TW343202B - Static control with TEOS tetraethylorthosilicate - Google Patents

Static control with TEOS tetraethylorthosilicate

Info

Publication number
TW343202B
TW343202B TW086113687A TW86113687A TW343202B TW 343202 B TW343202 B TW 343202B TW 086113687 A TW086113687 A TW 086113687A TW 86113687 A TW86113687 A TW 86113687A TW 343202 B TW343202 B TW 343202B
Authority
TW
Taiwan
Prior art keywords
reactor
electrostatic level
negative
positive
charge inducing
Prior art date
Application number
TW086113687A
Other languages
English (en)
Inventor
Hussein Ali Ahmed
Michael Chranowski Steven
Gregory Foster John
Ambbrose Geoghegan Tomas
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of TW343202B publication Critical patent/TW343202B/zh

Links

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
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • B01J2208/00734—Controlling static charge

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
TW086113687A 1996-09-20 1997-11-17 Static control with TEOS tetraethylorthosilicate TW343202B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/717,005 US5731392A (en) 1996-09-20 1996-09-20 Static control with TEOS

Publications (1)

Publication Number Publication Date
TW343202B true TW343202B (en) 1998-10-21

Family

ID=24880339

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086113687A TW343202B (en) 1996-09-20 1997-11-17 Static control with TEOS tetraethylorthosilicate

Country Status (8)

Country Link
US (1) US5731392A (zh)
EP (1) EP0927199A4 (zh)
JP (1) JP2001500562A (zh)
KR (1) KR20000048502A (zh)
AU (1) AU714728B2 (zh)
CA (1) CA2266664A1 (zh)
TW (1) TW343202B (zh)
WO (1) WO1998012231A1 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959082A1 (en) * 1998-05-19 1999-11-24 Bp Chemicals S.N.C. Polymerisation process
EP0959081A1 (en) * 1998-05-19 1999-11-24 Bp Chemicals S.N.C. Gas phase polymerisation process
US6165418A (en) * 1998-06-29 2000-12-26 Mobil Oil Corporation System for controlling temperature of a continuous polymerization process
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
EP1165634B1 (en) 1999-03-30 2004-08-11 Eastman Chemical Company Process for producing polyolefins
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
DE69919412T2 (de) 1999-08-31 2005-01-13 Eastman Chemical Co., Kingsport Verfahren zur herstellung von polyolefine
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US7151145B1 (en) 2005-07-13 2006-12-19 Equistar Chemicals, Lp Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products
US7666960B2 (en) * 2006-04-13 2010-02-23 Equistar Chemicals, Lp Process for the production of ethylene copolymers
US7790816B2 (en) 2006-08-04 2010-09-07 Univation Technologies, Llc Method of maintaining heat transfer capacity in a polymerization reaction system
CA2610660C (en) * 2006-11-16 2011-03-29 1343126 Alberta Ltd Reconditioning process for used hydrocarbon based stimulation fluid
EP2227495B1 (en) * 2007-12-31 2013-01-23 Dow Global Technologies LLC Process for polymerizing olefin-based polymers
WO2014106078A2 (en) * 2012-12-28 2014-07-03 Exxonmobil Research And Engineering Company Instruments for monitoring electrostatic phenomena in reactors
US9360453B2 (en) 2012-12-28 2016-06-07 Exxonmobil Research And Engineering Company Instruments for monitoring electrostatic phenomena in reactors
US9328177B2 (en) 2012-12-28 2016-05-03 Exxonmobil Research And Engineering Company Methods for processing and interpreting signals from static and acoustic probes in fluidized bed reactor systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532311A (en) * 1981-03-26 1985-07-30 Union Carbide Corporation Process for reducing sheeting during polymerization of alpha-olefins
US4876320A (en) * 1981-03-26 1989-10-24 Union Carbide Chemicals And Plastics Company Inc. Process for reducing sheeting during polymerization of alpha-olefins
EP0261808A3 (en) * 1986-08-25 1990-01-17 Tonen Corporation Method for production of ethylene - propylene copolymer rubber
US4803251A (en) * 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
US5336652A (en) * 1991-11-06 1994-08-09 Mobil Oil Corporation High activity polyethylene catalysts prepared with alkoxysilane reagents
US5470812A (en) * 1991-11-06 1995-11-28 Mobil Oil Corporation High activity polyethylene catalysts prepared with alkoxysilane reagents
US5244853A (en) * 1992-07-27 1993-09-14 Akzo N.V. Catalyst component for ethylene polymerization
EP0687274A1 (en) * 1993-03-03 1995-12-20 Akzo Nobel N.V. Supported catalyst component for ethylene (co)polymerization
US5391657A (en) * 1993-09-27 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporaton Method for reducing sheeting and static charges during polymerization of ethylene polymers

Also Published As

Publication number Publication date
WO1998012231A1 (en) 1998-03-26
EP0927199A4 (en) 2001-03-14
CA2266664A1 (en) 1998-03-26
EP0927199A1 (en) 1999-07-07
JP2001500562A (ja) 2001-01-16
KR20000048502A (ko) 2000-07-25
US5731392A (en) 1998-03-24
AU714728B2 (en) 2000-01-06
AU4240397A (en) 1998-04-14

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