BRPI0517628A - método para prevenir ou inibir incrustação em um processo de polimerização de poliolefina em fase gasosa - Google Patents
método para prevenir ou inibir incrustação em um processo de polimerização de poliolefina em fase gasosaInfo
- Publication number
- BRPI0517628A BRPI0517628A BRPI0517628-0A BRPI0517628A BRPI0517628A BR PI0517628 A BRPI0517628 A BR PI0517628A BR PI0517628 A BRPI0517628 A BR PI0517628A BR PI0517628 A BRPI0517628 A BR PI0517628A
- Authority
- BR
- Brazil
- Prior art keywords
- preventing
- gas phase
- polymerization process
- polyolefin polymerization
- inhibiting fouling
- Prior art date
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
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
-
- 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
-
- 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
- B01J2219/00254—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
- 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
-
- 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)
- 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)
Abstract
MéTODO PARA PREVENIR OU INIBIR INCRUSTAçãO EM UM PROCESSO DE POLIMERIZAçãO DE POLIOLEFINA EM FASE GASOSA. Um método para prevenir ou inibir incrustação em um processo de polimerização de poliolefina em fase gasosa. O método inclui manter a temperatura de superficie interna do equipamento de processo abaixo da temperatura de ponto de orvalho da mistura gasosa passando através do equipamento.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62352804P | 2004-10-29 | 2004-10-29 | |
US11/249,573 US7253239B2 (en) | 2004-10-29 | 2005-10-13 | Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process |
PCT/US2005/037891 WO2006049900A1 (en) | 2004-10-29 | 2005-10-20 | Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0517628A true BRPI0517628A (pt) | 2008-10-14 |
BRPI0517628B1 BRPI0517628B1 (pt) | 2016-07-26 |
Family
ID=36262924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0517628A BRPI0517628B1 (pt) | 2004-10-29 | 2005-10-20 | método para prevenir ou inibir incrustação em um processo de polimerização de poliolefina em fase gasosa |
Country Status (8)
Country | Link |
---|---|
US (1) | US7253239B2 (pt) |
EP (1) | EP1819740B1 (pt) |
JP (1) | JP5090919B2 (pt) |
KR (1) | KR101242220B1 (pt) |
CN (1) | CN101084243B (pt) |
BR (1) | BRPI0517628B1 (pt) |
DE (1) | DE602005023047D1 (pt) |
WO (1) | WO2006049900A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070270558A1 (en) * | 2006-05-16 | 2007-11-22 | Paul Keith Scherrer | Pulsing olefin polymerization fluidized-bed reactors |
KR101578938B1 (ko) * | 2006-11-30 | 2015-12-18 | 웨스트레이크 롱뷰 코포레이션 | 그리드 오염을 감지하기 위한 유속 또는 압력 센서가 구비된 유동층 올레핀 중합 반응기용 가스 분배판 |
EP2465877A1 (en) | 2010-12-20 | 2012-06-20 | Ineos Commercial Services UK Limited | Process |
KR101510930B1 (ko) * | 2012-08-27 | 2015-04-10 | 주식회사 엘지화학 | 현탁 중합에 의한 염화비닐 중합체의 건조방법 및 이에 사용되는 건조장치 |
SG11201601915UA (en) * | 2013-09-12 | 2016-04-28 | Grace W R & Co | Gas-phase polymerization process with wet zone |
US11027253B2 (en) | 2019-09-26 | 2021-06-08 | Chevron Phillips Chemical Company Lp | Systems and methods for reducing heat exchanger fouling rate |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2581564B1 (fr) | 1985-05-13 | 1993-05-07 | Bp Chimie Sa | Appareil a lit fluidise comportant une grille de fluidisation a plusieurs pentes |
US5213768A (en) | 1987-06-30 | 1993-05-25 | Bp Chemicals Ltd. | Fluidized bed apparatus and process for feeding gas to a fluidized bed apparatus |
US5266276A (en) | 1988-07-15 | 1993-11-30 | Bp Chemicals Limited | Apparatus for the gas-phase polymerization of olefins in a fluidized-bed reactor |
FR2634212B1 (fr) | 1988-07-15 | 1991-04-19 | Bp Chimie Sa | Appareillage et procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise |
US5037905A (en) * | 1989-12-07 | 1991-08-06 | Union Carbide Chemicals And Plastics Technology Corporation | Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins |
US5096869A (en) | 1990-12-21 | 1992-03-17 | Union Carbide Chemicals & Plastics Technology Corporation | High activity vanadium-based catalyst |
US5126414A (en) | 1991-10-11 | 1992-06-30 | Mobil Oil Corporation | Control of oligomer level in low pressure polyethylene reactor systems |
US5352749A (en) | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
US6001938A (en) | 1993-05-20 | 1999-12-14 | Bp Chemicals Limited | Polymerization process |
ZA943399B (en) | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
FR2707651B1 (fr) | 1993-07-13 | 1995-08-25 | Bp Chemicals Snc | Procédé pour augmenter l'activité d'un catalyseur de type Ziegler-Natta. |
IT1274016B (it) | 1994-02-21 | 1997-07-14 | Spherilene Srl | Processo per la polimerizzazione in fase gas delle a-olefine |
US5625012A (en) * | 1994-06-29 | 1997-04-29 | Union Carbide Chemicals & Plastics Technology Corporation | Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins |
US5453471B1 (en) | 1994-08-02 | 1999-02-09 | Carbide Chemicals & Plastics T | Gas phase polymerization process |
JP3269376B2 (ja) * | 1996-03-19 | 2002-03-25 | 宇部興産株式会社 | オレフィンの気相重合法 |
EP0824115A1 (en) | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
KR100545463B1 (ko) | 1998-07-24 | 2006-01-24 | 닛폰포리프로가부시키가이샤 | 올레핀 중합체의 제조방법 |
US6300429B1 (en) | 1998-12-31 | 2001-10-09 | Union Carbide Chemicals & Plastics Technology Corporation | Method of modifying near-wall temperature in a gas phase polymerization reactor |
JP2002540265A (ja) | 1999-03-30 | 2002-11-26 | 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 |
US6306981B1 (en) | 1999-04-02 | 2001-10-23 | Union Carbide Chemicals & Plastics Technology Corporation | Gas phase polymerization process |
US6191238B1 (en) | 1999-08-31 | 2001-02-20 | Eastman Chemical Company | Process for producing polyolefins |
EP1083192A1 (en) | 1999-09-10 | 2001-03-14 | Union Carbide Chemicals & Plastics Technology Corporation | Process for feeding liquid comonomer to a polymerization conducted in a fluidized bed reactor |
DE10016625A1 (de) | 2000-04-04 | 2001-10-11 | Basell Polyolefine Gmbh | Gasphasenpolymerisationsverfahren mit Direktkühlsystem |
US6359083B1 (en) | 2000-05-02 | 2002-03-19 | Eastman Chemical Company | Olefin polymerization process |
-
2005
- 2005-10-13 US US11/249,573 patent/US7253239B2/en active Active
- 2005-10-20 KR KR1020077012033A patent/KR101242220B1/ko active IP Right Grant
- 2005-10-20 DE DE602005023047T patent/DE602005023047D1/de active Active
- 2005-10-20 EP EP05815620A patent/EP1819740B1/en active Active
- 2005-10-20 CN CN2005800373788A patent/CN101084243B/zh active Active
- 2005-10-20 WO PCT/US2005/037891 patent/WO2006049900A1/en active Application Filing
- 2005-10-20 JP JP2007539004A patent/JP5090919B2/ja active Active
- 2005-10-20 BR BRPI0517628A patent/BRPI0517628B1/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2008518085A (ja) | 2008-05-29 |
KR101242220B1 (ko) | 2013-03-12 |
CN101084243A (zh) | 2007-12-05 |
CN101084243B (zh) | 2012-05-09 |
EP1819740A1 (en) | 2007-08-22 |
BRPI0517628B1 (pt) | 2016-07-26 |
WO2006049900A1 (en) | 2006-05-11 |
EP1819740B1 (en) | 2010-08-18 |
DE602005023047D1 (de) | 2010-09-30 |
KR20070092210A (ko) | 2007-09-12 |
JP5090919B2 (ja) | 2012-12-05 |
US20060094837A1 (en) | 2006-05-04 |
US7253239B2 (en) | 2007-08-07 |
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Legal Events
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B07A | Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted |
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