RU2006113542A - CIRCULATING REACTOR WITH VARIABLE DIAMETER FOR POLYMERIZATION OF OLEFINS - Google Patents

CIRCULATING REACTOR WITH VARIABLE DIAMETER FOR POLYMERIZATION OF OLEFINS Download PDF

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Publication number
RU2006113542A
RU2006113542A RU2006113542/04A RU2006113542A RU2006113542A RU 2006113542 A RU2006113542 A RU 2006113542A RU 2006113542/04 A RU2006113542/04 A RU 2006113542/04A RU 2006113542 A RU2006113542 A RU 2006113542A RU 2006113542 A RU2006113542 A RU 2006113542A
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RU
Russia
Prior art keywords
reactor
polymerization
relative
tube
ethylene
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RU2006113542/04A
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Russian (ru)
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RU2378289C2 (en
Inventor
Шахрам МИХАН (DE)
Шахрам МИХАН
Вольфганг ГЗЕЛЛА (DE)
Вольфганг ГЗЕЛЛА
Петер КЕЛЛЕ (DE)
Петер КЕЛЛЕ
Йоахим ВУЛЬФФ-ДЕРИНГ (DE)
Йоахим ВУЛЬФФ-ДЕРИНГ
Маркус МАЙЕРХОФЕР (DE)
Маркус МАЙЕРХОФЕР
Original Assignee
Базелль Полиолефине Гмбх (De)
Базелль Полиолефине Гмбх
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Publication of RU2006113542A publication Critical patent/RU2006113542A/en
Application granted granted Critical
Publication of RU2378289C2 publication Critical patent/RU2378289C2/en

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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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1812—Tubular reactors
    • B01J19/1837—Loop-type reactors
    • 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
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/007—Separating solid material from the gas/liquid stream by sedimentation
    • 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
    • C08F10/02—Ethene
    • 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
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212—Plates; Jackets; Cylinders
    • 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
    • B01J2208/00584—Controlling the density
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/00171—Controlling or regulating processes controlling the density
    • B01J2219/00173—Physical density
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (7)

1. Способ полимеризации, по меньшей мере, одного олефинового мономера, выбранного из этилена, пропилена, бутена-1, в циркуляционном реакторе в присутствии катализатора полимеризации при температуре от 20 до 150°С, но ниже точки плавления получаемого полимера, и давлении от 5 до 100 бар, где получаемый полимер присутствует в суспензии в жидкой или суперкритической суспензионной среде и эта суспензия циркулирует посредством аксиального насоса, где полимеризацию проводят при средней концентрации твердых частиц в реакторе более 53% относительно полной массы содержания реактора в случае непрерывной выгрузки продукта и при средней концентрации твердых частиц в реакторе более 45% относительно полной массы содержания реактора в случае периодической выгрузки продукта, и где полимеризацию проводят при концентрации этилена, по меньшей мере, 10 мол.% относительно суспензионной среды, и полимеризацию проводят при давлении от 43 до 80 бар.1. The method of polymerization of at least one olefin monomer selected from ethylene, propylene, butene-1, in a circulation reactor in the presence of a polymerization catalyst at a temperature of from 20 to 150 ° C, but below the melting point of the obtained polymer, and a pressure of 5 up to 100 bar, where the polymer obtained is present in suspension in a liquid or supercritical suspension medium and this suspension is circulated by an axial pump, where the polymerization is carried out at an average concentration of solid particles in the reactor of more than 53% relative to the total weight of the reactor content in the case of continuous discharge of the product and at an average concentration of solid particles in the reactor of more than 45% relative to the total weight of the reactor content in the case of periodic discharge of the product, and where the polymerization is carried out at an ethylene concentration of at least 10 mol.% relative to the suspension medium and the polymerization is carried out at a pressure of from 43 to 80 bar. 2. Способ полимеризации по п.1, где циркуляционный реактор включает циклическую трубку реактора, чей диаметр варьируется, по меньшей мере, на 10% относительно преобладающего диаметра трубки реактора, и в котором имеется, по меньшей мере, одно расширение и сужение в другой области, нежели область аксиального насоса.2. The polymerization method according to claim 1, where the circulation reactor includes a cyclic reactor tube, whose diameter varies by at least 10% relative to the predominant diameter of the reactor tube, and in which there is at least one expansion and narrowing in another area than the area of the axial pump. 3. Способ по п.п.1 или 2, где есть дополнительное расширение и сужение трубки реактора в области аксиального насоса.3. The method according to claims 1 or 2, where there is an additional expansion and contraction of the reactor tube in the area of the axial pump. 4. Способ по п.1 или 2, где этилен используют в качестве мономера и, по меньшей мере, один α-олефин, имеющий от 3 до 8 атомов углерода, используют в качестве сомономера.4. The method according to claim 1 or 2, where ethylene is used as a monomer and at least one α-olefin having from 3 to 8 carbon atoms is used as a comonomer. 5. Способ по п.1 или 2, где, по меньшей мере, один олефиновый мономер подают в, по меньшей мере, 2 точки вдоль трубки реактора.5. The method according to claim 1 or 2, where at least one olefin monomer is fed to at least 2 points along the tube of the reactor. 6. Способ по п.1 или 2, где получаемый полимер выгружают из реактора непрерывно.6. The method according to claim 1 or 2, where the resulting polymer is discharged from the reactor continuously. 7. Способ п.1 или 2, где полимеризации в этом циркуляционном реакторе предшествует или следует за ней, по меньшей мере, одна стадия полимеризации в циркуляционном или газофазном реакторе.7. The method of claim 1 or 2, where the polymerization in this loop reactor is preceded or followed by at least one polymerization step in a loop or gas phase reactor.
RU2006113542/04A 2003-09-24 2004-09-16 Circulating reactor with variable diametre for polymerisation of olefins RU2378289C2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE10344501A DE10344501A1 (en) 2003-09-24 2003-09-24 Polymerizing olefinic monomer useful for producing polymers is carried out in a loop reactor at specific temperature and pressure, in a circulated suspension medium having specific average solids concentration
DE10344501.3 2003-09-24
US53241103P 2003-12-16 2003-12-16
US60/532,411 2003-12-16
DE10361156.8 2003-12-22
US54335904P 2004-02-10 2004-02-10
US60/543,359 2004-02-10

Publications (2)

Publication Number Publication Date
RU2006113542A true RU2006113542A (en) 2007-11-10
RU2378289C2 RU2378289C2 (en) 2010-01-10

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RU2006113542/04A RU2378289C2 (en) 2003-09-24 2004-09-16 Circulating reactor with variable diametre for polymerisation of olefins

Country Status (2)

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DE (1) DE10344501A1 (en)
RU (1) RU2378289C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2316863A1 (en) * 2009-10-30 2011-05-04 INEOS Manufacturing Belgium NV Slurry phase polymerisation process
US9340627B1 (en) * 2014-05-21 2016-05-17 Chevron Phillips Chemical Company, Lp Elbow and horizontal configurations in a loop reactor

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Publication number Publication date
DE10344501A1 (en) 2005-05-19
RU2378289C2 (en) 2010-01-10

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