Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08F-002/34
B01J-019/24
C08F-010/00
출원번호
US-0809906
(2008-12-23)
등록번호
US-8278402
(2012-10-02)
우선권정보
EP-07076127 (2007-12-24)
국제출원번호
PCT/EP2008/011087
(2008-12-23)
§371/§102 date
20100621
(20100621)
국제공개번호
WO2009/080363
(2009-07-02)
발명자
/ 주소
Bergstra, Michiel
Eriksson, Erik
Weickert, Gunter
출원인 / 주소
Borealis Technology Oy
대리인 / 주소
The Webb Law Firm
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
The invention relates to a reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), having one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an ou
The invention relates to a reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), having one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerized particles. The reactor system has at least one fluidized bed unit and at least one moving bed unit, wherein the fluidized bed unit has means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are directly connected to the fluidized bed unit, wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymer particles from the moving bed unit into the fluidized bed unit.
대표청구항▼
1. A reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), comprising: one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas,an outlet for gas andan outlet for polymerize
1. A reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), comprising: one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas,an outlet for gas andan outlet for polymerized particles, wherein the reactor system comprises at least one fluidized bed unit and at least one moving bed unit, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are directly connected to the fluidized bed unit, wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymer particles from the moving bed unit into the fluidized bed unit, wherein the moving bed unit is provided with one or more inlets for separation fluidum inside the moving bed unit at a level of from 0.1 to 0.7 of the total bed level of the moving bed above a base of the moving bed. 2. The reactor system according to claim 1, wherein the pneumatic displacement means comprise means for sidewise directing gas at the outlet of the moving bed unit. 3. The reactor system according to claim 1, wherein the pneumatic displacing means comprise an inlet for fluidization gas. 4. A reactor system for the catalytic polymerization of olefin monomer and optionally monomer(s), comprising: one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas, an outlet for gas and an outlet for polymerized particles, wherein the reactor system comprises at least one fluidized bed unit and at least one moving bed unit, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are directly connected to the fluidized bed unit wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymer particles from the moving bed unit into the fluidized bed unit, wherein the moving bed unit is provided with one or more inlets for separation fluidum inside the moving bed unit at a level of from 0.1 to 0.7 of the total bed level of the moving bed above a base of the moving bed, wherein the means for maintaining the fluidized bed comprise an inlet for fluidization gas, which inlet is connected to the pneumatic displacing means. 5. The reactor system according to claim 1, wherein the pneumatic displacing means comprise an outlet oriented in the fluidized bed unit so as to generate swirling gas flow in the fluidized bed unit. 6. A reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), comprising: one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas,an outlet for gas andan outlet for polymerized particles, wherein the reactor system comprises at least one fluidized bed unit and at least two moving bed units, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein each moving bed unit is provided with an inlet for fluidization gas and an outlet which are directly connected to the fluidized bed unit, wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymer particles from the moving bed unit into the fluidized bed unit, wherein the moving bed unit is provided with one or more inlets for separation fluidum inside the moving bed unit at a level of from 0.1 to 0.7 of the total bed level of the moving bed above a base of the moving bed. 7. A reactor system for the catalytic polymerization of olefin monomer and optionally comonomer(s), comprising: one or more inlets for olefin monomer, catalyst, optionally for comonomer, chain growth controllers or chain transfer agents, and/or inert gas,an outlet for gas andan outlet for polymerized particles, wherein the reactor system comprises at least one fluidized bed unit and at least one moving bed unit, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are directly connected to the fluidized bed unit, wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymer particles from the moving bed unit into the fluidized bed unit, wherein the moving bed unit is provided with one or more inlets for separation fluidum inside the moving bed unit at a level of from 0.1 to 0.7 of the total bed level of the moving bed above a base of the moving bed, wherein the pneumatic displacement means comprise lateral deflecting means connected to the outlet of the moving bed unit, the deflecting means comprise means for sidewise directing gas at the outlet of the moving bed unit. 8. The reactor system according to claim 7, wherein the means for sidewise directing gas at the outlet of the moving bed unit comprise an inlet for fluidization gas. 9. The reactor system according to claim 7, wherein the pneumatic displacement means comprise means for upwardly directing fluidization gas along the lateral deflecting means. 10. The reactor system according to claim 1, wherein the moving bed unit resides within, around, or adjacent to the fluidized bed unit. 11. A process for the catalytic polymerization of olefins, comprising the step of polymerizing olefins with a particulate catalyst, and optionally comonomer, chain growth controllers or chain transfer agents, and/or inert gas, wherein at least part of the polymerization reaction is carried out in a reactor system comprising at least one fluidized bed unit and at least one moving bed unit, wherein the fluidized bed unit comprises means for maintaining a fluidized bed in the fluidized bed unit and wherein the moving bed unit is provided with an inlet and an outlet which are directly connected to the fluidized bed unit, wherein the outlet of the moving bed unit is provided with means for pneumatically displacing polymerized particles from the moving bed unit into the fluidized bed unit, and wherein separation fluidum is added inside the moving bed unit at a level of from 0.1 to 0.7 of the total bed level of the moving bed above a base of the moving bed. 12. The process according to claim 11, wherein the pneumatic displacing means comprise an outlet oriented in the fluidized bed unit so as to generate swirling flow in the fluidized bed. 13. The process according to claim 11, wherein separation fluidum is supplied to the moving bed, and wherein the separation fluidum is a liquid evaporating under the residing polymerization conditions. 14. The process according to claim 11, wherein liquid olefins are added as separation fluidum such that the polymerization in the moving bed unit is a condensed mode polymerization. 15. The process according to claim 11, wherein liquid olefins are added to the fluidized bed such that the polymerization in the fluidized bed is in a condensed mode polymerization. 16. The process according to claim 13, wherein the separation fluidum comprises a polymerization monomer or comonomer, or mixture thereof. 17. The process according to claim 11, wherein the separation fluidum is an inert gas or liquid. 18. The process according to claim 17, wherein the separation fluidum is nitrogen, C1-C12-alkane, C2-C12-alkene, or mixtures thereof.
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이 특허에 인용된 특허 (12)
Aronson Robert G. (S. Charleston WV), Fluidized bed discharge process.
Chirillo John R. (Victoria TX) Kimbrough II Kellam C. (Inez TX) McHattie Peder E. (Victoria TX), Method for reducing sheeting during polymerization of alpha-olefins.
Goode Mark G. (St. Albans WV) Hasenberg Daniel M. (Hurricane WV) McNeil Thomas J. (Hurricane WV) Spriggs Thomas E. (Cross Lanes WV), Method for reducing sheeting during polymerization of alpha-olefins.
Fulks Bernard D. (Victoria TX) Sawin Steven P. (Charleston WV) Aikman Collin D. (Charleston WV) Jenkins ; III John M. (South Charleston WV), Process for reducing sheeting during polymerization of alpha-olefins.
Weickert, Gunter; Gustafsson, Bill Benjamin Rudolf, Process for the catalytic polymerization of olefins, a reactor system, its use in the process, the polyolefins obtained and their use.
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