WO2007074938A1 - 蓄電用炭素材料用およびニードルコークス用原料油組成物並びに原料炭 - Google Patents
蓄電用炭素材料用およびニードルコークス用原料油組成物並びに原料炭 Download PDFInfo
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- WO2007074938A1 WO2007074938A1 PCT/JP2006/326368 JP2006326368W WO2007074938A1 WO 2007074938 A1 WO2007074938 A1 WO 2007074938A1 JP 2006326368 W JP2006326368 W JP 2006326368W WO 2007074938 A1 WO2007074938 A1 WO 2007074938A1
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- Prior art keywords
- oil
- mass
- coal
- less
- raw
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 40
- 239000011331 needle coke Substances 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims description 89
- 239000003575 carbonaceous material Substances 0.000 title description 8
- 230000005611 electricity Effects 0.000 title description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000003921 oil Substances 0.000 claims abstract description 106
- 239000000295 fuel oil Substances 0.000 claims abstract description 51
- 239000003990 capacitor Substances 0.000 claims abstract description 35
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 33
- 239000011593 sulfur Substances 0.000 claims abstract description 33
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004231 fluid catalytic cracking Methods 0.000 claims abstract description 22
- 238000009835 boiling Methods 0.000 claims abstract description 21
- 238000005292 vacuum distillation Methods 0.000 claims abstract description 16
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims description 60
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- 238000004939 coking Methods 0.000 claims description 37
- 239000000571 coke Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 12
- 239000003208 petroleum Substances 0.000 claims description 11
- 239000007772 electrode material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 7
- 239000010779 crude oil Substances 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 2
- 239000003079 shale oil Substances 0.000 claims description 2
- 239000011275 tar sand Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000001994 activation Methods 0.000 description 32
- 238000000034 method Methods 0.000 description 32
- 230000004913 activation Effects 0.000 description 31
- 230000001007 puffing effect Effects 0.000 description 21
- 238000004140 cleaning Methods 0.000 description 17
- 239000003513 alkali Substances 0.000 description 15
- 229910052783 alkali metal Inorganic materials 0.000 description 15
- 150000001340 alkali metals Chemical class 0.000 description 14
- 238000005406 washing Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000011329 calcined coke Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 11
- -1 orinocotal Substances 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
- 230000003111 delayed effect Effects 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 8
- 230000005484 gravity Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 229910000000 metal hydroxide Inorganic materials 0.000 description 8
- 150000004692 metal hydroxides Chemical class 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 5
- 239000011280 coal tar Substances 0.000 description 5
- 239000006258 conductive agent Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000011305 binder pitch Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 235000010980 cellulose Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical class 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 241000234435 Lilium Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- RFFFKMOABOFIDF-UHFFFAOYSA-N Pentanenitrile Chemical compound CCCCC#N RFFFKMOABOFIDF-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000004714 phosphonium salts Chemical group 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/44—Raw materials therefor, e.g. resins or coal
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/045—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing mineral oils, bitumen, tar or the like or mixtures thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a raw material oil composition for power storage carbon material and needle coater, and raw material coal.
- the present invention relates to a raw material oil composition and raw material charcoal that provide activated carbon that can easily remove residual alkali metal as activated carbon for an electric double layer capacitor electrode.
- the present invention also relates to a raw material oil composition and raw material charcoal that are also suitable for needle coke.
- a carbon material is subjected to a gas activation treatment or a chemical activation treatment, for example, an alkali activation treatment using an alkali metal hydroxide as an activation aid, and thereafter, an activated metal or alkali metal is added to the activated material.
- a gas activation treatment or a chemical activation treatment for example, an alkali activation treatment using an alkali metal hydroxide as an activation aid, and thereafter, an activated metal or alkali metal is added to the activated material.
- neutralization washing with strong acids such as hydrochloric acid, nitric acid and sulfuric acid is generally performed.
- Patent Document 2 International Publication No. 2 0 0 4-0 1 1 3 7 1 Pamphlet
- an easily graphitized carbonaceous material is subjected to alkali activation treatment, and the obtained activation treatment product is treated with hot water or carbonated water. It is described that activated carbon is obtained by washing in the order of hot hydrochloric acid, aqueous ammonia, hot hydrochloric acid and hot water.
- the washing operation is complicated, activated carbon having a structure in which residual alkali metals are easily removed. Development of was strongly desired.
- needle coke used for the aggregate of graphite electrodes for electric steelmaking is generally produced from petroleum heavy oil or coal tar.
- a graphite electrode first, coatas grains and a binder pitch are blended at a predetermined ratio, and after heating and mixing, extrusion molding is performed to produce a raw electrode. The raw electrode is fired, graphitized, and then processed to obtain a graphite electrode product.
- C T E coefficient of thermal expansion
- the above graphitization is a process of heat treatment at about 300 ° C., and a method using a direct current type furnace (L WG furnace) is common, but graphitization is performed using an L WG furnace.
- L WG furnace direct current type furnace
- the rate of temperature rise is fast, so the rate of gas generation increases, and an abnormal expansion phenomenon called puffing tends to occur.
- puffing occurs, the electrode is reduced in density and, in some cases, the electrode is damaged.
- Patent Document 3 Japanese Patent Laid-Open No. 5_10 5 8 8 1
- Patent Document 4 Japanese Patent Laid-Open No. 5-1634831
- coal tar heavy oil and petroleum heavy oil are mixed with a nitrogen content of 1.0 wt% or less and a sulfur content of 1.4 wt%.
- the raw oil is prepared by mixing the raw oil with the ratio of the range, and charging the raw oil into the delayed co. To produce raw coke, and the resulting raw coke is heated to a temperature of 700 to 900 ° C. A method is disclosed in which calcination is carried out in a range, and after refrigeration, the product is again calcinated in a temperature range of 120 to 160 ° C.
- Patent Document 5 Japanese Patent Laid-Open No. 5-20202 3
- the pyrolysis temperature in the reactor is 7500 ° C or higher.
- Patent Document 6 Japanese Patent Laid-Open No. 7-3266
- a petroleum heavy oil alone or a coal tar heavy oil from which quinoline insolubles have been previously removed is mixed with the petroleum heavy oil.
- oil-based heavy oil that has been pre-adjusted so that the content of particles such as ash is in the range of 0-5 wt% to 1 wt% The method used is disclosed.
- the inventors of the present invention have studied extensively from the viewpoint of raw material oil used as a raw material for activated carbon, combined with specific raw material oils, coking them, and then obtained by activating the resulting raw material coal. It was found that activated carbon makes it easier for the cleaning solution to enter and exit during cleaning, and as a result, the residual alkali content in the activated carbon can be reduced and the cleaning operation can be simplified.
- the present inventors have a sufficiently small thermal expansion coefficient of needle coke sca obtained by further calcining a raw material coal obtained by coking a raw material oil composition combining such specific raw material oils, and It was found that puffing is sufficiently suppressed.
- “coking coal” refers to a carbide used as a raw material for activated carbon or needle coke, obtained by coking a raw oil such as heavy oil or residual oil. That is, the present invention relates to an initial boiling point of 300 ° C. or higher, a petroleum content of 12% by mass or less, a saturated content of 50% by mass or more, and a sulfur content of 0 or more obtained as a residual oil when petroleum is distilled under reduced pressure. A first heavy oil of 3% by mass or less and an initial boiling point obtained by fluid catalytic cracking of hydrocarbon oil 150 ° C or higher and a second heavy oil having a sulfur content of 0.5% by mass or less The present invention relates to a raw material composition for raw coal, characterized by containing oil.
- the present invention also relates to a raw coal obtained by coking the above raw material oil composition at 300 to 80,000 Pa, 400 to 600 ° C.
- the present invention provides an activated carbon obtained by activating the above raw coal or a raw material carbon heat treatment obtained by treating the raw coal at 55 ° C. to 900 ° C. under normal pressure with an alkali metal hydroxide. About.
- the present invention also relates to an electric double layer capacitor using the activated carbon as an electrode material.
- the present invention relates to a two-dollar coke obtained by calcining the raw coal at 80 to 160 ° C. '
- Activated carbon obtained by alkali activation of the raw coal obtained by coking the raw oil composition of the present invention obtained by mixing a specific heavy oil is easy for the cleaning liquid to enter and exit. Since the amount of residual alkali metal decreases, the cycle characteristics of the electric double layer capacitor using it as an electrode material are improved. In addition, since the cleaning operation is simplified, activated carbon can be manufactured at a lower cost, and its industrial value is extremely high. Further, needle coke obtained by further calcining the raw coal obtained by coking the raw material oil composition of the present invention has a sufficiently small coefficient of thermal expansion, and puffing is sufficiently suppressed.
- the raw material composition for raw coal of the present invention is a raw material composition suitable for producing raw material coal for activated carbon or needle coke, and is a heavy oil having specific properties obtained by vacuum distillation of petroleum. Oil (hereinafter referred to as first heavy oil) and hydrocarbon oil flow It consists of a mixture of heavy oils with specific properties obtained by catalytic cracking (hereinafter referred to as second heavy oil). '
- the first heavy oil according to the present invention has an initial boiling point of not less than 300 ° C. obtained as a residual oil when petroleum is distilled under reduced pressure, not more than 12% by weight of fusuart, and not more than 50% by weight of saturated component. This is a heavy oil having a sulfur content of 0.3% by mass or less.
- Examples of petroleums that are the first heavy oil feedstock include crude oil, atmospheric distillation residue obtained by distillation of crude oil, and mixed oils thereof.
- the processing conditions for distilling the above-mentioned feedstock oil (petroleum) under reduced pressure are not particularly limited as long as the boiling point, wasphaltenene content, saturated content and sulfur content of the obtained first heavy oil satisfy the above conditions.
- the pressure is preferably 30 kPa or less, and the temperature is preferably 400 ° C or more.
- the heavy oil satisfying the above conditions is the first heavy oil according to the present invention, which has the boiling point, the asphaltene content, the saturated content, and the sulfur content. Used as oil.
- the first boiling point of the first heavy oil needs to be 300 ° C. or more, and preferably 3500 ° C. or more.
- the initial boiling point is less than 300 ° C, the yield of the raw coal is reduced, and the raw coal is in an amorphous structure, and the residual alkali metal in the activated carbon obtained by alkali activation of the raw coal The amount increases, which is not preferable.
- the upper limit of the initial boiling point is preferably 45 ° C. or lower, and more preferably 400 ° C. or lower.
- the first heavy oil must have a wasphalene content of 12% by mass or less, preferably 10% by mass or less, and more preferably 9% by mass or less.
- a wasphalene content of 12% by mass or less, preferably 10% by mass or less, and more preferably 9% by mass or less.
- the coal alkene content exceeds 12% by mass, early coking proceeds, and the resulting raw coal becomes a coke structure with poor crystallinity, and the amount of residual alkali metal in the activated coal obtained by alkali activation of the raw coal is reduced. It is not preferable because it increases, and it is not preferable because the coefficient of thermal expansion of needle coats obtained by calcining the raw coal is increased.
- the lower limit of the asphaltene content is 0 mass 0 /. It is.
- the saturated content of the first heavy oil is 50 mass. / Must be greater than or equal to 0 , preferably 55 mass. / 0 or more, more preferably 60% by mass or more. If the saturated content is less than 50% by mass, the orientation of the mesophase deteriorates, and the resulting raw coal has a coke structure with poor crystallinity, which is not preferable, and the need to be obtained by calcining the raw coal This is not preferable because the coefficient of thermal expansion of lecotus increases.
- the upper limit of the saturated content is preferably 85 mass% or less, more preferably 80 mass% or less.
- the sulfur content of the first heavy oil must be 0.3% by mass or less, and preferably 0.2% by mass. / 0 or less, more preferably 0.1% by mass or less. If the sulfur content exceeds 0.3% by mass, it tends to induce early coking, and the resulting coking coal has a coke structure with poor crystallinity, and the remaining alkali metal in the activated coal obtained by alkali activation of the coking coal. This is not preferable because the amount increases, and the puffing of the needle coat obtained by calcining the raw coal cannot be sufficiently suppressed.
- the second heavy oil according to the present invention is a heavy oil having an initial boiling point of 150 ° C or higher and a sulfur content of 0.5% by mass or lower obtained by fluid catalytic cracking of hydrocarbon oil.
- fluid catalytic cracking means a process of cracking a high-boiling fraction using a solid acid catalyst or the like.
- the fluid catalytic cracking apparatus used for such treatment is also called an F CC (Fluidized Catalytic Cracking) apparatus.
- the hydrocarbon oil that is the feedstock of the second heavy oil is not particularly limited as long as it can obtain a heavy oil whose initial boiling point and sulfur content satisfy the above conditions by fluid catalytic cracking.
- a hydrocarbon oil having a density at 15 ° C. of 0.8 gZcm 3 or more is preferred.
- Such hydrocarbon oils include straight-run gas oil, vacuum gas oil, desulfurized gas oil, desulfurized vacuum gas oil, atmospheric distillation residual oil, vacuum distillation residual oil, shale oil, tar sand bitumen, orinocotal, coal liquefied oil, these And those obtained by hydrorefining and mixtures thereof.
- vacuum gas oil and desulfurized vacuum gas oil are particularly preferably used.
- the conditions for fluid catalytic cracking are not particularly limited as long as it is possible to obtain a heavy oil whose initial boiling point and sulfur content satisfy the above conditions.
- the reaction temperature is 480 to 550 ° C
- the total pressure is 1 to 3 kg / cm 2 G (98 to 294 kPa gauge pressure)
- catalyst / oil ratio 1 to 20 wt / wt
- contact time 1 to 10 seconds are preferable.
- Examples of the catalyst used for fluid catalytic cracking include a silica / alumina catalyst, a zeolite catalyst, or a catalyst in which a metal such as platinum is supported. And so on. A commercial item may be used for these catalysts.
- the initial boiling point of the second heavy oil obtained in this way needs to be 1550 ° C or higher, preferably 2100 ° C or higher, more preferably 2200 ° C. C or higher. If the initial boiling point is less than 1550 ° C, the yield of raw coal decreases, and the resulting raw coal has an amorphous structure.
- the activated carbon obtained by alkali activation of the raw coal is This is not preferable because the amount of residual alkali metal is increased, and the thermal expansion coefficient of needle coat obtained by calcining the raw coal is increased.
- the upper limit of the initial boiling point is preferably 3500 ° C or less, more preferably 3100 ° C or less.
- the sulfur content of the second heavy oil needs to be 0.5% by mass or less, preferably 0.4% by mass or less, more preferably 0.3% by mass or less. If the sulfur content exceeds 0.5% by mass, it tends to induce early coking, and the resulting raw coal has a coke structure with poor crystallinity and remains in the active coal obtained by alkali activation of the raw coal. This is not preferable because the amount of alkali metal is increased, and the puffing of needle coats obtained by calcining the raw coal is not sufficiently suppressed.
- nitrogen content of the second heavy oil is not particularly limited, 0. Is preferably 2 mass% or less, more preferably 0. 1-5% by weight or less, more preferably 0. 1 mass 0/0 It is as follows. The nitrogen content is 0. More than 2 mass 0/0, it is impossible to sufficiently suppress the package Fuingu needle Kotasu.
- the raw material oil composition of the present invention can be obtained by mixing the first heavy oil and the second heavy oil described above.
- the content ratio of the first heavy oil is preferably 1 0-8 0% by weight, more preferably 2 0-7 0% by weight, more preferably formulated to be 3 0-6 0 weight 0/0.
- the mixing ratio of the first heavy oil and the second heavy oil is 1 to 50% by mass of the first heavy oil.
- the content is 5 to 50% by mass, and more preferably 15 to 50% by mass.
- the raw material oil composition of the present invention is subjected to coking (carbonization) treatment. Examples of methods for coking the feedstock composition include the delayed coking method, the visbreaking method, the flexi coking method, the lily force process, and H_Oi1, among which the delayed coking method is particularly preferred. preferable.
- the raw material oil composition is put into a delayed coke and heat treated under pressure.
- the pressure of the delayed co is preferably 3 00 to 80 0 kPa.
- the temperature is preferably from 400 to 60 ° C, more preferably from 45 to 55 ° C, and the time is preferably from 24 to 72 hours, more preferably from 36 to 60 hours. is there.
- the raw material oil composition of the present invention comprising the first heavy oil and the second heavy oil has a mosaic structure of 10 m or less when heat-treated at 500 ° C. Desirably, it will provide coking coal with a proportion of 5% or less, preferably 2% or less.
- a small proportion of mosaic structure of 1 O / im or less in the raw coal means that the growth state of liquid crystal called mesophase is good.
- Mesophase is an intermediate product produced by thermal decomposition and polycondensation accompanying heat treatment of raw material oil, and a series of aromatic rings developed along the same plane.
- the method for measuring the mosaic structure in coking coal is as described in “Basics of Carbonization Engineering”, Yuzo Sanada, Sugirou Otani (Ohm) 1 47.
- the raw coal is heat-treated at 55 ° C to 900 ° C, preferably 60 ° C to 85 ° C, under an inert atmosphere and normal pressure, and then the alkali activation treatment. It is also preferably adopted.
- the activated carbon thus obtained is used as an electrode material for an electric double layer capacitor.
- the raw material coal or the raw material for heat treatment of raw material coal is mixed with the metal hydroxide in a nitrogen gas or an inert gas atmosphere.
- a method of heating at 0 ° C. can be mentioned.
- the metal hydroxide include alkali metal hydroxides such as potassium hydroxide, sodium hydroxide and lithium hydroxide, and alkaline earth metal hydroxides such as magnesium hydroxide and barium hydroxide. Can be mentioned. Moreover, not only one type but also two or more types can be used in combination. Of these, potassium hydroxide is particularly preferable because it can efficiently form micropores.
- the amount of the raw coal or the raw material for heat treatment of the raw material charcoal and the metal hydroxide can be set to 1 / 0.5 to 1/10 in mass ratio of the raw material coal or the raw material for heat treatment of the raw material charcoal / metal hydroxide And preferably 1 Z 1 to 1 Z 5.
- the mass ratio of the raw coal or the raw material for heat treatment of the raw material metal hydroxide By setting the mass ratio of the raw coal or the raw material for heat treatment of the raw material metal hydroxide to 10.5 or less, it is possible to sufficiently form micropores in the activated carbon and to obtain activated carbon having a sufficient surface area.
- the mass ratio of raw coal or raw material for heat treatment of raw material coal / metal hydroxide is set to 1/10 or more, the activation reaction can be efficiently performed without lowering the bulk density.
- water or the like may coexist in addition to the raw coal or the raw material of the raw coal and the metal hydroxide.
- the activation temperature can be, for example, in the range of 5 00 to 1 2 200 ° C, preferably 6 0 to 1 0 0 0 ° C. More preferably, a range of 600 to 80 ° C. can be mentioned. When the activation temperature is in the above range, activated carbon having sufficient fine pores can be obtained efficiently.
- the activation treatment time can be appropriately selected in relation to conditions such as temperature, and can include 3 to 6 hours, for example.
- inert gas at the time of activation examples include inert gas and nitrogen gas.
- nitrogen gas examples of the inert gas at the time of activation.
- the cleaning of the activated material is a cleaning in which the activated material is washed with a washing liquid to perform solid-liquid separation.
- Examples of the method include immersing the activation material in a cleaning solution, stirring and heating as necessary, mixing with the cleaning solution, and then removing the cleaning solution.
- water and an acid water solution are preferably used.
- water cleaning, acid water cleaning, and water cleaning may be used in appropriate combination.
- the acid aqueous solution include hydrohalic acids such as hydrochloric acid, hydroiodic acid, and hydrobromic acid, and inorganic acids such as sulfuric acid and carbonic acid.
- Examples of the concentration of the aqueous acid solution include 0.1 to 3N. Cleaning with these cleaning solutions can be repeated multiple times as necessary.
- the activated carbon obtained by alkali activation of the raw coal obtained by coking the raw oil composition of the present invention has a feature that the residual alkali metal is reduced when washed by the same washing operation as compared with the conventional activated carbon. Have.
- the reason why the residual alkali metal is reduced is that the raw coal according to the present invention has a crystal structure in which the metal hydroxide of the activator is easy to enter and escape, and the obtained activated carbon has a penetration of the cleaning liquid. This is thought to be due to the crystal structure that makes it easy to escape.
- the activated carbon according to the present invention when used as an electrode of an electric double layer capacitor, electrolyte ions can easily enter and exit during charging and discharging, and the capacitance retention rate in the cycle characteristic test is improved. .
- the electric double layer capacitor of the present invention is obtained by using, as an electrode material, activated carbon obtained by activating the raw coal obtained from the raw oil composition of the present invention or the raw material for heat treatment of raw coal.
- the electrode of the electric double layer capacitor of the present invention is not particularly limited as long as it contains the above activated carbon, but may contain a binder, a conductive agent, etc., and is integrated with the current collector. It may be what you did.
- binder known ones can be used. Specifically, polyolefins such as polyethylene and polypropylene, polytetrafluoroethylene, polyvinylidene fluoride, fluoroolefin / vinyl ether copolymer Fluorinated polymers such as cross-linked polymers, celluloses such as carboxymethylcellulose, vinyl-based polymers such as polypyrrole pyrrolidone and polybulal alcohol, polyacrylic Examples include lylic acid. Specifically, the content of the binder in the electrode material can be 0.1 to 30% by mass.
- the conductive agent examples include powders such as carbon black, acetylene black, and powder graphite.
- the content of the conductive agent in the electrode material is preferably 1 to 50% by mass, more preferably 2 to 30% by mass.
- a method of adding the activated carbon, the binder, and the conductive agent to a solvent that dissolves the binder and applying the slurry as a slurry to a sheet-like current collector for example, a method of adding the activated carbon, the binder, and the conductive agent to a solvent that dissolves the binder and applying the slurry as a slurry to a sheet-like current collector.
- the method include kneading the activated carbon, the binder, and the conductive agent without using a solvent, and performing pressure molding at room temperature or under heating.
- the current collector known materials and shapes can be used. Specific examples include metals such as aluminum, titanium, tantalum and nickel, and alloys such as stainless steel.
- the electric double layer capacitor of the present invention can be produced as a unit cell in which a pair is provided with the above electrodes as a positive electrode and a negative electrode, facing each other via a separator, and immersed in an electrolytic solution.
- a separator unemployed cloth such as polypropylene fiber or glass fiber, or cellulose paper can be used.
- an aqueous electrolytic solution or a nonaqueous electrolytic solution can be used, but it is preferable to use a nonaqueous electrolytic solution.
- the non-aqueous electrolyte include those obtained by dissolving an electrolyte in an organic solvent.
- the solvent include propylene carbonate, ethylene carbonate, butylene carbonate, ⁇ -butyl lactone, sulfolane, 3 —Sulfolane derivatives such as methylsulfolane, 1, 2 —Dimethoxetane such as dimethoxetane, acetonitrile, glutaronotryl, valeronitrile, dimethylformamide, dimethylsulfoxide, tetrahydrofuran, methyl formate, dimethyl carbonate, jetyl carbonate, Ethylmethyl carbonate and the like can be mentioned, and these can be used alone or in combination of two or more.
- Examples of the electrolyte of the electrolytic solution include inorganic ion salts such as alkali metal salts and alkaline earth metal salts, quaternary ammonium salts, cyclic quaternary ammonium salts, and quaternary phosphonium salts.
- inorganic ion salts such as alkali metal salts and alkaline earth metal salts, quaternary ammonium salts, cyclic quaternary ammonium salts, and quaternary phosphonium salts.
- the electrolyte concentration in the electrolytic solution can be set to 0.5 :! to 5 mol 1 / L, and preferably 0.5 to 5 mol ZL.
- the shape of the electric double layer capacitor of the present invention for example, a coin type in which a pair of electrodes of a sheet shape or disk shape having a thickness of 50 to 500 / m is accommodated in a metal case via a separator, 1
- a coin type in which a pair of electrodes are wound through a separator
- a stacked type in which a pair of electrodes provided through a separator are provided in multiple layers.
- the activated carbon is used as an electrode material, the cycle characteristics are improved, and excellent durability and excellent capacity retention are exhibited.
- the raw coal of the present invention obtained by coking the raw oil composition containing the first heavy oil and the second heavy oil is further calcined in a rotary kiln, a shaft furnace or the like. By doing-one dollar coke can be.
- the temperature during calcination is preferably 800 to 1600 ° C, more preferably 1000 to 1500 ° C.
- the calcination time is usually 1 to 10 hours, preferably 2 to 6 hours.
- the needle coke of the present invention preferably has a sulfur content of 0.5% by mass or less and a nitrogen content of 0.1% by mass or less.
- the needle coke of the present invention has a coefficient of thermal expansion that is sufficiently small and puffing is sufficiently suppressed.
- the use of a puffing inhibitor has been known in the past.
- the puffing inhibitor becomes an impurity to improve the electrode quality (especially thermal expansion coefficient, density, etc.). May have adverse effects.
- the needle coke of the present invention is very useful in that puffing can be sufficiently suppressed without using a puffing inhibitor and that the thermal expansion coefficient of the needle coat can be sufficiently reduced.
- the one-dollar coke of the present invention is suitably used as an aggregate of a graphite electrode for electric steelmaking.
- a method for producing a graphite electrode product using the needle coke of the present invention a raw material obtained by adding an appropriate amount of binder pitch to the dolcotus of the present invention is heated and mixed, and then extruded to obtain a raw electrode. After firing and graphitizing the raw electrode, The method of processing is mentioned.
- sulfur means a value measured according to JIS K2541 in the case of oil, and a value measured according to JISM 8813 in the case of coke.
- Nonrogen means the value measured according to JIS K 2609 for oil, and the value measured according to JISM 88 13 for coke.
- saturated and “fasuart” mean values measured using a thin layer matrix.
- the raw material oil composition for raw coal of the present invention is suitably used for producing activated carbon for electric double layer capacitor electrodes and for producing needle coke.
- vacuum distillation residue oil A vacuum distillation residue oil (density 92 g / cm 3 , sulfur content 0.35 mass%) was distilled under reduced pressure at a furnace outlet temperature of 350 ° C and a pressure of 1.3 kPa, point 41 0 ° C, Asufuaruten fraction 9 wt%, saturates 6 1 mass 0/0, sulfur content 0.1 wt%, nitrogen oxygen partial 0.3 wt% of vacuum distillation residual oil (hereinafter, "vacuum distillation residue oil A ”).
- This vacuum distillation residue oil A was put in a test tube and heat-treated at normal pressure and 500 ° C for 3 hours to be coke.
- the mosaic structure of 10 m or less was 15% by mass.
- desulfurized vacuum gas oil (sulfur content 500 mass p pm, density 0.88 g / cm 3 at 15 ° C) is subjected to fluid catalytic cracking, and fluid catalytic cracking residual oil (hereinafter referred to as fluid catalytic cracking residual oil AJ).
- the resulting fluid catalytic cracking residue A has an initial boiling point of 210 ° C, a sulfur content of 0.1% by mass, a nitrogen content of 0.1% by mass and a asphaltene content of 0% by mass. %, Saturated The fraction was 34% by weight.
- This fluid catalytic cracking residue A was put in a test tube and heat treated at 500 ° C for 3 hours at normal pressure to coke.
- the formed coke was embedded in a commercially available resin and observed with a polarizing microscope, no mosaic structure of 10 m or less was observed.
- the activated carbon (0.8 g) obtained above, ketjen black (0.1 g), and polytetrafluoroethylene (0.1 g) were mixed in a mortar. This mixture was sandwiched between two 0.1 mm thick triacetate films, and rolled by passing 20 times between nip rolls having a width of 160 mm, an upper and lower roll interval of 0.7 mm, and a pressure of 23.0 MPa. Two rounds with a diameter of 16 mm were punched out from the rolled sheet to form carbon electrodes. The carbon electrode was dried in a vacuum dryer for 2 hours.
- Table 1 shows the capacitance and cycle characteristics (capacitance retention after repeated charge and discharge 100 times) of the electric double layer capacitor cell thus fabricated.
- the vacuum distillation residue oil A and fluid catalytic cracking residue oil A were mixed at a mass ratio of 6: 4 to obtain a raw material oil.
- Composition B This raw material oil composition B was converted into 4 0 00 k Pa, 5 0 0. Heat treatment was performed at C for 40 hours to coke to obtain coking coal B. Mix 1 part by weight of coking coal B and 2.5 parts by weight of potassium hydroxide (KOH), put them in a nickel reaction vessel, and heat them at 7500 ° C for 1 hour under nitrogen. Except for this, the same operation as in Example 1 was performed to obtain activated carbon for an electric double layer capacitor. Table 1 shows the specific surface area, residual potassium content, and true specific gravity of the activated carbon. In addition, an electric double layer capacitor was produced in the same manner as in Example 1 using the activated carbon. Table 1 shows the capacitance and cycle characteristics of the electric double layer capacitor cell (retention rate of capacitance after repeated charge and discharge 100 times).
- Example 1 Only the fluid catalytic cracking residual oil A obtained in Example 1 was subjected to heat treatment at 40 00 kPa, 50 ° C. for 40 hours to be coke, and then the same operation as in Example 1 was performed. The Al force reactivation treatment was performed, and an electric double layer capacitor was produced using the obtained activated carbon. Table shows the specific surface area of activated carbon, the amount of residual potassium, the true specific gravity, and the capacitance and cycle characteristics of the electric double layer capacitor cell (capacitance retention rate after repeated charge and discharge 100 times). Shown in 1.
- Example 1 Only the vacuum distillation residue A obtained in Example 1 was heat-treated at 40 00 kPa, 50 ° C. for 40 hours to coke, and then subjected to the same operation as in Example 1 to obtain an alkali. An activation process was performed, and an electric double layer capacitor was produced using the obtained activated carbon. Life Table 1 shows the specific surface area, residual potassium content, true specific gravity of the charcoal, and the capacitance and cycle characteristics of the electric double layer capacitor cell (capacitance retention rate after 100000 charge / discharge cycles). Show. As is clear from Table 1, by using the raw material oil composition of the present invention obtained by mixing the vacuum distillation residual oil and the fluid catalytic cracking residual oil, the amount of power lithium remaining in the obtained activated carbon is greatly increased. As a result, the electrostatic capacity retention rate of the electric double layer capacitor using the same can be improved. Table 1
- the raw oil composition C was prepared by mixing the vacuum distillation residual oil A and the fluid catalytic cracking residual oil A at a mass ratio of 1: 1. This raw material oil composition C was put in a test tube and heat-treated at 400 kPa, 500 ° C. for 40 hours to be coke. The generated raw coal C was embedded in a commercially available resin and observed with a polarizing microscope. The mosaic structure of 10 / m or less was 3.5% by mass. Met.
- Table 2 shows the sulfur content, nitrogen content and bulk specific gravity of the calcined coatus.
- the raw oil composition D was prepared by mixing the vacuum distillation residue oil A and the fluid catalytic cracking residue oil A at a mass ratio of 1: 5. This raw material oil composition D was put in a test tube and heat treated at 400 kPa, 500 ° C. for 40 hours to be coke. When the produced raw coal D was embedded in a commercially available resin and observed with a polarizing microscope, the mosaic structure of 10 // m or less was 2.5% by mass.
- Table 2 shows the sulfur content, nitrogen content, and bulk density of the calcined coatus.
- a cylindrical piece was produced in the same manner as in Example 3 except that this calcined coke was used, and the thermal expansion coefficient and puffing were measured. The results are shown in Table 2.
- the raw oil composition E was prepared by mixing the vacuum distillation residual oil A and the fluid catalytic cracking residual oil A at a mass ratio of 1: 3. This raw material oil composition E was put into a test tube and heat-treated at 400 kPa, 500 ° C. for 40 hours to be coke. When the produced raw coal E was embedded in a commercially available resin and observed with a polarizing microscope, the mosaic structure of 10 / im or less was 3.0% by mass.
- Table 2 shows the sulfur content, nitrogen content and bulk specific gravity of the calcined coke obtained.
- Example 3 Except for using this calcined coke, the same method as in Example 3 was used. The thermal expansion coefficient and puffing were measured after fabrication. The results are shown in Table 2. Comparative Example 3>
- the vacuum distillation residue oil A was put in a test tube and heat-treated at 400 kPa, 500 ° C for 40 hours to be coke. Next, the produced raw coal was calcined at 1000 ° C for 5 hours to obtain calcined coke.
- Table 2 shows the sulfur content, nitrogen content and bulk specific gravity of the calcined coatus.
- Fluid catalytic cracking residual oil A was put in a test tube and heat treated at 400 kPa, 500 ° C for 40 hours to be coke. Next, the produced raw coal was calcined at 1000 ° C for 5 hours to obtain calcined coke.
- Table 2 shows the sulfur content, nitrogen content and bulk density of the calcined Koitas.
- vacuum residue oil B A vacuum distillation residue oil having a nitrogen content of 0.3% by mass was obtained.
- This vacuum residue oil B was put in a test tube and heat treated at 400 kPa, 500 ° C. for 40 hours to form a coatus.
- the produced raw coal was embedded in a commercially available resin and observed with a polarizing microscope. As a result, the mosaic structure of 10 ⁇ or less was 18%, which was 7 pieces.
- Table 2 shows the sulfur content, nitrogen content and bulk specific gravity of the calcined coatus obtained.
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP14151447.1A EP2722307B1 (en) | 2005-12-27 | 2006-12-27 | Method for producing a raw coke |
JP2007552037A JP4149508B2 (ja) | 2006-10-30 | 2006-12-27 | 蓄電用炭素材料用原料油組成物並びに原料炭 |
EP06843739.1A EP1977998B1 (en) | 2005-12-27 | 2006-12-27 | Original coal and stock oil composition for needle coke and for electricity storing carbon material |
US12/094,222 US7964173B2 (en) | 2005-12-27 | 2006-12-27 | Feedstock composition and raw coke for electricity storage carbon material and needle coke |
KR1020087015793A KR101340194B1 (ko) | 2005-12-27 | 2006-12-27 | 축전용 탄소재료용 및 니들 코크스용 원료유 조성물 및원료탄 |
CN200680045040.1A CN101331082B (zh) | 2005-12-27 | 2006-12-27 | 用于储电碳材料和针状焦的原煤和原油组合物 |
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JP2005-375926 | 2005-12-27 | ||
JP2005375926A JP4809675B2 (ja) | 2005-12-27 | 2005-12-27 | 石油コークス及びその製造方法 |
JP2006-293963 | 2006-10-30 | ||
JP2006293963 | 2006-10-30 |
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PCT/JP2006/326368 WO2007074938A1 (ja) | 2005-12-27 | 2006-12-27 | 蓄電用炭素材料用およびニードルコークス用原料油組成物並びに原料炭 |
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US (1) | US7964173B2 (ja) |
EP (3) | EP2722308A1 (ja) |
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WO (1) | WO2007074938A1 (ja) |
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EP2297031A4 (en) * | 2008-06-03 | 2013-11-06 | Graftech Int Holdings Inc | NADELKOKS WITH REDUCED PUFFING OF KOHLENTEER |
WO2015098754A1 (ja) * | 2013-12-24 | 2015-07-02 | Jx日鉱日石エネルギー株式会社 | 石油コークス及びその製造方法 |
CN105883750A (zh) * | 2016-04-14 | 2016-08-24 | 神华集团有限责任公司 | 介孔炭及其制备方法 |
CN105905883A (zh) * | 2016-04-15 | 2016-08-31 | 神华集团有限责任公司 | 一种中间相炭微球及其制备方法 |
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- 2006-12-27 EP EP14151451.3A patent/EP2722308A1/en not_active Withdrawn
- 2006-12-27 KR KR1020087015793A patent/KR101340194B1/ko active IP Right Grant
- 2006-12-27 EP EP06843739.1A patent/EP1977998B1/en active Active
- 2006-12-27 US US12/094,222 patent/US7964173B2/en active Active
- 2006-12-27 EP EP14151447.1A patent/EP2722307B1/en active Active
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Cited By (13)
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EP1982956A4 (en) * | 2005-12-27 | 2012-02-29 | Nippon Oil Corp | RAW COAL FOR THE MANUFACTURE OF CARBON MATERIAL FOR THE STORAGE OF ELECTRICITY OR THE PRODUCTION OF ACICULAR COKE |
JP2009117257A (ja) * | 2007-11-08 | 2009-05-28 | Nippon Oil Corp | リチウムイオン二次電池負極材料用原料油組成物及びこれを用いた原料炭組成物の製造方法 |
EP2291487A4 (en) * | 2008-06-03 | 2014-05-28 | Graftech Int Holdings Inc | NADELKOKS WITH REDUCED PUFFING FROM KOHLENTEERDESTILLAT |
EP2291487A1 (en) * | 2008-06-03 | 2011-03-09 | Graftech International Holdings Inc. | Reduced puffing needle coke from coal tar distillate |
EP2297031A4 (en) * | 2008-06-03 | 2013-11-06 | Graftech Int Holdings Inc | NADELKOKS WITH REDUCED PUFFING OF KOHLENTEER |
EP2291486A4 (en) * | 2008-06-03 | 2014-05-28 | Graftech Int Holdings Inc | REDUCED EXPANSION NEEDLE COKE OBTAINED FROM DECANTING OIL |
EP2291486A1 (en) * | 2008-06-03 | 2011-03-09 | Graftech International Holdings Inc. | Reduced puffing needle coke from decant oil |
US8828348B2 (en) | 2008-06-03 | 2014-09-09 | Graftech International Holdings Inc. | Reduced puffing needle coke from coal tar |
WO2015098754A1 (ja) * | 2013-12-24 | 2015-07-02 | Jx日鉱日石エネルギー株式会社 | 石油コークス及びその製造方法 |
JPWO2015098754A1 (ja) * | 2013-12-24 | 2017-03-23 | Jxエネルギー株式会社 | 石油コークス及びその製造方法 |
US9732278B2 (en) | 2013-12-24 | 2017-08-15 | Jx Nippon Oil & Energy Corporation | Petroleum coke and production method for same |
CN105883750A (zh) * | 2016-04-14 | 2016-08-24 | 神华集团有限责任公司 | 介孔炭及其制备方法 |
CN105905883A (zh) * | 2016-04-15 | 2016-08-31 | 神华集团有限责任公司 | 一种中间相炭微球及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1977998A4 (en) | 2012-02-29 |
EP1977998B1 (en) | 2014-04-09 |
EP2722308A1 (en) | 2014-04-23 |
EP1977998A1 (en) | 2008-10-08 |
US20090237860A1 (en) | 2009-09-24 |
EP2722307A1 (en) | 2014-04-23 |
US7964173B2 (en) | 2011-06-21 |
KR101340194B1 (ko) | 2014-01-02 |
EP2722307B1 (en) | 2022-05-18 |
KR20080084822A (ko) | 2008-09-19 |
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