CN105435834A - 一种汽车尾气净化催化剂及其制备方法 - Google Patents
一种汽车尾气净化催化剂及其制备方法 Download PDFInfo
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- CN105435834A CN105435834A CN201510881335.3A CN201510881335A CN105435834A CN 105435834 A CN105435834 A CN 105435834A CN 201510881335 A CN201510881335 A CN 201510881335A CN 105435834 A CN105435834 A CN 105435834A
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- catalyst
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- tail gases
- molecular sieve
- noble metal
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- 239000003054 catalyst Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000746 purification Methods 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 claims abstract description 55
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 239000002808 molecular sieve Substances 0.000 claims abstract description 25
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000010970 precious metal Substances 0.000 claims abstract description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 39
- 229910000510 noble metal Inorganic materials 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 18
- 238000001291 vacuum drying Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000000498 ball milling Methods 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052878 cordierite Inorganic materials 0.000 claims description 10
- 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 group [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 description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 238000009938 salting Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 239000012266 salt solution Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 241000269350 Anura Species 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 2
- 239000013543 active substance Substances 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 230000005012 migration Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000008367 deionised water Substances 0.000 description 15
- 229910021641 deionized water Inorganic materials 0.000 description 15
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 11
- 238000001035 drying Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 5
- NWAHZABTSDUXMJ-UHFFFAOYSA-N platinum(2+);dinitrate Chemical compound [Pt+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O NWAHZABTSDUXMJ-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
T50(℃) | T90(℃) | |
比较例1 | 342 | 407 |
比较例2 | 332 | 391 |
实施例1 | 294 | 338 |
实施例2 | 298 | 346 |
实施例3 | 301 | 355 |
Claims (10)
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CN105435834B CN105435834B (zh) | 2018-03-06 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107570200A (zh) * | 2017-08-14 | 2018-01-12 | 无锡市永兴金属软管有限公司 | 一种汽车尾气净化器用催化剂及其制备方法 |
CN108160102A (zh) * | 2018-02-05 | 2018-06-15 | 无锡威孚环保催化剂有限公司 | 基于挥发性有机污染物净化的催化剂及制备方法 |
CN108404975A (zh) * | 2018-04-27 | 2018-08-17 | 中自环保科技股份有限公司 | 一种具有良好低温起燃性能的氧化型催化系统及其制备工艺 |
CN110732320A (zh) * | 2019-10-13 | 2020-01-31 | 苏州倍友环保科技有限公司 | 一种柴油机尾气氧化催化剂及其制备方法和应用 |
CN110961142A (zh) * | 2019-12-17 | 2020-04-07 | 珂黎艾净化技术江苏有限公司 | 一种内燃机用尾气排放控制净化器nsc净化催化剂 |
CN114797851A (zh) * | 2022-04-01 | 2022-07-29 | 中自环保科技股份有限公司 | 一种高co净化性能催化剂的制备方法及其催化剂 |
Citations (5)
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JPH1157485A (ja) * | 1997-08-27 | 1999-03-02 | Tosoh Corp | 排気ガス浄化触媒及びこれを用いた浄化方法 |
US20060073964A1 (en) * | 2004-09-27 | 2006-04-06 | Rueih-Yuh Weng | Preparation of catalyst for direct decomposition of nitrogen oxide |
CN101244387A (zh) * | 2008-03-21 | 2008-08-20 | 无锡威孚环保催化剂有限公司 | 漆包机废气净化蜂窝状催化剂及其制备方法 |
CN103071524A (zh) * | 2013-01-30 | 2013-05-01 | 上海歌地催化剂有限公司 | 用于净化柴油机废气的氧化催化剂及其制备方法 |
CN103752338A (zh) * | 2014-02-08 | 2014-04-30 | 无锡威孚力达催化净化器有限责任公司 | 用于净化柴油机尾气的氧化催化剂的制备方法 |
-
2015
- 2015-12-04 CN CN201510881335.3A patent/CN105435834B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1157485A (ja) * | 1997-08-27 | 1999-03-02 | Tosoh Corp | 排気ガス浄化触媒及びこれを用いた浄化方法 |
US20060073964A1 (en) * | 2004-09-27 | 2006-04-06 | Rueih-Yuh Weng | Preparation of catalyst for direct decomposition of nitrogen oxide |
CN101244387A (zh) * | 2008-03-21 | 2008-08-20 | 无锡威孚环保催化剂有限公司 | 漆包机废气净化蜂窝状催化剂及其制备方法 |
CN103071524A (zh) * | 2013-01-30 | 2013-05-01 | 上海歌地催化剂有限公司 | 用于净化柴油机废气的氧化催化剂及其制备方法 |
CN103752338A (zh) * | 2014-02-08 | 2014-04-30 | 无锡威孚力达催化净化器有限责任公司 | 用于净化柴油机尾气的氧化催化剂的制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107570200A (zh) * | 2017-08-14 | 2018-01-12 | 无锡市永兴金属软管有限公司 | 一种汽车尾气净化器用催化剂及其制备方法 |
CN108160102A (zh) * | 2018-02-05 | 2018-06-15 | 无锡威孚环保催化剂有限公司 | 基于挥发性有机污染物净化的催化剂及制备方法 |
CN108404975A (zh) * | 2018-04-27 | 2018-08-17 | 中自环保科技股份有限公司 | 一种具有良好低温起燃性能的氧化型催化系统及其制备工艺 |
CN108404975B (zh) * | 2018-04-27 | 2021-03-23 | 中自环保科技股份有限公司 | 一种具有良好低温起燃性能的氧化型催化系统及其制备工艺 |
CN110732320A (zh) * | 2019-10-13 | 2020-01-31 | 苏州倍友环保科技有限公司 | 一种柴油机尾气氧化催化剂及其制备方法和应用 |
CN110732320B (zh) * | 2019-10-13 | 2022-04-08 | 苏州倍友环保科技有限公司 | 一种柴油机尾气氧化催化剂及其制备方法和应用 |
CN110961142A (zh) * | 2019-12-17 | 2020-04-07 | 珂黎艾净化技术江苏有限公司 | 一种内燃机用尾气排放控制净化器nsc净化催化剂 |
CN114797851A (zh) * | 2022-04-01 | 2022-07-29 | 中自环保科技股份有限公司 | 一种高co净化性能催化剂的制备方法及其催化剂 |
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