CN1824384B - 高性能低贵金属三效催化剂 - Google Patents
高性能低贵金属三效催化剂 Download PDFInfo
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- CN1824384B CN1824384B CN2006100201434A CN200610020143A CN1824384B CN 1824384 B CN1824384 B CN 1824384B CN 2006100201434 A CN2006100201434 A CN 2006100201434A CN 200610020143 A CN200610020143 A CN 200610020143A CN 1824384 B CN1824384 B CN 1824384B
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- Prior art keywords
- catalyst
- matrix
- oxide
- noble metal
- cerium compound
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- 239000003054 catalyst Substances 0.000 title claims abstract description 70
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 30
- 230000000694 effects Effects 0.000 title description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 229910018967 Pt—Rh Inorganic materials 0.000 claims abstract description 9
- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 5
- 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 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims abstract description 3
- 150000001785 cerium compounds Chemical class 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000003463 adsorbent Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 10
- 229910052788 barium Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 229910052712 strontium Inorganic materials 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims 1
- 229910052684 Cerium Inorganic materials 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000002671 adjuvant Substances 0.000 abstract description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 238000003483 aging Methods 0.000 description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 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 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000009938 salting Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 2
- 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 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 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 1
- 239000000463 material Substances 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical class [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100201434A CN1824384B (zh) | 2006-01-13 | 2006-01-13 | 高性能低贵金属三效催化剂 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100201434A CN1824384B (zh) | 2006-01-13 | 2006-01-13 | 高性能低贵金属三效催化剂 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1824384A CN1824384A (zh) | 2006-08-30 |
| CN1824384B true CN1824384B (zh) | 2011-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100201434A Active CN1824384B (zh) | 2006-01-13 | 2006-01-13 | 高性能低贵金属三效催化剂 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1824384B (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172526B (zh) * | 2011-03-15 | 2013-02-13 | 中国汽车技术研究中心 | 用于脱除稀燃发动机尾气中的氮氧化物存储还原催化剂及制备方法 |
| CN102861605B (zh) * | 2012-10-09 | 2014-09-17 | 西南石油大学 | 低so2氧化活性的柴油车氧化型催化剂及其制备方法 |
| CN105148908B (zh) * | 2015-08-17 | 2021-03-23 | 中自环保科技股份有限公司 | 一种负载型贵金属催化剂的制备方法以及其应用 |
| CN110665501A (zh) * | 2019-09-23 | 2020-01-10 | 重庆海特弘业催化剂有限公司 | 一种汽车尾气净化三元催化剂的外层Rh涂层及其催化剂 |
| CN113231062B (zh) * | 2021-05-08 | 2023-03-31 | 无锡威孚环保催化剂有限公司 | 一种含Pt汽油车三效催化剂及其制备方法 |
-
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- 2006-01-13 CN CN2006100201434A patent/CN1824384B/zh active Active
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| Publication number | Publication date |
|---|---|
| CN1824384A (zh) | 2006-08-30 |
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Owner name: SICHUAN ZHONGZI EXHAUST PURGE CO., LTD. Free format text: FORMER OWNER: SICHUAN UNIVERSITY Effective date: 20110711 |
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Free format text: CORRECT: ADDRESS; FROM: 610064 COLLEGE OF CHEMISTRY, SICHUAN UNIVERSITY, NO. 24, SOUTH 1ST SECTION OF 1ST RING ROAD, CHENGDU CITY, SICHUAN PROVINCE TO: 611731 NO. 12, XIXIN AVENUE, WEST ZONE, HIGH-TECH. ZONE, CHENGDU CITY |
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Effective date of registration: 20110711 Address after: 611731, 12, West Avenue, West District, Chengdu hi tech Development Zone Patentee after: Sichuan Zhongzi Exhaust Purge Co.,Ltd. Address before: 610064 School of chemistry, Sichuan University, No. 24, south section of first ring road, Sichuan, Chengdu Patentee before: Sichuan University |
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Denomination of invention: High performance low noble metal triple effect catalyst Effective date of registration: 20130701 Granted publication date: 20110105 Pledgee: Chengdu small business financing Company Limited by Guarantee Pledgor: Sichuan Zhongzi Exhaust Purge Co.,Ltd. Registration number: 2013990000420 |
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Denomination of invention: High performance low noble metal triple effect catalyst Effective date of registration: 20140704 Granted publication date: 20110105 Pledgee: Chengdu small business financing Company Limited by Guarantee Pledgor: Sichuan Zhongzi Exhaust Purge Co.,Ltd. Registration number: 2014990000541 |
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Denomination of invention: High performance low noble metal triple effect catalyst Effective date of registration: 20170928 Granted publication date: 20110105 Pledgee: Chengdu small business financing Company Limited by Guarantee Pledgor: Sinocat Environmental Technology Co.,Ltd. Registration number: 2017510000066 |
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Address after: 611731 No. 88, Gu Nan Street, hi tech Zone, Chengdu City, Sichuan Province Patentee after: Zhongzi Technology Co.,Ltd. Country or region after: China Address before: 611731 No. 88, Gu Nan Street, hi tech Zone, Chengdu City, Sichuan Province Patentee before: Sinocat Environmental Technology Co.,Ltd. Country or region before: China |