BRPI0908378A2 - Método para previnir ou reduzir a aglomeração ou a acumulação no, ou em volta de uma grade de distribuição de gás em um vaso de um leito fluidizado - Google Patents

Método para previnir ou reduzir a aglomeração ou a acumulação no, ou em volta de uma grade de distribuição de gás em um vaso de um leito fluidizado

Info

Publication number
BRPI0908378A2
BRPI0908378A2 BRPI0908378-2A BRPI0908378A BRPI0908378A2 BR PI0908378 A2 BRPI0908378 A2 BR PI0908378A2 BR PI0908378 A BRPI0908378 A BR PI0908378A BR PI0908378 A2 BRPI0908378 A2 BR PI0908378A2
Authority
BR
Brazil
Prior art keywords
accumulation
preventing
around
fluidized bed
gas distribution
Prior art date
Application number
BRPI0908378-2A
Other languages
English (en)
Inventor
Larry Allen Noble
Original Assignee
Westlake Longview 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 Westlake Longview Corp filed Critical Westlake Longview Corp
Publication of BRPI0908378A2 publication Critical patent/BRPI0908378A2/pt
Publication of BRPI0908378B1 publication Critical patent/BRPI0908378B1/pt

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
    • 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
    • B01J8/1872—Details of the fluidised bed 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
    • B01J8/18—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
    • B01J8/32—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 introduction into the fluidised bed of more than one kind of moving particles
    • 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
    • B01J8/44—Fluidisation grids
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00247—Fouling of the reactor or the process equipment
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00252—Formation of deposits other than coke
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00254—Formation of unwanted polymer, such as "pop-corn"
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
BRPI0908378-2A 2008-02-27 2009-01-27 A method for preventing or reducing agglomeration or accumulation in or into a ground of gas distribution in a fluided bowl vase BRPI0908378B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/038601 2008-02-27
US12/038,601 US8124697B2 (en) 2008-02-27 2008-02-27 Method of preventing or reducing agglomeration on grid in fluidized-bed vessel
PCT/US2009/032082 WO2009108435A1 (en) 2008-02-27 2009-01-27 Method of preventing or reducing agglomeration on grid in fluidized-bed vessel

Publications (2)

Publication Number Publication Date
BRPI0908378A2 true BRPI0908378A2 (pt) 2015-08-11
BRPI0908378B1 BRPI0908378B1 (pt) 2017-06-27

Family

ID=40445719

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0908378-2A BRPI0908378B1 (pt) 2008-02-27 2009-01-27 A method for preventing or reducing agglomeration or accumulation in or into a ground of gas distribution in a fluided bowl vase

Country Status (7)

Country Link
US (1) US8124697B2 (pt)
EP (1) EP2247376B1 (pt)
JP (2) JP2011515205A (pt)
KR (1) KR101417204B1 (pt)
CN (1) CN101959588A (pt)
BR (1) BRPI0908378B1 (pt)
WO (1) WO2009108435A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8129482B2 (en) * 2008-02-27 2012-03-06 Westlake Longview Corporation Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactors
KR101015154B1 (ko) * 2010-10-05 2011-02-16 한국에너지기술연구원 황산화물과 붕소화합물을 함유한 고온 배가스용 분말 흡수제 내외부 순환형 산성가스 제거장치 및 이를 이용한 산성가스 제거 방법
EP2689838A1 (en) * 2012-07-26 2014-01-29 Saudi Basic Industries Corporation Method for cleaning a reactor
US9421510B2 (en) * 2013-03-19 2016-08-23 Synthesis Energy Systems, Inc. Gasifier grid cooling safety system and methods
WO2019206602A1 (en) 2018-04-24 2019-10-31 Sabic Global Technologies B.V. Method for drying wet polymer composition
CN111659322A (zh) * 2019-03-06 2020-09-15 浙江佳汇新材料有限公司 一种制备1,1,1,3-四氯丙烷的装置及工艺
US20250290206A1 (en) 2024-03-14 2025-09-18 Braskem S.A. Chemical fouling removal method for polymerization processes

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905900A (en) * 1972-02-18 1975-09-16 Sherritt Gordon Mines Ltd Method for contact between fluids
GB1513152A (en) 1975-08-21 1978-06-07 Bp Chem Int Ltd Reduction of fouling in polymerisation reactors
JPS55106536A (en) 1979-02-13 1980-08-15 Hitachi Ltd Fluidized bed reactor
US4285910A (en) * 1979-10-22 1981-08-25 Kennedy Alvin B Jun Chemical reactor, flow distributor, system and method
FR2495028A1 (fr) 1980-12-01 1982-06-04 Alsthom Atlantique Element de nettoyage et installation de nettoyage mettant en oeuvre cet element
JPS57132540A (en) * 1981-02-10 1982-08-16 Sochi Shikenjo Method and device for agitating and fluidizing material in fluidizing tank
US4533367A (en) * 1981-07-10 1985-08-06 Dzemal Hadzismajlovic Gas scrubbing method using gas liquid contact in a particulate bed
US4743431A (en) * 1982-01-15 1988-05-10 Trw Inc. Fluidization aid including low bulk density fluidization aid
DE3213988A1 (de) * 1982-04-16 1983-10-20 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren zur reinigung von gasdurchstroemten waermetauschern
FR2581564B1 (fr) * 1985-05-13 1993-05-07 Bp Chimie Sa Appareil a lit fluidise comportant une grille de fluidisation a plusieurs pentes
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
JPS6320031A (ja) 1986-07-10 1988-01-27 Seiko Instr & Electronics Ltd 化学反応装置
FR2635470A1 (fr) 1988-08-19 1990-02-23 Charbonnages De France Dispositif d'alimentation en gaz de fluidisation des ouvertures d'une grille de support d'un lit de particules a fluidiser
US4956427A (en) * 1988-12-23 1990-09-11 Union Carbide Chemicals And Plastics Company Inc. Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins
US4994534A (en) 1989-09-28 1991-02-19 Union Carbide Chemicals And Plastics Company Inc. Process for producing sticky polymers
NL8902738A (nl) * 1989-11-06 1991-06-03 Kema Nv Werkwijze en inrichting voor het uitvoeren van chemische en/of fysische reacties.
JP2923383B2 (ja) * 1991-10-01 1999-07-26 出光石油化学株式会社 スチレン系重合体の製造方法
US5200477A (en) * 1991-02-22 1993-04-06 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
US5374405A (en) * 1991-07-12 1994-12-20 Inrad Rotating fluidized bed reactor with electromagnetic radiation source
US5126414A (en) * 1991-10-11 1992-06-30 Mobil Oil Corporation Control of oligomer level in low pressure polyethylene reactor systems
US5332553A (en) * 1993-04-05 1994-07-26 A. Ahlstrom Corporation Method for circulating solid material in a fluidized bed reactor
JP2755548B2 (ja) * 1993-10-21 1998-05-20 日立造船株式会社 流動床炉のクリーニング装置
FR2729585B1 (fr) * 1995-01-24 1997-04-04 Inst Francais Du Petrole Enceintes a lit mobile en ecoulement regularise
US5616661A (en) 1995-03-31 1997-04-01 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling particle growth during production of sticky polymers
US5969061A (en) 1995-10-16 1999-10-19 Eastman Chemical Company Suppression of fines in a fluid bed polyethylene process
FI111952B (fi) * 1997-11-17 2003-10-15 Borealis Tech Oy Menetelmä ja laitteisto polymeerien valmistamiseksi
JPH11190591A (ja) * 1997-12-26 1999-07-13 Tokyo Gas Co Ltd 流動床炉
US6387334B1 (en) * 1997-12-30 2002-05-14 Chevron U.S.A. Inc. Balanced flow resistance OCR distributor cone
US6214903B1 (en) * 1998-06-16 2001-04-10 Union Carbide Chemicals & Plastics Technology Corporation Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
WO2000015565A2 (en) * 1998-09-11 2000-03-23 Toever J Wayne Van Fluidized radial flow bioreactor utilizing pellet media
FR2791983B1 (fr) * 1999-04-12 2001-05-18 Bp Chemicals Snc Appareil et procede de polymerisation en phase gazeuse d'olefine
JP3860702B2 (ja) * 2000-03-16 2006-12-20 株式会社プライムポリマー ポリオレフィンの製造方法および気相重合装置
FR2807758A1 (fr) * 2000-04-13 2001-10-19 Bp Chemicals Snc Procede continu de (co)-polymerisation a lit fluidise
CN1114479C (zh) * 2000-06-02 2003-07-16 清华大学 分隔式分布板双射流管射流流化床
DE10135318A1 (de) * 2001-07-19 2003-01-30 Bayer Ag Verfahren zum Entfernen von Ablagerungen an chemischen Reaktoren
CN1227157C (zh) * 2001-09-25 2005-11-16 三菱化学株式会社 硅石
JP2003190729A (ja) * 2001-12-27 2003-07-08 Kawasaki Heavy Ind Ltd 排ガス処理方法及び装置
AT411264B (de) * 2002-02-14 2003-11-25 Voest Alpine Ind Anlagen Verteilerboden zur verteilung eines mit feinen feststoffpartikeln beladenen gases
US7244399B2 (en) * 2002-04-26 2007-07-17 Foster Wheeler Energia Oy Grid construction for a fluidized bed reactor
JP3991914B2 (ja) * 2003-05-08 2007-10-17 日産自動車株式会社 移動体用音声認識装置

Also Published As

Publication number Publication date
KR101417204B1 (ko) 2014-07-08
WO2009108435A1 (en) 2009-09-03
JP2011515205A (ja) 2011-05-19
CN101959588A (zh) 2011-01-26
US20090211597A1 (en) 2009-08-27
US8124697B2 (en) 2012-02-28
BRPI0908378B1 (pt) 2017-06-27
EP2247376A1 (en) 2010-11-10
EP2247376B1 (en) 2018-10-17
KR20100138890A (ko) 2010-12-31
JP2015180504A (ja) 2015-10-15

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]