FI104827B - Förfarande för eliminering av förorening och skiktning i gasfasreaktorer - Google Patents
Förfarande för eliminering av förorening och skiktning i gasfasreaktorer Download PDFInfo
- Publication number
- FI104827B FI104827B FI951779A FI951779A FI104827B FI 104827 B FI104827 B FI 104827B FI 951779 A FI951779 A FI 951779A FI 951779 A FI951779 A FI 951779A FI 104827 B FI104827 B FI 104827B
- Authority
- FI
- Finland
- Prior art keywords
- reactor
- gas phase
- antistatic agent
- loop reactor
- process according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008030 elimination Effects 0.000 title 1
- 238000003379 elimination reaction Methods 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 23
- 239000002216 antistatic agent Substances 0.000 claims description 45
- -1 aliphatic primary amine Chemical class 0.000 claims description 27
- 239000003054 catalyst Substances 0.000 claims description 21
- 239000003085 diluting agent Substances 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229920001577 copolymer Polymers 0.000 claims description 12
- 229920000768 polyamine Polymers 0.000 claims description 9
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 5
- 239000004711 α-olefin Substances 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 3
- 229960004889 salicylic acid Drugs 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- VJOWMORERYNYON-UHFFFAOYSA-N 5-ethenyl-2-methylpyridine Chemical compound CC1=CC=C(C=C)C=N1 VJOWMORERYNYON-UHFFFAOYSA-N 0.000 claims description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000178 monomer Substances 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 230000003449 preventive effect Effects 0.000 abstract 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 49
- 239000012071 phase Substances 0.000 description 48
- 229920000642 polymer Polymers 0.000 description 34
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 30
- 239000005977 Ethylene Substances 0.000 description 30
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 26
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 239000001294 propane Substances 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 239000010936 titanium Substances 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 12
- 239000002519 antifouling agent Substances 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- 230000005611 electricity Effects 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000002685 polymerization catalyst Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 101100023124 Schizosaccharomyces pombe (strain 972 / ATCC 24843) mfr2 gene Proteins 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- VAMFXQBUQXONLZ-UHFFFAOYSA-N icos-1-ene Chemical compound CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 201000006747 infectious mononucleosis Diseases 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229940095068 tetradecene Drugs 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical group FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2435—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
- B01J8/18—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
-
- 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
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00707—Fouling
-
- 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
- B01J2208/00734—Controlling static charge
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- 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
- Y10S526/904—Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Claims (9)
1. En metod att hindra avlagringsproblem i gasfasreaktor i en sädan flerfaspolymeriserings-process, som innefattar ätminstone en loopreaktor, däri alfaolefiner polymeriseras eller 5 kopolymeriseras i partikelform vid närvaro av katalyt och där loopreaktom fbljs av en gasfasreaktor, däri polymerisering fortsätter vid närvaro av tillsatt monomer, och där man i processen använder ett andstatiskt medel att forhindra nedsmutsning av eller avlagring i reaktom, kännetecknad av att hela mängden andstatiskt ämne tillsätts i loopreaktom och att mängden andstatiskt ämne är större än den som behövs att forhindra nedsmutsning av ίο loopreaktom.
2. En metod enligt patentkrav 1, känneteckand av att kokpunkten för det antistatiska ämnet är högre än det i den nämnda loopreaktom använda utspädningsmedlet.
3. En metod enligt patentkrav 1 eller 2, känneteckand av att mängden av det tillsatta andstatiskt ämnet är 8-500 ppm av det i loopreaktom använda utspädningsmedlet.
4. En metod enligt patentkrav 1-3, känneteckand av att det andstatiskt ämnet är en . : . komposition bestäende av en alfaolefin-akrylonitrilkopolymer och polymera polyaminer.
5. En metod enligt patentkrav 4, känneteckand av att den nämnda pölyäminen är en polymerissationsprodukt av en alifatisk primär amin eller diamin tillsammans med : 1: epiklorhydrin eller alfaolefin-maleinsyraanhydridkopolymer. * · > · » «
6. En metod enligt patentkrav 4-5, känneteckand av att mängden alfaolefin-:.V akrylonitrilkopolymer i förhällande tili polyaminkomponenten är 1:99 - 99:1, fördelaktigt :7: 25:75 - 75:25. * ♦ · • · • · « · · : · 1:
7. En metod enligt patentkrav 1-3, känneteckand av att det nämnda antistatiska ämnet är en 30 blandning innehällande Cr-salt av C14-C18 alkylsalicylsyra, Ca-dialkylsulfosuccinat och . 1 1 1. kopolymer av alkylmetakrylat tillsammans med 2-metyl-5-vinylpyridin löst i xylen. i 104827
8. En metod enligt patentkrav 1-7, känneteckand av att mängden blandning är 0,001 - 3 g/g katalyt, fördelaktigt 0,01-0,7 g/g katalyt
9. En metod enligt nägot av de föregäende patentkraven, känneteckand av att den nämnda 5 alfaolefinen, som polymeriseras i nämnd reaktor, är vald ur gruppen eten, propen, 1-buten, 1-hexen eller en blandning av dessa. • · • · « · · < · · « · · · I · · I · · « I · I · • · • · I · I « · • · • . < · · t · · 111·« 1 « · « · « I • · ·
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951779A FI104827B (sv) | 1995-04-12 | 1995-04-12 | Förfarande för eliminering av förorening och skiktning i gasfasreaktorer |
| DE69606526T DE69606526T2 (de) | 1995-04-12 | 1996-04-10 | Verfahren zur verhinderung von belagbildung und verfaulen in gasphasenreaktoren |
| JP53074396A JP3706973B2 (ja) | 1995-04-12 | 1996-04-10 | 気相反応器における汚損および分出しの防止方法 |
| CN96193863A CN1101408C (zh) | 1995-04-12 | 1996-04-10 | 防止气相反应器中结垢和结片的方法 |
| BR9604903A BR9604903A (pt) | 1995-04-12 | 1996-04-10 | Método para evitar a obstruçao ou formaçao de láminas em reatores de fase de gás |
| AU53360/96A AU706943B2 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| EP96910040A EP0820474B1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| KR1019970707157A KR100415699B1 (ko) | 1995-04-12 | 1996-04-10 | 기상반응기에서의오염및시이팅방지방법 |
| ES96910040T ES2142056T3 (es) | 1995-04-12 | 1996-04-10 | Metodo para evitar la formacion de suciedad y revestimientos en reactores en fase gaseosa. |
| PCT/FI1996/000189 WO1996032420A1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| US08/945,225 US6096837A (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| AT96910040T ATE189463T1 (de) | 1995-04-12 | 1996-04-10 | Verfahren zur verhinderung von belagbildung und verfaulen in gasphasenreaktoren |
| CA002218050A CA2218050A1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951779 | 1995-04-12 | ||
| FI951779A FI104827B (sv) | 1995-04-12 | 1995-04-12 | Förfarande för eliminering av förorening och skiktning i gasfasreaktorer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI951779A0 FI951779A0 (sv) | 1995-04-12 |
| FI951779A FI951779A (sv) | 1996-10-13 |
| FI104827B true FI104827B (sv) | 2000-04-14 |
Family
ID=8543240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI951779A FI104827B (sv) | 1995-04-12 | 1995-04-12 | Förfarande för eliminering av förorening och skiktning i gasfasreaktorer |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6096837A (sv) |
| EP (1) | EP0820474B1 (sv) |
| JP (1) | JP3706973B2 (sv) |
| KR (1) | KR100415699B1 (sv) |
| CN (1) | CN1101408C (sv) |
| AT (1) | ATE189463T1 (sv) |
| AU (1) | AU706943B2 (sv) |
| BR (1) | BR9604903A (sv) |
| CA (1) | CA2218050A1 (sv) |
| DE (1) | DE69606526T2 (sv) |
| ES (1) | ES2142056T3 (sv) |
| FI (1) | FI104827B (sv) |
| WO (1) | WO1996032420A1 (sv) |
Families Citing this family (80)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443074A (en) * | 1974-01-14 | 1976-07-21 | Ici Ltd | Olefin polymerisation process |
| JPS5830323B2 (ja) * | 1974-08-12 | 1983-06-28 | 昭和電工株式会社 | オレフインノ ジユウゴウホウホウ |
| US3995097A (en) * | 1975-09-15 | 1976-11-30 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors |
| US4068054A (en) * | 1976-08-02 | 1978-01-10 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors and antistatic agents |
| US4182810A (en) * | 1978-04-21 | 1980-01-08 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors |
| US4259087A (en) * | 1978-12-15 | 1981-03-31 | Petrolite Corporation | Antistats containing acrylonitrile copolymers and polyamines |
| US4740550A (en) * | 1986-06-18 | 1988-04-26 | Shell Oil Company | Multistage copolymerization process |
| FR2660926B1 (fr) * | 1990-04-11 | 1992-07-31 | Bp Chemicals Snc | Prepolymere d'alpha-olefine contenant un metal de transition et procede de polymerisation d'alpha-olefine en phase gazeuse mettant en óoeuvre le prepolymere. |
| FI86867C (sv) * | 1990-12-28 | 1992-10-26 | Neste Oy | Flerstegsprocess för framställning av polyeten |
| FI96216C (sv) * | 1994-12-16 | 1996-05-27 | Borealis Polymers Oy | Prosess för framställning av polyeten |
-
1995
- 1995-04-12 FI FI951779A patent/FI104827B/sv active
-
1996
- 1996-04-10 CA CA002218050A patent/CA2218050A1/en not_active Abandoned
- 1996-04-10 EP EP96910040A patent/EP0820474B1/en not_active Expired - Lifetime
- 1996-04-10 ES ES96910040T patent/ES2142056T3/es not_active Expired - Lifetime
- 1996-04-10 AU AU53360/96A patent/AU706943B2/en not_active Ceased
- 1996-04-10 AT AT96910040T patent/ATE189463T1/de not_active IP Right Cessation
- 1996-04-10 JP JP53074396A patent/JP3706973B2/ja not_active Expired - Fee Related
- 1996-04-10 US US08/945,225 patent/US6096837A/en not_active Expired - Lifetime
- 1996-04-10 WO PCT/FI1996/000189 patent/WO1996032420A1/en active IP Right Grant
- 1996-04-10 CN CN96193863A patent/CN1101408C/zh not_active Expired - Lifetime
- 1996-04-10 BR BR9604903A patent/BR9604903A/pt not_active IP Right Cessation
- 1996-04-10 DE DE69606526T patent/DE69606526T2/de not_active Expired - Lifetime
- 1996-04-10 KR KR1019970707157A patent/KR100415699B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2142056T3 (es) | 2000-04-01 |
| EP0820474B1 (en) | 2000-02-02 |
| JP3706973B2 (ja) | 2005-10-19 |
| KR19980703757A (ko) | 1998-12-05 |
| FI951779A (sv) | 1996-10-13 |
| CN1184486A (zh) | 1998-06-10 |
| US6096837A (en) | 2000-08-01 |
| CN1101408C (zh) | 2003-02-12 |
| KR100415699B1 (ko) | 2004-06-18 |
| WO1996032420A1 (en) | 1996-10-17 |
| AU706943B2 (en) | 1999-07-01 |
| BR9604903A (pt) | 1998-07-21 |
| CA2218050A1 (en) | 1996-10-17 |
| ATE189463T1 (de) | 2000-02-15 |
| AU5336096A (en) | 1996-10-30 |
| DE69606526T2 (de) | 2000-06-21 |
| DE69606526D1 (de) | 2000-03-09 |
| EP0820474A1 (en) | 1998-01-28 |
| FI951779A0 (sv) | 1995-04-12 |
| JPH11503479A (ja) | 1999-03-26 |
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