global Technologies Llc Bimodal poly(ethylene-co-1-alkene) copolymer
BR112021021300A2 (pt) 2019-04-30 2021-12-14 Dow Global Technologies Llc Complexo metal-ligante, sistema catalisador bimodal, método para fabricar um catalisador de polimerização, catalisador de polimerização, método para fabricar um polímero de poliolefina, e, polímero de poliolefina
WO2020223191A1 (fr) 2019-04-30 2020-11-05 Dow Global Technologies Llc Copolymère de poly(éthylène-co-1-alcène) bimodal
EP3980491B1 (fr) 2019-06-10 2023-05-03 Univation Technologies, LLC Mélange de polyéthylène
AR119631A1 (es) 2019-08-26 2021-12-29 Dow Global Technologies Llc Composición a base de polietileno bimodal
US12234347B2 (en) 2019-09-26 2025-02-25 Univation Technologies, Llc Bimodal polyethylene homopolymer composition
US11027253B2 (en) 2019-09-26 2021-06-08 Chevron Phillips Chemical Company Lp Systems and methods for reducing heat exchanger fouling rate
CN115023446B (zh) 2020-01-27 2024-08-30 台塑工业美国公司 制备催化剂的工艺和催化剂组合物
EP4126998A1 (fr) 2020-04-01 2023-02-08 Dow Global Technologies LLC Copolymère de polyéthylène basse densité linéaire bimodal
CA3180273A1 (fr) 2020-05-29 2021-12-02 Rhett A. BAILLIE Systemes catalyseurs et procedes de production de polyethylene a l'aide de ceux-ci
BR112022023898A2 (pt) 2020-05-29 2022-12-27 Dow Global Technologies Llc Métodos para produzir um catalisador não metalocênico de produtividade aprimorada, de alimentar um catalisador não metalocênico de produtividade aprimorada a um reator de polimerização em fase de lama, em fase de solução ou em fase gasosa e para produzir um polímero de poliolefina, catalisador não metalocênico de produtividade aprimorada, sistema catalisador multimodal, polímero de poliolefina, e, artigo fabricado
CN115667329B (zh) 2020-05-29 2025-06-06 尤尼威蒂恩技术有限责任公司 用于挤出吹塑转筒应用的具有改善的模量的单反应器双峰聚乙烯
KR20230017245A (ko) 2020-05-29 2023-02-03 다우 글로벌 테크놀로지스 엘엘씨 감쇠된 포스트-메탈로센 촉매
KR20230018434A (ko) 2020-05-29 2023-02-07 다우 글로벌 테크놀로지스 엘엘씨 화학적으로 전환된 촉매
CA3180275A1 (fr) 2020-05-29 2021-12-02 Rhett A. BAILLIE Systemes catalytiques et procedes de production de polyethylene a l'aide de ceux-ci
BR112022023845A2 (pt) 2020-05-29 2022-12-20 Dow Global Technologies Llc Métodos para produzir um catalisador pós-metalocênico atenuado, de alimentar um catalisador pós-metalocênico a um reator de polimerização em fase de lama ou em fase gasosa e para produzir um polímero poliolefínico, catalisador pós-metalocênico atenuado, e, sistema de catalisador multimodal
WO2021242801A1 (fr) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyseurs hybrides atténués
CA3172236A1 (fr) 2020-05-29 2021-12-02 Rhett A. BAILLIE Catalyseurs post-metallocenes attenues
WO2021243216A1 (fr) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyseurs séchés par pulvérisation contenant un composé organométallique bis-biphényl-phénoxy à pont germanium pour la fabrication de copolymères à base d'éthylène
EP4192890A1 (fr) 2020-08-05 2023-06-14 Dow Global Technologies LLC Compositions thermoplastiques comprenant des polymères recyclés et articles fabriqués à partir de celles-ci
WO2022031397A1 (fr) 2020-08-05 2022-02-10 Dow Global Technologies Llc Compositions thermoplastiques comprenant un polyéthylène bimodal et articles fabriqués à partir de ces derniers
BR112023003324A2 (pt) 2020-09-22 2023-04-04 Dow Global Technologies Llc Copolímero bimodal, filme, e, método para fazer um filme soprado
WO2022072223A1 (fr) 2020-09-30 2022-04-07 Univation Technologies, Llc Copolymères de polyéthylène bimodal pour des applications dans des conduites en pe-80
CN114470979B (zh) * 2020-11-13 2024-06-25 中国石油天然气股份有限公司 吹扫装置及聚乙烯生产设备
CN116964107A (zh) 2021-02-11 2023-10-27 埃克森美孚化学专利公司 聚合一种或多种烯烃的方法
JP2024507772A (ja) 2021-02-15 2024-02-21 ダウ グローバル テクノロジーズ エルエルシー 逆転コモノマー分布を有するポリ（エチレン－コ－１－アルケン）コポリマーの製造方法
US20240066514A1 (en) 2021-03-05 2024-02-29 Exxonmobil Chemical Patents Inc. Processes for making and using slurry catalyst mixtures
WO2022214420A1 (fr) 2021-04-06 2022-10-13 Sabic Global Technologies B.V. Catalyseur à base de chrome pour la polymérisation d'éthylène
WO2023034253A1 (fr) 2021-08-31 2023-03-09 Lummus Technology Llc Procédés et systèmes pour la mise en œuvre du couplage oxydatif du méthane
WO2023064917A1 (fr) 2021-10-15 2023-04-20 Univation Technologies, Llc Résine de hdpe pour lpbm utilisant un catalyseur de chrome avancé par une technologie en phase gazeuse à base de polyéthylène
US20240425627A1 (en) 2021-10-15 2024-12-26 Univation Technologies, Llc Hdpe intermediate bulk container resin using advanced chrome catalyst by polyethylene gas phase technology
CN118139902A (zh) 2021-10-21 2024-06-04 尤尼威蒂恩技术有限责任公司 双峰聚(乙烯-共-1-烯烃)共聚物和由其制备的吹塑中型散装容器
CA3238446A1 (fr) 2021-11-23 2023-06-01 Andrew M. Camelio Systemes catalytiques supportes contenant un compose organometallique bis-biphenyl-phenoxy substitue par anthracenyle a pont germanium pour fabriquer des resines de polyethylene et de copolymere de polyethylene dans un reacteur de polymerisation en phase gazeus
US20250051495A1 (en) 2021-11-23 2025-02-13 Dow Global Technologies Llc Supported catalyst systems containing a silocon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
US20250011478A1 (en) 2021-11-23 2025-01-09 Dow Global Technologies Llc Supported catalyst systems containing a carbon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
CN114042425A (zh) * 2021-11-25 2022-02-15 浙江义九氢能源科技股份有限公司 一种氢硼化物专用氢化流化床
AR128453A1 (es) 2022-02-11 2024-05-08 Dow Global Technologies Llc Composiciones de polietileno de densidad media bimodal adecuadas para el uso como cintas de goteo de microirrigación
WO2023239560A1 (fr) 2022-06-09 2023-12-14 Formosa Plastics Corporaton, U.S.A. Activateurs de support composites d'argile et compositions de catalyseur
CN120202060A (zh) 2022-12-12 2025-06-24 尤尼威蒂恩技术有限责任公司 减少聚烯烃颗粒的摩擦生电和/或反应器结垢
CN120322466A (zh) 2022-12-19 2025-07-15 陶氏环球技术有限责任公司 制备形态改善的聚乙烯粉末的方法
WO2024132273A1 (fr) 2022-12-20 2024-06-27 Sabic Global Technologies B.V. Catalyseur pour la polymérisation de polyéthylène
WO2024132245A1 (fr) 2022-12-20 2024-06-27 Sabic Global Technologies B.V. Procédé de production de polyéthylène
WO2024220175A1 (fr) 2023-04-19 2024-10-24 Dow Global Technologies Llc Tuyaux comprenant des compositions de polyéthylène multimodal haute densité
WO2024253859A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines supportés comprenant des composés 2-hydroxythiophène substitués
WO2024253864A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines supportés comprenant des composés 2-hydroxythiophène substitués
WO2024253861A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs supportés de polymérisation d'oléfines comprenant des composés 2-hydroxythiophène substitués
WO2024253860A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines supportés comprenant des composés 2-hydroxythiophène substitués
WO2024253863A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines supportés comprenant des composés 2-hydroxythiophène substitués
WO2024253862A1 (fr) 2023-06-08 2024-12-12 Dow Global Technologies Llc Catalyseurs de polymérisation d'oléfines supportés comprenant des composés 2-hydroxythiophène substitués
WO2024263748A1 (fr) 2023-06-23 2024-12-26 Univation Technologies, Llc Copolymère de polyéthylène haute densité bimodal fabriqué par réacteur unique et procédés et articles
WO2025034361A1 (fr) 2023-08-10 2025-02-13 Dow Global Technologies Llc Composition de polyéthylène multimodal
WO2025078081A1 (fr) 2023-10-09 2025-04-17 Sabic Global Technologies B.V. Procédé de transition entre des catalyseurs incompatibles
WO2025101264A1 (fr) 2023-11-09 2025-05-15 Dow Global Technologies Llc Compositions de polyéthylène multimodal
WO2025128220A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
WO2025128218A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
WO2025128214A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
WO2025128219A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
WO2025128216A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
WO2025128217A1 (fr) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additif pour catalyseur
CN119306872A (zh) * 2024-12-16 2025-01-14 新疆独山子石油化工有限公司 气相法连续生产聚烯烃弹性体的方法和系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023203A (en) * 1957-08-16 1962-02-27 Phillips Petroleum Co Polymerization process
FR1290555A (fr) * 1960-05-18 1962-04-13 Montedison Spa Procédé et appareil pour la polymérisation d'alpha-oléfines avec obtention de hauts polymères cristallins par une technique à couche fluidifiée
US4640963A (en) * 1985-02-15 1987-02-03 Standard Oil Company (Indiana) Method and apparatus for recycle of entrained solids in off-gas from a gas-phase polyolefin reactor
JP3166016B2 (ja) * 1992-08-03 2001-05-14 日本電信電話株式会社 アレーアンテナ

Also Published As

Publication number Publication date
CN1023122C (zh) 1993-12-15
EP0301872B1 (fr) 1993-02-03
CA1301406C (fr) 1992-05-19
US4882400A (en) 1989-11-21
ATE85349T1 (de) 1993-02-15
CN1030918A (zh) 1989-02-08
DE3878080D1 (de) 1993-03-18
EP0301872A1 (fr) 1989-02-01
ES2038759T3 (es) 1993-08-01
FR2618786A1 (fr) 1989-02-03
JPS6487604A (en) 1989-03-31
DE3878080T2 (de) 1993-05-19

Similar Documents

Publication Publication Date Title
FR2618786B1 (fr) Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
FR2642429B1 (fr) Procede et appareil de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
DK271987D0 (da) Forbraendingsovn med et fluidiseret bundlag, der cirkulerer mellem to trin, samt en fremgangsmaade til drift af ovnen
SE7609676L (sv) Anordning for forbrenning av kolhaltiga emnen
GB1500096A (en) Method of carrying out endothermic processes
DE68913857D1 (de) Schneller Wirbelschichtreaktor.
IE861586L (en) Fluidised bed reactor
SE7705944L (sv) System med fluidiserad bedd
PL293179A1 (en) Apparatus for conducting chemical reactions between a gas and particulate solids in a chamber
GB1248953A (en) Production of polyolefines using a silyl chromate catalyst
GB1527021A (en) Method and apparatus for endothermic reduction processes
FR2741549B1 (fr) Procede d'introduction d'un catalyseur dans un reacteur de polymerisation d'olefine en phase gazeuse
GB1506170A (en) Process and apparatus for reducing pulverized material containing iron oxides
DE3365035D1 (en) Gas distributor for fluidized beds
ES2099238T3 (es) Instalacion de reduccion de mineral de hierro en lecho fluidificado circulante.
JPS5715836A (en) Particle circulator

Legal Events

Date Code Title Description
ST Notification of lapse