CN1817447A - 低铈型储氧材料及其制备方法 - Google Patents
低铈型储氧材料及其制备方法 Download PDFInfo
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- CN1817447A CN1817447A CN 200610020111 CN200610020111A CN1817447A CN 1817447 A CN1817447 A CN 1817447A CN 200610020111 CN200610020111 CN 200610020111 CN 200610020111 A CN200610020111 A CN 200610020111A CN 1817447 A CN1817447 A CN 1817447A
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- cerium
- hydrogen
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- oxide
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- 239000000463 material Substances 0.000 title claims abstract description 99
- 229910052684 Cerium Inorganic materials 0.000 title claims description 44
- 238000004519 manufacturing process Methods 0.000 title description 2
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 30
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 30
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 18
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000001354 calcination Methods 0.000 claims abstract description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 37
- 229910052760 oxygen Inorganic materials 0.000 claims description 37
- 239000001301 oxygen Substances 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 30
- 239000012752 auxiliary agent Substances 0.000 claims description 27
- 239000011259 mixed solution Substances 0.000 claims description 27
- 239000004094 surface-active agent Substances 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 claims description 22
- 229910002651 NO3 Inorganic materials 0.000 claims description 20
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 230000032683 aging Effects 0.000 claims description 19
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 19
- 239000003153 chemical reaction reagent Substances 0.000 claims description 18
- 230000001376 precipitating effect Effects 0.000 claims description 18
- 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 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000003483 aging Methods 0.000 claims description 15
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 15
- 239000007790 solid phase Substances 0.000 claims description 13
- 238000001556 precipitation Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 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 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000006104 solid solution Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 239000001099 ammonium carbonate Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012071 phase Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000012670 alkaline solution Substances 0.000 claims description 7
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000012295 chemical reaction liquid Substances 0.000 claims description 7
- 239000002243 precursor Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000975 co-precipitation Methods 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 4
- 229910021318 lanthanum strontium oxide Inorganic materials 0.000 abstract 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 14
- 238000007792 addition Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 229940068984 polyvinyl alcohol Drugs 0.000 description 6
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 6
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 description 4
- 239000011232 storage material Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000247 postprecipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000003513 alkali Substances 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
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910002086 ceria-stabilized zirconia Inorganic materials 0.000 description 1
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910001952 rubidium oxide Inorganic materials 0.000 description 1
- CWBWCLMMHLCMAM-UHFFFAOYSA-M rubidium(1+);hydroxide Chemical compound [OH-].[Rb+].[Rb+] CWBWCLMMHLCMAM-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
样品编号 | 组成 | 储氧量(μmol/g) | BET比表面(m2/g) | 孔容 |
A-Zr75 | Ce0.15Zr0.75Y0.1Ox | 379.7 | 108.7 | 0.25 |
A-Zr70 | Ce0.2Zr0.7Y0.1Ox | 482.6 | 105.4 | 0.25 |
A-Zr65 | Ce0.25Zr0.65Y0.1Ox | 534.2 | 102.2 | 0.25 |
A-Zr60 | Ce0.3Zr0.6Y0.1Ox | 550.4 | 104.5 | 0.25 |
A-Zr55 | Ce0.35Zr0.55Y0.1Ox | 568.4 | 105.7 | 0.25 |
样品 | 组成 | 储氧量(μmol/g) | BET比表面(m2/g) | 孔容 |
A-Zr75 | Ce0.15Zr0.75Y0.1Ox | 310.1 | 169.5 | 0.30 |
A-Zr70 | Ce0.2Zr0.7Y0.1Ox | 320.3 | 153.1 | 0.29 |
A-Zr65 | Ce0.25Zr0.65Y0.1Ox | 350.5 | 172.5 | 0.32 |
A-Zr60 | Ce0.3Zr0.6Y0.1Ox | 361.6 | 159.3 | 0.30 |
A-Zr55 | Ce0.35Zr0.55Y0.1Ox | 377.4 | 163.4 | 0.31 |
样品 | 组成 | 储氧量(μmol/g) | BET比表面(m2/g) | 孔容 |
B-Zr75800 | Ce0.15Zr0.75Y0.1Ox | 222.9 | 107.3 | 0.28 |
B-Zr751000 | Ce0.15Zr0.75Y0.1Ox | 204.3 | 62.9 | 0.20 |
样品编号 | 组成 | 储氧量(μmol/g) | BET比表面(m2/g) | 孔容 |
La-Zr55800 | Ce0.35Zr0.55La0.1Ox | 452.6 | 77.6 | 0.24 |
La-Zr1K | Ce0.35Zr0.55La0.1Ox | 447.6 | 61.3 | 0.22 |
Sr-Zr55800 | Ce0.15Zr0.75Sr0.1Ox | 497.5 | 83.5 | 0.22 |
Sr-Zr1K | Ce0.15Zr0.75Sr0.1Ox | 400.8 | 62.5 | 0.20 |
样品 | 组成 | 储氧量(μmol/g) | BET比表面(m2/g) | 孔容 |
LSY-Zr74800 | Ce0.15Zr0.76La0.3Sr0.3Y0.3Ox | 314.2 | 112.7 | 0.26 |
LSY-Zr741000 | Ce0.15Zr0.76La0.3Sr0.3Y0.3Ox | 265.4 | 65.6 | 0.22 |
Claims (14)
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Cited By (15)
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WO2010096957A1 (zh) * | 2009-02-25 | 2010-09-02 | 中国科学院物理研究所 | 用电场激活稀土氧化物及其复合氧化物催化剂活性的方法 |
CN101992083A (zh) * | 2010-10-27 | 2011-03-30 | 重庆海特汽车排气***有限公司 | 一种高储氧能力复合铈锆固溶体及其制备方法 |
CN102463034A (zh) * | 2010-11-15 | 2012-05-23 | 温州大学 | 一种用于摩托车尾气净化的储氧材料 |
CN102770373A (zh) * | 2009-12-25 | 2012-11-07 | 阿南化成株式会社 | 复合氧化物、其制备方法及排气净化用催化剂 |
CN102869442A (zh) * | 2010-03-05 | 2013-01-09 | 巴斯夫公司 | 一氧化碳转化催化剂 |
CN103861654A (zh) * | 2012-12-14 | 2014-06-18 | 上海郎特汽车净化器有限公司 | 一种储氧材料 |
CN103861663A (zh) * | 2012-12-14 | 2014-06-18 | 上海郎特汽车净化器有限公司 | 一种复合沉淀剂 |
CN103861577A (zh) * | 2012-12-14 | 2014-06-18 | 上海郎特汽车净化器有限公司 | 一种储氧材料的制备方法 |
CN105642269A (zh) * | 2016-02-26 | 2016-06-08 | 赣州博晶科技有限公司 | 一种复合铈锆固溶体及其制备方法 |
CN105797706A (zh) * | 2014-12-29 | 2016-07-27 | 北京有色金属研究总院 | 柴油车尾气颗粒物净化用铈镧固溶体催化剂及其制备方法 |
CN106268748A (zh) * | 2016-09-09 | 2017-01-04 | 南京德普瑞克催化器有限公司 | 一种耐高温储氧材料及其制备方法 |
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