FR2757784B1 - Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse - Google Patents

Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse

Info

Publication number
FR2757784B1
FR2757784B1 FR9616341A FR9616341A FR2757784B1 FR 2757784 B1 FR2757784 B1 FR 2757784B1 FR 9616341 A FR9616341 A FR 9616341A FR 9616341 A FR9616341 A FR 9616341A FR 2757784 B1 FR2757784 B1 FR 2757784B1
Authority
FR
France
Prior art keywords
treatment
gas phase
fluidized bed
bed reactor
phase polymerization
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.)
Expired - Fee Related
Application number
FR9616341A
Other languages
English (en)
Other versions
FR2757784A1 (fr
Inventor
Xavier Bontemps
Serge Bellet
Magne Philippe Lalanne
Guy Louradour
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.)
BP Chemicals SNC
Original Assignee
BP Chemicals SNC
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 BP Chemicals SNC filed Critical BP Chemicals SNC
Priority to FR9616341A priority Critical patent/FR2757784B1/fr
Priority to JP52973898A priority patent/JP2001507277A/ja
Priority to EP97950290A priority patent/EP0948401A1/fr
Priority to AU53300/98A priority patent/AU5330098A/en
Priority to PCT/GB1997/003500 priority patent/WO1998029186A1/fr
Publication of FR2757784A1 publication Critical patent/FR2757784A1/fr
Application granted granted Critical
Publication of FR2757784B1 publication Critical patent/FR2757784B1/fr
Priority to NO993165A priority patent/NO993165L/no
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned

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)
  • Polymerisation Methods In General (AREA)
FR9616341A 1996-12-27 1996-12-27 Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse Expired - Fee Related FR2757784B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9616341A FR2757784B1 (fr) 1996-12-27 1996-12-27 Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse
JP52973898A JP2001507277A (ja) 1996-12-27 1997-12-19 振動による反応器の壁部の処理方法
EP97950290A EP0948401A1 (fr) 1996-12-27 1997-12-19 Procede servant a traiter la paroi d'un reacteur au moyen de vibrations
AU53300/98A AU5330098A (en) 1996-12-27 1997-12-19 Process for treating the wall of a reactor by vibrations
PCT/GB1997/003500 WO1998029186A1 (fr) 1996-12-27 1997-12-19 Procede servant a traiter la paroi d'un reacteur au moyen de vibrations
NO993165A NO993165L (no) 1996-12-27 1999-06-25 Fremgangsmåte for behandling av veggen i en reaktor ved hjelp av vibrasjoner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9616341A FR2757784B1 (fr) 1996-12-27 1996-12-27 Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse

Publications (2)

Publication Number Publication Date
FR2757784A1 FR2757784A1 (fr) 1998-07-03
FR2757784B1 true FR2757784B1 (fr) 1999-01-29

Family

ID=9499407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9616341A Expired - Fee Related FR2757784B1 (fr) 1996-12-27 1996-12-27 Procede de traitement au moyen de vibrations de la paroi d'un reacteur a lit fluidise de polymerisation en phase gazeuse

Country Status (6)

Country Link
EP (1) EP0948401A1 (fr)
JP (1) JP2001507277A (fr)
AU (1) AU5330098A (fr)
FR (1) FR2757784B1 (fr)
NO (1) NO993165L (fr)
WO (1) WO1998029186A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6759492B2 (en) * 2001-07-24 2004-07-06 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US7726871B2 (en) * 2006-12-20 2010-06-01 Exxonmobil Research & Engineering Company Vibration actuation system with independent control of frequency and amplitude
US8513367B2 (en) * 2010-11-19 2013-08-20 Exxonmobil Research And Engineering Company Mitigation of elastomer reactor fouling using mechanical vibration
FI3325183T3 (fi) * 2015-07-23 2024-02-08 Renmatix Inc Menetelmä likaavan aineen poistamiseksi paineastiasta
EP3266517A1 (fr) * 2016-07-07 2018-01-10 Casale SA Granulateur pour substances liquides, notamment pour l'urée
EP3784702B1 (fr) 2019-05-10 2022-01-05 Wacker Chemie AG Procédé de nettoyage d'un réacteur de polymérisation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264098A (en) * 1963-08-19 1966-08-02 Westinghouse Electric Corp Fluidized bed process for the production of molybdenum
SE451115B (sv) * 1985-01-16 1987-09-07 Ulveco Kockum Sonic Ab Anleggning for sotning av pannor eller liknande, innefattande ett flertal lagfrekvent ljud alstrande anordningar
FR2671095B1 (fr) * 1990-12-28 1994-08-05 Naphtachimie Sa Procede et four pour fabriquer sans depot des produits dans un tube.
US5461123A (en) * 1994-07-14 1995-10-24 Union Carbide Chemicals & Plastics Technology Corporation Gas phase fluidized bed polyolefin polymerization process using sound waves

Also Published As

Publication number Publication date
NO993165L (no) 1999-08-24
AU5330098A (en) 1998-07-31
NO993165D0 (no) 1999-06-25
WO1998029186A1 (fr) 1998-07-09
JP2001507277A (ja) 2001-06-05
FR2757784A1 (fr) 1998-07-03
EP0948401A1 (fr) 1999-10-13

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Legal Events

Date Code Title Description
ST Notification of lapse