AU8488198A - Low bed-level transition, start-up, and reactor residence time control using sound waves - Google Patents

Low bed-level transition, start-up, and reactor residence time control using sound waves

Info

Publication number
AU8488198A
AU8488198A AU84881/98A AU8488198A AU8488198A AU 8488198 A AU8488198 A AU 8488198A AU 84881/98 A AU84881/98 A AU 84881/98A AU 8488198 A AU8488198 A AU 8488198A AU 8488198 A AU8488198 A AU 8488198A
Authority
AU
Australia
Prior art keywords
residence time
sound waves
time control
level transition
reactor residence
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
AU84881/98A
Inventor
Ping Cai
Christopher Scott Hunnisett
Fathi David Hussein
Lance Lyle Jacobsen
Hee Kiu Lee
Roger Brady Painter
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
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of AU8488198A publication Critical patent/AU8488198A/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
    • 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
    • B01J8/40—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 subjected to vibrations or pulsations
    • 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
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • 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
    • B01J2208/00716—Means for reactor start-up
    • 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
    • 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
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
AU84881/98A 1997-07-16 1998-07-15 Low bed-level transition, start-up, and reactor residence time control using sound waves Abandoned AU8488198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89395497A 1997-07-16 1997-07-16
US08893954 1997-07-16
PCT/US1998/014673 WO1999003901A1 (en) 1997-07-16 1998-07-15 Low bed-level transition, start-up, and reactor residence time control using sound waves

Publications (1)

Publication Number Publication Date
AU8488198A true AU8488198A (en) 1999-02-10

Family

ID=25402398

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84881/98A Abandoned AU8488198A (en) 1997-07-16 1998-07-15 Low bed-level transition, start-up, and reactor residence time control using sound waves

Country Status (2)

Country Link
AU (1) AU8488198A (en)
WO (1) WO1999003901A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721746B1 (en) * 2000-03-06 2007-05-25 이네오스 유럽 리미티드 Method for reducing sheeting and agglomerates during olefin polymerisation
US6858684B2 (en) * 2002-12-30 2005-02-22 Univation Technologies, Llc Processes for transitioning between various polymerization catalysts
ATE364641T1 (en) 2003-04-03 2007-07-15 Basell Polyolefine Gmbh PRODUCTION OF HIGH MOLECULAR POLYOLEFINS IN THE PRESENCE OF AN ORGANIC TRANSITION METAL COMPOUND IN A GAS PHASE FLUIDIZED BED REACTOR
DE10315349A1 (en) * 2003-04-03 2004-10-14 Basell Polyolefine Gmbh Preparation of polyolefin, e.g. homopolymer or copolymer of ethylene, involves the use of a catalyst comprising an organic transition metal compound in a gas-phase fluidized-bed reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994534A (en) * 1989-09-28 1991-02-19 Union Carbide Chemicals And Plastics Company Inc. Process for producing sticky polymers
US5461123A (en) * 1994-07-14 1995-10-24 Union Carbide Chemicals & Plastics Technology Corporation Gas phase fluidized bed polyolefin polymerization process using sound waves
US5453471B1 (en) * 1994-08-02 1999-02-09 Carbide Chemicals & Plastics T Gas phase polymerization process

Also Published As

Publication number Publication date
WO1999003901A1 (en) 1999-01-28

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase