AU6512100A - Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization - Google Patents

Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization Download PDF

Info

Publication number
AU6512100A
AU6512100A AU65121/00A AU6512100A AU6512100A AU 6512100 A AU6512100 A AU 6512100A AU 65121/00 A AU65121/00 A AU 65121/00A AU 6512100 A AU6512100 A AU 6512100A AU 6512100 A AU6512100 A AU 6512100A
Authority
AU
Australia
Prior art keywords
fluidized
bulk density
reactor
bed
channeling
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.)
Abandoned
Application number
AU65121/00A
Other languages
English (en)
Inventor
Ping Cai
Ivan Jeremy Hartley
Lance Lyle Jocobsen
Kiu Hee Lee
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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
Priority claimed from US09/571,528 external-priority patent/US6384157B1/en
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of AU6512100A publication Critical patent/AU6512100A/en
Abandoned 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
    • B01J8/1809—Controlling processes
    • 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
    • B01J2208/00584—Controlling the density
    • 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
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/06—Propene
    • 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
    • C08F2400/00—Characteristics for processes of polymerization
    • C08F2400/02—Control or adjustment of polymerization parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Polymerisation Methods In General (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
AU65121/00A 1999-08-03 2000-08-02 Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization Abandoned AU6512100A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14684299P 1999-08-03 1999-08-03
US60/146842 1999-08-03
US09/571528 2000-05-16
US09/571,528 US6384157B1 (en) 2000-05-16 2000-05-16 Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization
PCT/US2000/021092 WO2001009196A1 (fr) 1999-08-03 2000-08-02 Procede pour detecter et corriger la defluidisation et la canalisation locales dans des reacteurs a lit fluidise destines a la polymerisation

Publications (1)

Publication Number Publication Date
AU6512100A true AU6512100A (en) 2001-02-19

Family

ID=26844348

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65121/00A Abandoned AU6512100A (en) 1999-08-03 2000-08-02 Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization

Country Status (6)

Country Link
EP (1) EP1218416A1 (fr)
JP (1) JP2003506495A (fr)
AU (1) AU6512100A (fr)
BR (1) BR0012952A (fr)
CA (1) CA2380845A1 (fr)
WO (1) WO2001009196A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7226789B2 (en) 2001-12-17 2007-06-05 Unication Technolofies, Llc Method of applying non-linear dynamics to control a gas-phase polyethylene reactor operability
US7846736B2 (en) 2001-12-17 2010-12-07 Univation Technologies, Llc Method for polymerization reaction monitoring with determination of entropy of monitored data
EP1563903A1 (fr) * 2004-02-13 2005-08-17 Total Petrochemicals Research Feluy Gestion du gonflement dans un réacteur en boucle
AR048828A1 (es) * 2004-04-13 2006-05-31 Union Carbide Chem Plastic Uso de un fraccionamiento instantaneo para mejorar el control del reactor
US7947797B2 (en) * 2005-09-14 2011-05-24 Univation Technologies, Llc Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
US20070270558A1 (en) * 2006-05-16 2007-11-22 Paul Keith Scherrer Pulsing olefin polymerization fluidized-bed reactors
US10322394B2 (en) 2007-08-24 2019-06-18 W. R. Grace & Co.-Conn. Catalyst composition with mixed selectivity control agent and method
ES2711342T3 (es) 2007-08-24 2019-05-03 Grace W R & Co Sistema catalítico autolimitante con proporción de aluminio con respecto a SCA controlada

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543637A (en) * 1982-07-16 1985-09-24 Phillips Petroleum Company Generation of a set point for process control
FR2594548B1 (fr) * 1986-02-19 1989-05-19 Bp Chimie Sa Procede et dispositif pour detecter des anomalies dans un lit fluidise et application aux reacteurs a lit fluidise de polymerisation d'alphaolefines en phase gazeuse
FR2625506B1 (fr) * 1987-12-31 1992-02-21 Bp Chimie Sa Procede et appareillage de fabrication de polymeres controlee a l'aide d'un systeme de regulation comprenant un spectrophotometre infrarouge
EP0605002B1 (fr) * 1992-12-30 2000-08-02 Nippon Petrochemicals Co., Ltd. Procédé de polymérisation d'oléfines en phase vapeur
JP3077940B2 (ja) * 1993-04-26 2000-08-21 エクソン・ケミカル・パテンツ・インク 流動層重合法のための安定な操作条件を決定する方法
JP3056916B2 (ja) * 1993-06-29 2000-06-26 ホソカワミクロン株式会社 流動層利用の造粒制御装置

Also Published As

Publication number Publication date
WO2001009196A1 (fr) 2001-02-08
CA2380845A1 (fr) 2001-02-08
EP1218416A1 (fr) 2002-07-03
BR0012952A (pt) 2002-04-30
JP2003506495A (ja) 2003-02-18

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period