CN1194625A - 具有氧吸收释放能的复合氧化物及其制造方法 - Google Patents
具有氧吸收释放能的复合氧化物及其制造方法 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 151
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000001301 oxygen Substances 0.000 title claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 92
- -1 cerium ions Chemical class 0.000 claims abstract description 60
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 150000003839 salts Chemical class 0.000 claims abstract description 48
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 43
- 239000012298 atmosphere Substances 0.000 claims abstract description 42
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 41
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 230000002829 reductive effect Effects 0.000 claims abstract description 33
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 66
- 230000009467 reduction Effects 0.000 claims description 48
- 230000003647 oxidation Effects 0.000 claims description 42
- 238000007254 oxidation reaction Methods 0.000 claims description 42
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- 239000003795 chemical substances by application Substances 0.000 claims description 22
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 12
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910001422 barium ion Inorganic materials 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910001423 beryllium ion Inorganic materials 0.000 claims description 2
- PWOSZCQLSAMRQW-UHFFFAOYSA-N beryllium(2+) Chemical compound [Be+2] PWOSZCQLSAMRQW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910001424 calcium ion Inorganic materials 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 239000002817 coal dust Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910001453 nickel ion Inorganic materials 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 229910001427 strontium ion Inorganic materials 0.000 claims description 2
- PWYYWQHXAPXYMF-UHFFFAOYSA-N strontium(2+) Chemical compound [Sr+2] PWYYWQHXAPXYMF-UHFFFAOYSA-N 0.000 claims description 2
- 239000011269 tar Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 17
- 238000000975 co-precipitation Methods 0.000 abstract description 4
- 239000002244 precipitate Substances 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 53
- 239000007864 aqueous solution Substances 0.000 description 33
- 230000000052 comparative effect Effects 0.000 description 23
- 238000001556 precipitation Methods 0.000 description 21
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 19
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 229910052799 carbon Inorganic materials 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 125000004429 atom Chemical group 0.000 description 14
- 239000007789 gas Substances 0.000 description 14
- 239000004615 ingredient Substances 0.000 description 14
- 229910000420 cerium oxide Inorganic materials 0.000 description 12
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 12
- 150000002823 nitrates Chemical class 0.000 description 11
- 239000012267 brine Substances 0.000 description 10
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 8
- TZNXTUDMYCRCAP-UHFFFAOYSA-N hafnium(4+);tetranitrate Chemical compound [Hf+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O TZNXTUDMYCRCAP-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 150000000703 Cerium Chemical class 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 241000588731 Hafnia Species 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 150000001785 cerium compounds Chemical class 0.000 description 4
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000010908 decantation Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- ZSBXGIUJOOQZMP-JLNYLFASSA-N Matrine Chemical compound C1CC[C@H]2CN3C(=O)CCC[C@@H]3[C@@H]3[C@H]2N1CCC3 ZSBXGIUJOOQZMP-JLNYLFASSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- 238000007921 solubility assay Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 101100493820 Caenorhabditis elegans best-1 gene Proteins 0.000 description 1
- 101100004280 Caenorhabditis elegans best-2 gene Proteins 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- CZMAIROVPAYCMU-UHFFFAOYSA-N lanthanum(3+) Chemical compound [La+3] CZMAIROVPAYCMU-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 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
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- 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
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G27/00—Compounds of hafnium
- C01G27/006—Compounds containing, besides hafnium, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
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- Materials Engineering (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
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Abstract
Description
对于复合氧化物中Ce,Zr,Hf总计量的各金属含有比率(原子%) | 在复合氧化物中所含金属中Ce,Zr,Hf含有比率(重量%) | 对于复合氧化物中金属含有量除Ce,Zr,Hf以外的金属含有比率(重量%) | |||||
Ce | Zr | Hf | La | Ca | Nd | ||
实施例1 | 48.94 | 50.43 | 0.63 | 100 | - | - | - |
实施例2 | 31.16 | 68.17 | 0.67 | 100 | - | - | - |
实施例3 | 57.40 | 42.25 | 0.35 | 100 | - | - | - |
实施例4 | 47.06 | 52.31 | 0.63 | 100 | - | - | - |
实施例5 | 48.77 | 50.60 | 0.63 | 99.04 | 0.96 | - | - |
实施例6 | 48.08 | 51.29 | 0.63 | 98.10 | - | 1.90 | - |
实施例7 | 49.08 | 50.32 | 0.60 | 97.90 | - | - | 2.10 |
实施例8 | 48.90 | 50.47 | 0 63 | 100 | - | - | - |
实施例9 | 49.84 | 49.81 | 0.35 | 100 | - | - | - |
实施例10 | 49.73 | 49.92 | 0.35 | 100 | - | - | - |
比较例1 | 48.94 | 50.43 | 0.63 | 100 | - | - | - |
比较例2 | 31.16 | 68.17 | 0.67 | 100 | - | - | - |
比较例3 | 48.77 | 50.60 | 0.63 | 99.04 | 0.96 | - | - |
比较例4 | 48.94 | 50.43 | 0.63 | 100 | - | - | - |
比较例5 | 48.94 | 50.43 | 0.63 | 100 | - | - | - |
原料中Ce4+含有率(%) | 固溶度(%) | 还元率(%) | 氧释放能 | ||
O2mmol/mol(CeO2) | O2μmol/g | ||||
实施例1 | 99 | 76 | 98 | 244 | 810 |
实施例2 | 98 | 83 | 99 | 270 | 605 |
实施例3 | 99 | 75 | 90 | 224 | 850 |
实施例4 | 98 | 71 | 91 | 228 | 730 |
实施例5 | 92 | 76 | 92 | 228 | 745 |
实施例6 | 91 | 76 | 95 | 237 | 760 |
实施例7 | 88 | 76 | 91 | 228 | 740 |
实施例8 | 99 | 76 | 98 | 245 | 810 |
实施例9 | 99 | 76 | 97 | 242 | 815 |
实施例10 | 98 | 71 | 99 | 242 | 815 |
比较例1 | 0 | 12 | 27 | 68 | 225 |
比较例2 | 0 | 15 | 42 | 114 | 256 |
比较例3 | 0 | 18 | 28 | 72 | 235 |
比较例4 | 0 | 58 | 62 | 157 | 521 |
比较例5 | 80 | 52 | 59 | 148 | 489 |
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08375396A JP4094689B2 (ja) | 1996-04-05 | 1996-04-05 | 酸素吸収放出能を有する複合酸化物の製造法 |
JP83753/96 | 1996-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1194625A true CN1194625A (zh) | 1998-09-30 |
CN1085624C CN1085624C (zh) | 2002-05-29 |
Family
ID=13811308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN97190603A Expired - Lifetime CN1085624C (zh) | 1996-04-05 | 1997-04-04 | 具有氧吸收释放能的复合氧化物及其制造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5945370A (zh) |
EP (1) | EP0842900B1 (zh) |
JP (1) | JP4094689B2 (zh) |
KR (1) | KR100272414B1 (zh) |
CN (1) | CN1085624C (zh) |
DE (1) | DE69727192T2 (zh) |
WO (1) | WO1997037933A1 (zh) |
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EP0767141B1 (en) * | 1995-03-15 | 2003-08-13 | Hoya Corporation | Process for preparing precipitate of metal oxide |
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1996
- 1996-04-05 JP JP08375396A patent/JP4094689B2/ja not_active Expired - Lifetime
-
1997
- 1997-04-04 KR KR1019970708902A patent/KR100272414B1/ko not_active IP Right Cessation
- 1997-04-04 DE DE69727192T patent/DE69727192T2/de not_active Expired - Lifetime
- 1997-04-04 CN CN97190603A patent/CN1085624C/zh not_active Expired - Lifetime
- 1997-04-04 EP EP97914612A patent/EP0842900B1/en not_active Expired - Lifetime
- 1997-04-04 US US08/973,515 patent/US5945370A/en not_active Expired - Lifetime
- 1997-04-04 WO PCT/JP1997/001173 patent/WO1997037933A1/ja active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100387522C (zh) * | 2005-07-27 | 2008-05-14 | 浙江师范大学 | 高储氧纳米铈基复合氧化物材料的制备工艺 |
CN103460476A (zh) * | 2011-04-01 | 2013-12-18 | Toto株式会社 | 铈系复合氧化物的制造方法、固体氧化物型燃料电池单电池及燃料电池系统 |
CN103460476B (zh) * | 2011-04-01 | 2016-11-23 | Toto株式会社 | 铈系复合氧化物的制造方法、固体氧化物型燃料电池单电池及燃料电池系统 |
Also Published As
Publication number | Publication date |
---|---|
EP0842900A1 (en) | 1998-05-20 |
JPH09278444A (ja) | 1997-10-28 |
DE69727192D1 (de) | 2004-02-19 |
EP0842900B1 (en) | 2004-01-14 |
EP0842900A4 (en) | 2000-07-26 |
DE69727192T2 (de) | 2004-11-25 |
JP4094689B2 (ja) | 2008-06-04 |
US5945370A (en) | 1999-08-31 |
KR100272414B1 (ko) | 2000-12-01 |
CN1085624C (zh) | 2002-05-29 |
KR19990022422A (ko) | 1999-03-25 |
WO1997037933A1 (fr) | 1997-10-16 |
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