WO2004018361A1 - 活性酸素を包含した無機化合物及びその製造法 - Google Patents
活性酸素を包含した無機化合物及びその製造法 Download PDFInfo
- Publication number
- WO2004018361A1 WO2004018361A1 PCT/JP2003/010497 JP0310497W WO2004018361A1 WO 2004018361 A1 WO2004018361 A1 WO 2004018361A1 JP 0310497 W JP0310497 W JP 0310497W WO 2004018361 A1 WO2004018361 A1 WO 2004018361A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- aluminosilicate
- active oxygen
- cobalt oxide
- cobalt
- Prior art date
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000001301 oxygen Substances 0.000 title claims abstract description 102
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 32
- 150000002484 inorganic compounds Chemical class 0.000 title claims description 16
- 229910010272 inorganic material Inorganic materials 0.000 title claims description 16
- 230000008569 process Effects 0.000 title abstract description 4
- 239000003054 catalyst Substances 0.000 claims abstract description 109
- 229910000323 aluminium silicate Inorganic materials 0.000 claims abstract description 69
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910000428 cobalt oxide Inorganic materials 0.000 claims abstract description 35
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 229910000213 hydrogarnet Inorganic materials 0.000 claims abstract description 20
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 7
- 239000010941 cobalt Substances 0.000 claims description 57
- 229910017052 cobalt Inorganic materials 0.000 claims description 57
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 41
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 239000002223 garnet Substances 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 20
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 13
- 239000012855 volatile organic compound Substances 0.000 claims description 11
- -1 peroxide anion Chemical class 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 45
- 239000002243 precursor Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 39
- 238000000354 decomposition reaction Methods 0.000 description 37
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 36
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 28
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 28
- 239000011575 calcium Substances 0.000 description 23
- 239000002245 particle Substances 0.000 description 17
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 16
- 238000005259 measurement Methods 0.000 description 16
- 238000006864 oxidative decomposition reaction Methods 0.000 description 16
- 239000000047 product Substances 0.000 description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 15
- 238000000465 moulding Methods 0.000 description 14
- 229930195733 hydrocarbon Natural products 0.000 description 13
- 150000002430 hydrocarbons Chemical class 0.000 description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 230000001590 oxidative effect Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 10
- 238000001069 Raman spectroscopy Methods 0.000 description 9
- 238000004868 gas analysis Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000012298 atmosphere Substances 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 238000005979 thermal decomposition reaction Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 230000002194 synthesizing effect Effects 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 229910004283 SiO 4 Inorganic materials 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000006735 epoxidation reaction Methods 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- 241001424413 Lucia Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229910001593 boehmite Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000012018 catalyst precursor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000010416 ion conductor Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000264877 Hippospongia communis Species 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 description 1
- YFARFNIESOHDHO-UHFFFAOYSA-N [Ru].[K] Chemical compound [Ru].[K] YFARFNIESOHDHO-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003642 reactive oxygen metabolite Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/16—Clays or other mineral silicates
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
- B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
- B01J29/0316—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing iron group metals, noble metals or copper
- B01J29/0333—Iron group metals or copper
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
- C01B15/043—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of alkali metals, alkaline earth metals or magnesium or beryllium or aluminium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/908—O2-storage component incorporated in the catalyst
Definitions
- the present invention relates to a method for producing an inorganic compound containing active oxygen. More specifically, the present invention includes or occludes both superoxide anion (o 2 ⁇ ) and baroxide anion (0).
- the present invention relates to a novel active oxygen expressing substance, a method for producing the same, and uses thereof. Conventionally, no inorganic compound that contains or occludes both superoxide anion and peroxide anion has been known, but the present invention provides a novel material that includes or occludes both of them. It is useful as
- the active oxygen-expressing substance of the present invention is useful, for example, as a component of an oxidation catalyst, an electrode for a solid electrolyte fuel cell, an antibacterial agent, an ionic conductor, and the like.
- the present invention also relates to a cobalt oxide-supported aluminosilicate catalyst, a method for producing the same, and a use thereof. More specifically, the present invention relates to a more active oxidation ability at a lower temperature than a conventional oxidation or combustion catalyst. The present invention relates to a new cobalt oxide-supported aluminosilicate catalyst having the following, a method for producing the same, a method for oxidatively decomposing a volatile organic compound using the catalyst, and the like.
- New aluminosilicate Ichito is present onset bright catalyst components, active oxygen (super one O Kisaido: ⁇ 2 -, Pas one Okisaido: 0 2 2 _) the be aluminosilicate gate having encapsulated zeolites like structure Oxidation reaction of hydrocarbons by active oxygen contained in the structure, for example, epoxidation. Oxidation reactions such as partial oxidation and coupling can be performed. By supporting cobalt oxide on this novel aluminosilicate, a more highly active catalyst can be obtained.
- the aluminosilicate catalyst supporting cobalt oxide of the present invention can be used in a wide range of fields such as environment, energy, and chemical industry (production process). It can be used in technical fields. Further, the molded body of the cobalt oxide-supported aluminosilicate of the present invention is useful, for example, for providing a new type of motorcycle exhaust gas purifying catalyst, a combustion exhaust gas purifying catalyst, and an oxygen storage member. Background
- active oxygen 1 2 C aO ⁇ 7 a 1 2 0 3 compound prepared is in contact follicles, o 2 - and z or o-.
- active oxygen-expressing substance conventionally, superoxide anion (o 2- ) and peroxide anion (0 2 2 _
- Cat.B8, (1996) p.155, (3) N. Watanabe, H. Yamashita, H. Miyadera and S. Tominaga, Appl. Cat.B8, (1996) p .405).
- Catalysts supporting noble metals such as P i ;, Pd, and Rh have high activity and are widely used today in automotive catalysts. Although these precious metals have high catalytic activity, they are valuable, costly, and used in large quantities, so they are recovered and reused.
- a first aspect of the present invention strong super having oxidizing power O wherein the door two ON (o 2 -) and Pas one Okisaidoa two ON ( ⁇ 2 2 -) both the inclusion Oh Rui novel active oxygen expression of occluding the It is an object of the present invention to provide a substance and a method for producing the active oxygen expressing substance. '
- the present invention is, o 2 2 - a to shall aims to provide a novel active oxygen expression substance characterized in that it comprises or occluded active oxygen in the structure of the material and the like.
- the present invention also ⁇ 2 in the structure - (superoxide ⁇ anion) ⁇ beauty ⁇ 2 2 - to provide aluminosilicate one bets are novel active oxygen expression substance to cover or occlude (Pas one oxide ⁇ anion) It is for the purpose of.
- the present invention provides a molded product of an aluminosilicate which is a novel active oxygen-expressing substance, and provides members such as a catalyst for purifying exhaust gas of a motorcycle or the like, a solid electrolyte for a secondary battery, and an oxygen storage carrier.
- a catalyst for purifying exhaust gas of a motorcycle or the like a solid electrolyte for a secondary battery, and an oxygen storage carrier.
- the present inventors conducted detailed research on hydrogas nets in the course of advancing intensive research with the aim of developing a more highly active catalyst. It was found that when heated to a low temperature, it changed to an aluminosilicate, and the aluminosilicate contained or absorbed active oxygen such as peroxide anion-peroxide anion in the structure.
- the active oxygen remains in the structure at room temperature and can move at temperatures above 400 ° C. That is, active oxygen present in the structure jumps out of the structure, causing a chemical reaction such as an oxidation reaction.
- the present inventors have found that after active oxygen has been transferred, oxygen in the air is taken into the structure and regenerated, active oxygen is continuously supplied, and active oxygen has a strong oxidizing power. It is very effective for oxidative decomposition and combustion of volatile organic compounds, etc., and low temperature is achieved by loading cobalt oxide, which is conventionally known as an oxidation catalyst, on an aluminosilicate that expresses active oxygen.
- cobalt oxide which is conventionally known as an oxidation catalyst
- a second aspect of the present invention is to develop and provide a catalyst having higher activity than a conventional oxidation or combustion catalyst, and to provide a method for producing the catalyst. Further, another object of the present invention is to provide a catalyst for purifying an exhaust gas of a motorcycle or the like, a catalyst for purifying a combustion exhaust gas, an oxygen storage member, and the like, using a molded body of aluminosilicate supporting cobalt oxide.
- the method for producing a novel active oxygen-producing substance of the present invention does not require control of the oxygen partial pressure or the water vapor partial pressure, and the heating temperature may be relatively low, such as 100 ° C. or less. Less than An example of the production will be described below.
- the method for producing the novel active oxygen-expressing substance of the present invention is not limited to the following method.
- the active oxygen-expressing substance of the present invention is produced by using a garnet at a hide opening as a precursor and heating it at 700 ° C. or higher in an electric furnace or the like under an air atmosphere.
- the chemical composition of the hydrated garnet used as a precursor is C aa A 1 2 (S i 0 4 ) 3- ⁇ ( ⁇ H) 4Y , and the Y value is in the range of 0 ⁇ Y ⁇ 3 It is characterized by.
- the chemical composition of the aluminosilicate one bets with novel active oxygen expression function is denoted as C a 12 (A 1. X S i x) O 33 + 0. 5X, the value of X is the range of 0 ⁇ X ⁇ 4 Take.
- X 4
- the chemical composition is Ca 12 (A 1 10 S i 4 ) O 35
- the precursor the composition of the garnet are C a 3 a 1 2 (S i 0 4) 0. 8 (OH) u
- a calcium source, an alumina source and a silica source are first mixed according to the composition of the hydrated garnet, that is, the composition of the desired hydrated garnet of the Y value, and excess water is added thereto. Prepare the mixture obtained.
- slaked lime, quicklime, calcium carbonate, gypsum, etc. are used as the source of calcite, kaolin, alumina sol, boehmite, aluminum hydroxide, aluminum oxide, etc. are used as the alumina source, and kaolin, silica, amorphous are used as the silica source.
- Silica, diatomaceous earth, gay sand, quartz and the like can be used.
- Hydrogarnet is synthesized by subjecting the prepared mixture to hydrothermal treatment in a autoclave at a temperature of 100 ° C to 200 for 5 hours or more. If the temperature is lower than 100 ° C, the reaction does not proceed sufficiently, whereas if it is higher than 200 ° C, excess heat energy is consumed.
- the heating time may be shorter than 5 hours, but 5 hours or more is preferable to obtain a hydrated garnet having good crystallinity.
- aluminosilicate which is a novel active oxygen-expressing substance, can be obtained by heating the hydrogas at 700 ° C. to 1,200 ° C. in an air atmosphere. Heating at a temperature lower than 700 ° C is not preferable because thermal decomposition is insufficient. Heating may be performed at a higher temperature, but it is necessary to keep the temperature at 1200 ° C or lower because extra heat energy is consumed.
- a 8 (OH) 8. 8 (Y 2. 2), the thermal decomposition at the 700 ° C is Ru shown below.
- C a 12 A 1 12 S i 2 0 34 + 6 C a 0 + 32 H 2 O C a 12 A 1 I0 S i 4 0 35 , C a I2 A 1 12 S i 20 obtained by the above reaction formula 34 and the like are examples of aluminosilicate which is a novel active oxygen-expressing substance of the present invention.
- the novel active oxygen-expressing substance of the present invention is obtained in the range of 0 ⁇ X ⁇ 4, and is generated by thermal decomposition of a precursor, hydrogel net.
- quicklime (Ca ⁇ ) is mixed as a by-product, but quicklime contributes to the expression and inclusion of active oxygen. do not do. CaO can be easily removed by dissolving it with a dilute acid such as hydrochloric acid or nitric acid.
- the thermal decomposition product of the above-mentioned hide-port garnet that is, alumino silicate, which is a new active oxygen generating substance, converts active oxygen such as superoxide anion (o 2 ⁇ ) and / or peroxide anion ( ⁇ 2 ⁇ ).
- active oxygen such as superoxide anion (o 2 ⁇ ) and / or peroxide anion ( ⁇ 2 ⁇ ).
- ESR measurement and Raman spectroscopy As an example, to describe the results of C a 12 A 1 1 () S i 4 0 35 ESR and Raman spectroscopic measurements at room temperature shown in the examples described below, first, shows the ESR measurement results in FIG. The spectrum expressed at 2.049 mT indicates the presence of superoxide anion.
- Figure 2 shows the results of Raman spectroscopy measurements at room temperature.
- the presence of superoxide anion is confirmed from the peak at 1705 cm- 1 . 1 and C a 12 A 1 10 S i 4 ⁇ 35
- none of the results of Figure 2 is representative that encompasses or occluded super one O Kisaidoa two on the structure.
- Raman spectroscopic measurements of a clear peak one click is 1 07 5 cm- 1 in addition to 8 5 3 cm- 1.
- the former corresponds to the peak derived from superoxide anion
- the latter corresponds to the peak derived from peroxide.
- the above results conclude that the novel active oxygen expressing substance of the present invention contains or occludes superoxide anion and peroxide anion in the structure.
- the structure, (A 1, S i) ⁇ 4 tetrahedra has a Zeoraito like structures formed in framework-like, the frame voids in the work 0 (approximately 4 A degree of space) in the active oxygen 2 -And ⁇ 2 2 — exist.
- the active oxygen contained or absorbed by the aluminosilicate, which is a novel active oxygen-expressing substance of the present invention, has a strong oxidizing power.
- the active oxygen contained or stored by the novel active oxygen-expressing substance of the present invention can move at a temperature of 400 ° C. or higher.
- new active oxygen expression material has a 4 0 0 ⁇ 6 0 0 ° C low temperature volatile organic compound completely oxidized decomposing capability to the (V_ ⁇ _C s) into C 0 2 or H 2 ⁇ .
- the active oxygen expressing substance of the present invention can be used as an active ingredient of an oxidation catalyst.
- the novel active oxygen expressing substance of the present invention having the above features can be obtained as a powder in the production method.
- many conveniences and new functions are expected in the use as a molded body.
- Molded body The shape is determined according to the purpose of use, and a molding method used in the production of a ceramic molded body can be used.
- the shape of the molded body includes, for example, granules, flat plates, columns, cylindrical tubes, hollow fibers, monoliths, and non-cams, and the molding methods include molding, press molding, dry CIP molding, injection molding, and the like. Sheet molding or the like can be used.
- the compact In addition to the shape, the compact is required to be dense or porous, and it is natural that the molding is performed in consideration of these factors.
- the oxidation catalyst function of a pellet-shaped and a plate-shaped sample among various molded bodies will be described.
- Fig. 5 shows an outline of a measuring device for examining the oxidation catalyst performance of the product of the present invention.
- the apparatus is composed of a gas supply section (1), a heating section (2), and a gas analysis section (3).
- the gas supply section supplies air or oxygen of hydrocarbons and a combustion aid to be subjected to oxidative decomposition, and a heating section.
- the reaction tube is changed according to the shape of the sample, and an example of the outline is shown in Fig. 6.
- For powder, pellet and granular samples (4) fill the center of a silica glass reaction tube (5) and fix both ends with rock wool (6).
- For the flat sample (7) hold both ends of the flat plate with a silica glass tube (8) via a sealant, and fix the flat sample by attaching a silica glass tube to the flat sample.
- Powdered product of the present invention C a 12 (A 1 14. X S i x ) 0 33 + o. 5X (0 ⁇ X ⁇ 4) mixed with conductive material and binder, paste-like mixture was prepared and applied to the surface of an aluminum foil current collector to form an electrode.
- the conductive material is for ensuring electrical conductivity, and for example, one or a mixture of two or more of carbon black, acetylene black, and graphite can be used.
- the binder is used to bind the powdered product of the present invention and the conductive material particles.
- Teflon registered trademark
- polytetrafluoroethylene polyvinylidene fluoride
- fluorine rubber fluorine rubber
- the electrode coated with the product of the present invention is opposed to lithium metal through a separator (non-woven cloth).
- a voltage of up to 4.5 V is applied between the electrode and the lithium metal.
- the present invention active oxygen (super one Okisaido: 0 2 -, Pas one Okisaido: 0 2 2 ”) the aluminosilicate has a encapsulated Zeoraito like structures - DOO, i.e., according to the new active oxygen expressed substance and a molded article thereof
- a hydrocarbon oxidation reaction for example, epoxidation, complete oxidation, partial oxidation, or coupling
- active oxygen contained or absorbed in the structure and the novel active oxygen of the present invention is obtained.
- the expressed substance is used in a wide range of fields such as the environment, energy, and the chemical industry (manufacturing process).
- the molded article of the inorganic compound of the present invention can be used for, for example, a catalyst for purifying exhaust gas of a motorcycle, This has the effect of being useful as a solid electrolyte, an oxygen storage carrier, etc.
- a catalyst for purifying exhaust gas of a motorcycle This has the effect of being useful as a solid electrolyte, an oxygen storage carrier, etc.
- the novel catalyst of the present invention uses an aluminosilicate as a carrier, for example, It can be manufactured by supporting fine particles of cobalt oxide on the surface of aluminosilicate by a holding method.
- the above aluminosilicate Ichito is, C a 12 (A 1 14 _ X S i x) O. It has a composition formula of 5X , and the X value in the composition formula is in the range of 0 ⁇ X ⁇ 4.
- the supporting method is, for example, immersing aluminosilicate in an aqueous solution of cobalt nitrate and evaporating it to dryness. When the obtained powdery substance is heated at 600 ° C.
- the cobalt nitrate supported on the surface of the aluminosilicate is decomposed and changed into cobalt oxide, and a cobalt oxide-supported aluminosilicate catalyst is completed.
- the cobalt oxide can be replaced with another metal oxide such as, for example, nigel oxide or iron oxide.
- novel catalyst of the present invention can be obtained by synthesizing a cobalt-containing hydrogarnet as a precursor by a hydrothermal method and heating it at a temperature of 300 ° C. or more, and its chemical composition is (C a 3 _ Y C o Y ) A 1 2 (S i 0 4 ) z
- the novel catalyst of the present invention is characterized in that the Y value in the composition formula is in the range of 0 ⁇ Y ⁇ 0.10 and the ⁇ value is in the range of 0 ⁇ 2.2. Further, the novel catalyst of the present invention can be used as an oxidation catalyst and the like.
- Cobalt oxide supported aluminosilicate Ichito catalysts of the present invention is to synthesize cobalt-containing Haidoroga one net obtained by replacing part of the C a 2+ ions which are constituent elements of the previously hydro moth one net C o 2+ ions, it It is manufactured by thermal decomposition.
- Hyde port garnet has a garnet structure. And whose composition formula is represented by C a 3 A 1 2 (S i 0 4) 3- ⁇ ( ⁇ _Ita) 4Upushiron.
- the ⁇ value in the composition formula takes any value of 0 ⁇ 3.
- a method for synthesizing a cobalt-containing hydrogarnet which is a precursor of a cobalt oxide-supported alumina silicate catalyst, is as follows. First, a cobalt source, a potassium ruthenium source, an alumina source, and a silica source are used in the composition of the hydrogarnet; Mix according to the composition of the X- and Y-valued cobalt-containing hydrogarnet, and prepare a mixture by adding excess water to it.
- cobalt hydroxide, cobalt oxide, etc. are used for the cobalt source
- slaked lime, quick lime, calcium carbonate, gypsum, etc. for the calcium hydroxide source
- kaolin, alumina sol, boehmite, aluminum hydroxide, aluminum oxide, etc. are used for the alumina source.
- silica source kaolin, silica, amorphous silica, diatomaceous earth, ky sand, quartz and the like can be used. But this The invention is not limited to these, and the same can be used as long as it has the same effect.
- the prepared mixture is subjected to hydrothermal treatment in an autoclave at a temperature of 100 ° C. to 200 ° C. for 5 hours or more to synthesize a cobalt-containing hydrogarnet. If the temperature is lower than 100 ° C., the reaction does not proceed sufficiently.On the other hand, if the temperature is higher than 200 ° C., excess heat energy is consumed. Therefore, 100 to 200 ° C. is preferable. .
- the heating time may be shorter than 5 hours, but is preferably 5 hours or more in order to obtain a cobalt-containing hydrogarnet having good crystallinity.
- a cobalt oxide-supported aluminosilicate catalyst in which cobalt oxide is highly dispersed by heating the cobalt-containing hydret garnet in an air atmosphere at a temperature range of 300 ° C. or more and 1000 ° C. or less. Can be manufactured. When heated at a temperature lower than 300 ° C., the decomposition of the cobalt-containing hydrogarnet is not sufficient, and the heating may be performed at a temperature higher than 100 ° C., but this is not necessary from the viewpoint of energy saving.
- the ion used for substitution is not limited to cobalt, and other ions can be used as long as they can be substituted. It is well known that a metal ion is substituted in a crystal structure, and a high-performance catalyst in which catalyst particles are highly dispersed by thermal decomposition can be synthesized.
- the method for producing such a catalyst is a technology that has been demonstrated using layered double hydroxide (LDH) as a catalyst precursor (for example, F. Cavani, F. Trifiro and A. Vaccari, Catal. Today) , Vol.11 (1991) p.173, B. Chen and JL Falconer, J. Catal., Vol.144 (1993) p.214, S. Velu, R.
- LDH layered double hydroxide
- FIG. 8 shows the results of XRD measurement of the cobalt-containing hydrogarnet synthesized by the above method with the 0 / ⁇ & ratio varied from 0 to 0.0714.
- Cobalt-containing Hyde port garnet [(Ga 3 _ x Go x ) AI 2 (Si0 4). 8 (OH) 8 8:. . 0 ⁇ X ⁇ 0 10 lattice constant of]
- the products produced by heating at 350 ° C or higher were aluminosilicate hydroxide, quicklime and cobalt oxide. When heated above 70 Ot, the aluminosilicate hydroxide was further dehydrated to become anhydrous aluminosilicate (Ca 12 A 1 1 Q Si 4 ⁇ 35 ).
- Table 2 shows the specific surface area and the particle size of cobalt oxide after heating at 00 ° C.
- Increasing the particle size of cobalt oxide is not preferable because it leads to a decrease in the degree of dispersion, that is, a decrease in catalytic activity. Therefore, cobalt oxide having a particle size as small as possible is required.
- CoZCa ratio is different from 0.0169,0.0238, 0.0344, 0.0714 Specific surface area and cobalt oxide particle diameter of four types of cobalt-containing hydrogarnet after heating at 400 ° C
- the specific surface area was almost the same as 5.7 and 6.5 m 2 g after heating at 350 and 400, but it became smaller after heating above 450 ° C.
- the cobalt oxide particle size was almost the same as 260 and 275 A after heating at 350 and 400, but it gradually increased from 447 A after heating at 450 ° C or more.
- the reactor used is a small-bed, normal-pressure, fixed-flow reactor, with a catalyst particle size of 300 to 500 ⁇ m, a reaction temperature of room temperature to 500 ° C, and a reaction gas of 3 propylene, benzene, and toluene.
- reaction gas concentration 1 000 ppm
- flowing gas air
- gas flow rate 100 ml / min
- space velocity 10000 h—gas analysis-gas chromatography (filler: Porapak P, 5 A mo lsieve, activated carbon, power ram: 2mX 3).
- the catalyst not substituted by Co that is, the catalytic activity of aluminosilicate
- the decomposition rate was zero even at the reaction temperature of 32 ° C.
- the decomposition rate was 2% at 400 ° C.
- propylene was burned for the first time by heating to 600 ° C or more. The above results show that the combustion temperature can be reduced by using aluminosilicate as a catalyst, and the catalytic activity of aluminosilicate is reduced by replacing a part of Ca with Co.
- the present invention means that the temperature is improved by about 100 ° C., and the present invention makes it possible to realize a further lower temperature of these oxidative decomposition reactions.
- the catalyst of the present invention is useful as an oxidation catalyst for oxidatively decomposing an object to be treated such as a volatile organic compound or a hydrocarbon.
- the cobalt oxide-supported aluminosilicate catalyst having the above features can be obtained as a powder in the production method.
- the use as a molded body is expected to have many conveniences and to exhibit new functions.
- the shape of the molded article is determined according to the purpose of use, and the molding method can be performed by a method used in the production of ceramic molded articles.
- the shape of the molded body includes, for example, pellets, granules, flat plates, columns, cylindrical tubes, hollow fibers, monoliths, honeycombs, and the like.
- the molding methods include embedding molding, pressure molding, dry CIP molding, and injection molding. , Sheet molding and the like can be used.
- the compact is required to be dense or porous, and it is natural that the molding is performed in consideration of these factors.
- Fig. 12 shows an outline of an example of a measuring device for examining the oxidation catalyst performance of the product of the present invention.
- the device is composed of a gas supply section (1), a heating section (2), and a gas analysis section (3).
- the gas supply section supplies air or oxygen of hydrocarbons and combustion aids for oxidative decomposition and heats
- the unit heats the reaction tube filled with the sample to a predetermined temperature, and the gas analysis unit analyzes the composition of the supply gas that has passed through the sample.
- the reaction tube is changed according to the shape of the sample, and a schematic example is shown in Fig.13.
- For the flat sample (7) hold both ends of the flat plate with a silica glass tube (8) via a sealant, and fix the flat sample by attaching the silica glass tube to the flat sample.
- the present invention relates to an aluminosilicate catalyst supported on cobalt oxide and a method for producing the same.
- Figure 1 shows the C a 12 A l 1 () ESR measurements at room temperature of the S i 4 0 35.
- Figure 2 shows the Raman spectroscopic measurements at room temperature of the C a 12 A l 1Q S i 4 ⁇ 35.
- Figure 3 shows the crystal structure of C a 12 A 1 1D S i 4 ⁇ 35.
- FIG. 1 shows a schematic diagram of a measuring device for examining.
- FIG. 6 shows a schematic diagram of the shape of the reaction tube.
- Figure 7 shows the C a 12 A 1 10 S i 4 0 35 Raman spectroscopy measurements of the following propylene degradation experiments in a nitrogen atmosphere.
- FIG. 8 shows the XRD measurement results of the cobalt-containing hydrogarnet synthesized while changing the CoZCa ratio from 0 to 0.0714.
- Fig. 9 shows the relationship between the lattice constant and the CoZCa ratio of the cobalt-containing hydrogarnet synthesized by changing the (: 0 & ratio from 0 to 0.0714.
- Fig. 10 shows the aluminosilicate supported on cobalt oxide. It shows the relationship among the decomposition rate, specific surface area ( ⁇ ), and CoZCa ratio of each reaction gas of propylene ( ⁇ ), benzene (translation), and toluene ( ⁇ ) at a reaction temperature of 300 ° C using a catalyst.
- Figure 1 1 is, (C a 2. 9 C ) A 1 2 (S I_ ⁇ 4). 8 (OH) 8 .
- Figure 8 shows the results of oxidative decomposition of propylene by using 8 as a catalyst and changing the reaction temperature.
- FIG. 12 shows a schematic diagram of a measurement device for examining the oxidation catalyst performance.
- FIG. 13 shows a schematic diagram of the shape of the reaction tube.
- Figure 8 shows the results of oxidative decomposition of benzene at different reaction temperatures using 8 as the catalyst.
- Example 1 (The content of the A 1 2 ⁇ 3; 20) of alumina sol as a force Lucia source slaked 0. 7 7 g, as the alumina source 1. Weigh 8 g, amorphous silica 0. 2 1 g as the silica source, the total A mixture (suspension) was prepared by adding water to a volume of 14.6 ml. The suspension was placed in a 25 ml autoclave and heated at 200 ° C. for 15 hours with stirring at 25 rpm. Then, it is allowed to cool to room temperature, filtered and dried to obtain C a 3 A 1 2
- Example 7 shows the results of Raman spectroscopy of active oxygen in C a 12 A 11 Q Si 4 ⁇ 35 obtained after decomposition of propylene in a nitrogen atmosphere at each reaction time. Active oxygen in structure decreases with propylene combustion . Furthermore, the C a 12 A 1 10 S i 4 0 35 lost active oxygen, active oxygen has been confirmed to be reproduced in the structure by exposure to air at 4 0 0 or more. It was shown that the active oxygen in the lattice consumed by the oxidation reaction again takes in oxygen from the air, is regenerated as active oxygen, and can continue to burn propylene.
- Example 5 Example 5
- the sample temperature was set to the desired temperature of 200-700 ° C.
- a mixed gas of air and propylene was introduced into the reaction tube at a flow rate of 3 Om 1 Zmin.
- the propylene concentration was 500 ppm.
- the outlet gas of the reaction tube was introduced into gas chromatography, and gas analysis was performed. No decomposition of propylene was observed at 200 to 375 ° C, and a decomposition rate of 3% was observed at 400 ° C.
- Example 7 C a I2 A 1 10 S i 4 0 2 5 parts by weight of Ketsuchienpura click 35 70 parts by weight of a conductive material, Teflon (registered trademark) were mixed 5 parts by weight as a binder, and the mixture material was prepared.
- the mixture was pressed into the surface of a 22-m-thick aluminum foil current collector to produce a sheet with a thickness of 50 / zm, and then this sheet was punched out into a 15-mm diameter disc.
- a lithium metal having a thickness of 0.1 mm and a diameter of 15 mm was opposed to the electrode, and a nonwoven fabric having a thickness of 100 m was provided as a separator between the electrode and the lithium metal.
- the mixed solution obtained by dissolving in a solvent at.
- Fig. 11 shows the results of oxidative decomposition of propylene using a cobalt oxide-supported aluminosilicate catalyst and changing the reaction temperature.
- the catalytic reaction experiment was performed as follows.
- Reaction temperature Figure 15 shows the results of oxidative decomposition of toluene.
- the reaction temperature was 0% at 225 ° C and 25% at 250 ° C.
- the decomposition rate increased with increasing temperature, reaching 100% at 325 ° C. .
- the products after decomposition were CO 2 and benzene. Although H 2 O is produced, it has not been analyzed.
- the present invention is, active oxygen (Super O key side: O 2 -, Pas one Okisaido: 0 2 2 _) the aluminosilicate one bets with encapsulated Zeoraito like structures, i.e., new active oxygen
- the present invention relates to an expressed substance and a molded article thereof, and a hydrocarbon oxidation reaction (for example, epoxidation, complete oxidation, partial oxidation, coupling) is caused by active oxygen contained or absorbed in the structure, and the novel activity of the present invention.
- Oxygen-expressing substances are used in a wide range of fields, such as the environment, energy, and the chemical industry (manufacturing process).
- the molded product of the inorganic compound of the present invention is useful, for example, as a catalyst for purifying exhaust gas of a motorcycle, a solid electrolyte of a secondary battery, and an oxygen storage carrier.
- the present invention relates to a cobalt oxide-supported aluminosilicate catalyst and a method for producing the same.
- a catalyst having higher activity than conventional oxidation or combustion catalysts Due to the action of active oxygen contained or stored in the structure of the aluminosilicate, it is possible to exhibit a higher oxidizing ability at a lower temperature than conventional catalysts.
- An aluminosilicate catalyst supporting cobalt oxide can be produced by a simple process under a low temperature condition of not less than 300 ° C. and not more than 1000 ° C. It is useful as a method for oxidatively decomposing volatile organic compounds.
Abstract
Description
Claims
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EP03792734A EP1544169A4 (en) | 2002-08-21 | 2003-08-20 | ACTIVE OXYGEN CONTAINING INORGANIC COMPOUND AND MANUFACTURING METHOD DAF R |
US10/524,833 US7514384B2 (en) | 2002-08-21 | 2003-08-20 | Inorganic compound containing active oxygen and process for producing the same |
AU2003257608A AU2003257608A1 (en) | 2002-08-21 | 2003-08-20 | Inorganic compound containing active oxygen and process for producing the same |
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PCT/JP2003/010497 WO2004018361A1 (ja) | 2002-08-21 | 2003-08-20 | 活性酸素を包含した無機化合物及びその製造法 |
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Country | Link |
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US (1) | US7514384B2 (ja) |
EP (1) | EP1544169A4 (ja) |
AU (1) | AU2003257608A1 (ja) |
WO (1) | WO2004018361A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007083126A (ja) * | 2005-09-20 | 2007-04-05 | Hirosaki Univ | 酸素貯蔵物質および自動車排ガス浄化用三元触媒における酸素貯蔵方法 |
CN103118972A (zh) * | 2010-06-16 | 2013-05-22 | 原子能和替代能源委员会 | 纳米粒子在过氧自由基的长期“干燥”储存中的应用 |
JP2020176025A (ja) * | 2019-04-17 | 2020-10-29 | デンカ株式会社 | カルシウムアルミノシリケート、及び、水硬性組成物 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2056328A1 (en) * | 2006-08-21 | 2009-05-06 | Asahi Glass Company, Limited | Plasma display panel and method for fabricating the same |
JP2012243473A (ja) * | 2011-05-17 | 2012-12-10 | Toyota Motor Corp | 電極の製造方法 |
JP5655769B2 (ja) | 2011-12-09 | 2015-01-21 | トヨタ自動車株式会社 | 電極の製造方法 |
KR102574042B1 (ko) * | 2021-09-30 | 2023-09-07 | 한국전력공사 | 산소전달입자 제조용 원료 조성물, 이를 이용하여 제조된 산소전달입자 및 산소전달입자 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001058814A (ja) * | 1999-08-24 | 2001-03-06 | Koon Sansei Gas Koteika Gijutsu Kenkyu Kumiai | ハイドロガーネットの製造法及びハイドロガーネットによる高温酸性排ガスの除去法 |
JP2002200190A (ja) * | 2000-12-28 | 2002-07-16 | National Institute Of Advanced Industrial & Technology | 炭化水素及びハロゲン含有有機物燃焼分解除去剤 |
Family Cites Families (1)
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JP3531868B2 (ja) | 2000-04-18 | 2004-05-31 | 独立行政法人 科学技術振興機構 | 活性酸素種を包接する12CaO・7Al2O3化合物およびその製造方法 |
-
2003
- 2003-08-20 AU AU2003257608A patent/AU2003257608A1/en not_active Abandoned
- 2003-08-20 EP EP03792734A patent/EP1544169A4/en not_active Withdrawn
- 2003-08-20 US US10/524,833 patent/US7514384B2/en not_active Expired - Fee Related
- 2003-08-20 WO PCT/JP2003/010497 patent/WO2004018361A1/ja active Application Filing
Patent Citations (2)
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JP2001058814A (ja) * | 1999-08-24 | 2001-03-06 | Koon Sansei Gas Koteika Gijutsu Kenkyu Kumiai | ハイドロガーネットの製造法及びハイドロガーネットによる高温酸性排ガスの除去法 |
JP2002200190A (ja) * | 2000-12-28 | 2002-07-16 | National Institute Of Advanced Industrial & Technology | 炭化水素及びハロゲン含有有機物燃焼分解除去剤 |
Non-Patent Citations (3)
Title |
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SATORU FUJITA: "Hydrogarnet ni yoru VOC gas bunkai kassei", DAI 31 KAI SEKIYU-SEKIYU KAGAKU TORONKAI KOEN YOSHI, 2001, pages 231, XP002975113 * |
SATORU FUJITA: "Hydrogrossular o mochiita VOC bunkai kassei (second report)", DAI 88 KAI SHOKUBAI TORONKAI TORONKAI A YOKOSHU, 2001, pages 83, XP002975114 * |
See also references of EP1544169A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007083126A (ja) * | 2005-09-20 | 2007-04-05 | Hirosaki Univ | 酸素貯蔵物質および自動車排ガス浄化用三元触媒における酸素貯蔵方法 |
CN103118972A (zh) * | 2010-06-16 | 2013-05-22 | 原子能和替代能源委员会 | 纳米粒子在过氧自由基的长期“干燥”储存中的应用 |
JP2020176025A (ja) * | 2019-04-17 | 2020-10-29 | デンカ株式会社 | カルシウムアルミノシリケート、及び、水硬性組成物 |
JP7141361B2 (ja) | 2019-04-17 | 2022-09-22 | デンカ株式会社 | カルシウムアルミノシリケート、及び、水硬性組成物 |
Also Published As
Publication number | Publication date |
---|---|
EP1544169A4 (en) | 2010-02-24 |
EP1544169A1 (en) | 2005-06-22 |
US7514384B2 (en) | 2009-04-07 |
US20060045834A1 (en) | 2006-03-02 |
AU2003257608A1 (en) | 2004-03-11 |
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