RU2444530C2 - Способ чистовой обработки полиолефинов - Google Patents
Способ чистовой обработки полиолефинов Download PDFInfo
- Publication number
- RU2444530C2 RU2444530C2 RU2009107508/04A RU2009107508A RU2444530C2 RU 2444530 C2 RU2444530 C2 RU 2444530C2 RU 2009107508/04 A RU2009107508/04 A RU 2009107508/04A RU 2009107508 A RU2009107508 A RU 2009107508A RU 2444530 C2 RU2444530 C2 RU 2444530C2
- Authority
- RU
- Russia
- Prior art keywords
- degassing
- gas
- polyolefin
- polymerization
- stage
- Prior art date
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000007872 degassing Methods 0.000 claims abstract description 169
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 46
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 46
- 239000008187 granular material Substances 0.000 claims abstract description 29
- 239000000178 monomer Substances 0.000 claims abstract description 29
- 239000003085 diluting agent Substances 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 12
- 238000011069 regeneration method Methods 0.000 claims abstract description 12
- 230000003197 catalytic effect Effects 0.000 claims abstract description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 10
- 239000004711 α-olefin Substances 0.000 claims abstract description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 128
- 239000007789 gas Substances 0.000 claims description 116
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 108
- 229920000642 polymer Polymers 0.000 claims description 87
- 239000001294 propane Substances 0.000 claims description 64
- 238000006116 polymerization reaction Methods 0.000 claims description 63
- 229910052757 nitrogen Inorganic materials 0.000 claims description 54
- 239000002245 particle Substances 0.000 claims description 49
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 44
- 239000005977 Ethylene Substances 0.000 claims description 44
- 239000000843 powder Substances 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 31
- 238000002386 leaching Methods 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000004821 distillation Methods 0.000 claims description 17
- 238000012685 gas phase polymerization Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims 1
- 229910001868 water Inorganic materials 0.000 abstract description 11
- 238000005406 washing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 230000035943 smell Effects 0.000 abstract 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 46
- 239000003054 catalyst Substances 0.000 description 33
- 239000012071 phase Substances 0.000 description 21
- 239000000047 product Substances 0.000 description 17
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 16
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 16
- 125000004432 carbon atom Chemical group C* 0.000 description 16
- 239000012495 reaction gas Substances 0.000 description 16
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 14
- 150000002894 organic compounds Chemical class 0.000 description 13
- 230000005484 gravity Effects 0.000 description 12
- 230000003068 static effect Effects 0.000 description 12
- 238000009835 boiling Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 229920001179 medium density polyethylene Polymers 0.000 description 11
- 239000004701 medium-density polyethylene Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 11
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 238000000605 extraction Methods 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 8
- 238000007334 copolymerization reaction Methods 0.000 description 8
- 239000012855 volatile organic compound Substances 0.000 description 8
- 150000001335 aliphatic alkanes Chemical class 0.000 description 7
- 150000001336 alkenes Chemical class 0.000 description 7
- 235000013305 food Nutrition 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 239000011949 solid catalyst Substances 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 230000004913 activation Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 229920001038 ethylene copolymer Polymers 0.000 description 6
- 239000003446 ligand Substances 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 229930195734 saturated hydrocarbon Natural products 0.000 description 6
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 239000003701 inert diluent Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012968 metallocene catalyst Substances 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002685 polymerization catalyst Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 3
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N 1-Heptene Chemical compound CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WWUVJRULCWHUSA-UHFFFAOYSA-N 2-methyl-1-pentene Chemical compound CCCC(C)=C WWUVJRULCWHUSA-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000504 effect on taste Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06118423.0 | 2006-08-03 | ||
| EP06118423 | 2006-08-03 | ||
| US83980306P | 2006-08-24 | 2006-08-24 | |
| US60/839,803 | 2006-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2009107508A RU2009107508A (ru) | 2010-09-10 |
| RU2444530C2 true RU2444530C2 (ru) | 2012-03-10 |
Family
ID=40947321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009107508/04A RU2444530C2 (ru) | 2006-08-03 | 2007-08-01 | Способ чистовой обработки полиолефинов |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101501079B (pt) |
| BR (1) | BRPI0714078B1 (pt) |
| RU (1) | RU2444530C2 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2619940C2 (ru) * | 2012-03-16 | 2017-05-22 | Инеос Юроуп Аг | Способ |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112013032393B1 (pt) * | 2011-06-21 | 2021-01-26 | Basell Polyolefine Gmbh | processo para descarregar partículas de poliolefina a partir de reator de polimerização em fase gasosa e processo para polimerizar olefinas |
| CN105348615B (zh) * | 2011-06-23 | 2018-02-06 | 陶氏环球技术有限责任公司 | 具有低耗散因子的低密度聚乙烯及其制备方法 |
| EP2743279A1 (en) * | 2012-12-11 | 2014-06-18 | Basell Polyolefine GmbH | Process for treating polyolefin particles obtained by gas-phase polymerization |
| KR101534149B1 (ko) * | 2013-11-29 | 2015-07-03 | 롯데케미칼 주식회사 | 폴리올레핀의 정제 방법 |
| WO2015128329A1 (en) * | 2014-02-26 | 2015-09-03 | Ineos Europe Ag | Polymerisation process and polymerisation unit comprising a degassing section |
| CN105463939A (zh) * | 2015-11-24 | 2016-04-06 | 安庆盛华纸质包装有限公司 | 一种淋膜纸的制备工艺 |
| CN108779194B (zh) * | 2015-12-21 | 2021-03-26 | 博里利斯股份公司 | 用于提取聚烯烃的方法 |
| KR101969581B1 (ko) * | 2016-11-17 | 2019-08-13 | 주식회사 엘지화학 | 올레핀계 단량체의 회수 장치 |
| EP3438133A1 (en) * | 2017-08-04 | 2019-02-06 | Basell Polyolefine GmbH | Polymerization process including discharging polyolefin particles from a gas-phase polymerization reactor |
| CN112759684B (zh) * | 2019-11-01 | 2023-07-21 | 中国石油化工股份有限公司 | 一种聚丁烯-1的制备方法及装置 |
| WO2026046878A1 (en) | 2024-08-26 | 2026-03-05 | Borealis Gmbh | Polyolefin powder decontamination process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510339A (en) * | 1974-08-29 | 1978-05-10 | Huels Chemische Werke Ag | Process for the removal of vinyl chloride from aqueous vinyl chloride polymer dispersions |
| US5521264A (en) * | 1995-03-03 | 1996-05-28 | Advanced Extraction Technologies, Inc. | Gas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorption |
| EP0798314A1 (en) * | 1996-03-28 | 1997-10-01 | Nova Chemicals (International) SA | Devolatilization |
| RU2240330C2 (ru) * | 1999-04-01 | 2004-11-20 | Базелль Полиолефине Гмбх | Способ выделения олефинов из установок для получения полиолефинов |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369192B1 (en) * | 1995-10-27 | 2002-04-09 | Praxair Technology, Inc. | Methods for removing contaminants from polymers |
-
2007
- 2007-08-01 BR BRPI0714078-9A patent/BRPI0714078B1/pt active IP Right Grant
- 2007-08-01 CN CN2007800289170A patent/CN101501079B/zh active Active
- 2007-08-01 RU RU2009107508/04A patent/RU2444530C2/ru active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510339A (en) * | 1974-08-29 | 1978-05-10 | Huels Chemische Werke Ag | Process for the removal of vinyl chloride from aqueous vinyl chloride polymer dispersions |
| US5521264A (en) * | 1995-03-03 | 1996-05-28 | Advanced Extraction Technologies, Inc. | Gas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorption |
| EP0798314A1 (en) * | 1996-03-28 | 1997-10-01 | Nova Chemicals (International) SA | Devolatilization |
| RU2240330C2 (ru) * | 1999-04-01 | 2004-11-20 | Базелль Полиолефине Гмбх | Способ выделения олефинов из установок для получения полиолефинов |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2619940C2 (ru) * | 2012-03-16 | 2017-05-22 | Инеос Юроуп Аг | Способ |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009107508A (ru) | 2010-09-10 |
| CN101501079B (zh) | 2011-09-14 |
| CN101501079A (zh) | 2009-08-05 |
| BRPI0714078A2 (pt) | 2012-12-18 |
| BRPI0714078B1 (pt) | 2019-03-12 |
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