CN105381805A - 一种天然气汽车尾气处理催化剂及其制备方法 - Google Patents
一种天然气汽车尾气处理催化剂及其制备方法 Download PDFInfo
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- CN105381805A CN105381805A CN201510886058.5A CN201510886058A CN105381805A CN 105381805 A CN105381805 A CN 105381805A CN 201510886058 A CN201510886058 A CN 201510886058A CN 105381805 A CN105381805 A CN 105381805A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 114
- 239000011248 coating agent Substances 0.000 claims abstract description 105
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 20
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 13
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 9
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010970 precious metal Substances 0.000 claims abstract description 8
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 6
- 239000010941 cobalt Substances 0.000 claims abstract description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 39
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 26
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 24
- 239000003345 natural gas Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052763 palladium Inorganic materials 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 238000001291 vacuum drying Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 10
- 239000007767 bonding agent Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 8
- 229910052878 cordierite Inorganic materials 0.000 claims description 7
- 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 7
- 238000000498 ball milling Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 206010013786 Dry skin Diseases 0.000 claims description 4
- 229910018879 Pt—Pd Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000009938 salting Methods 0.000 description 6
- 239000010953 base metal Substances 0.000 description 4
- 239000000306 component Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000013335 mesoporous material Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000009466 transformation Effects 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
Abstract
Description
Co负载量 | Ni负载量 | |
实施例1 | 0 | 5% |
实施例2 | 0 | 10% |
实施例3 | 0 | 15% |
实施例4 | 3% | 0 |
实施例5 | 8% | 0 |
实施例6 | 10% | 5% |
T50(℃) | T90(℃) | |
比较例 | 344 | 420 |
实施例1 | 337 | 388 |
实施例2 | 334 | 384 |
实施例3 | 332 | 388 |
实施例4 | 338 | 391 |
实施例5 | 337 | 389 |
实施例6 | 334 | 387 |
A涂层涂覆量 | B涂层涂覆量 | |
实施例7 | 60g/l | 120g/l |
实施例8 | 80g/l | 100g/l |
实施例9 | 100g/l | 80g/l |
实施例10 | 80g/l | 60g/l |
T50(℃) | T90(℃) | |
比较例 | 344 | 420 |
实施例7 | 334 | 384 |
实施例8 | 328 | 380 |
实施例9 | 332 | 382 |
实施例10 | 335 | 384 |
Claims (6)
Priority Applications (1)
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CN201510886058.5A CN105381805B (zh) | 2015-12-04 | 2015-12-04 | 一种天然气汽车尾气处理催化剂及其制备方法 |
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CN105381805A true CN105381805A (zh) | 2016-03-09 |
CN105381805B CN105381805B (zh) | 2018-01-09 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316991A (en) * | 1991-11-08 | 1994-05-31 | Ford Motor Company | Exhaust treating system for lean-burn CNG engine |
US6010673A (en) * | 1992-09-21 | 2000-01-04 | Toyota Jidosha Kabushiki Kaisha | Method for purifying exhaust gas |
EP1211395A1 (en) * | 2000-06-30 | 2002-06-05 | ICT Co., Ltd. | Catalyst device for clarification of exhaust gas |
JP2006326433A (ja) * | 2005-05-24 | 2006-12-07 | Osaka Gas Co Ltd | メタン含有排ガスの浄化方法、メタン含有排ガス浄化用三元触媒の前処理方法及びこれを用いた三元触媒 |
CN102039146A (zh) * | 2010-11-18 | 2011-05-04 | 华东理工大学 | 天然气发动机排气净化催化剂及其制备方法 |
CN102921448A (zh) * | 2012-11-16 | 2013-02-13 | 山西省交通科学研究院 | 一种汽车尾气净化催化剂 |
CN103191735A (zh) * | 2013-03-29 | 2013-07-10 | 无锡威孚环保催化剂有限公司 | 稀燃型天然气车用催化剂的制备方法 |
-
2015
- 2015-12-04 CN CN201510886058.5A patent/CN105381805B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316991A (en) * | 1991-11-08 | 1994-05-31 | Ford Motor Company | Exhaust treating system for lean-burn CNG engine |
US6010673A (en) * | 1992-09-21 | 2000-01-04 | Toyota Jidosha Kabushiki Kaisha | Method for purifying exhaust gas |
EP1211395A1 (en) * | 2000-06-30 | 2002-06-05 | ICT Co., Ltd. | Catalyst device for clarification of exhaust gas |
JP2006326433A (ja) * | 2005-05-24 | 2006-12-07 | Osaka Gas Co Ltd | メタン含有排ガスの浄化方法、メタン含有排ガス浄化用三元触媒の前処理方法及びこれを用いた三元触媒 |
CN102039146A (zh) * | 2010-11-18 | 2011-05-04 | 华东理工大学 | 天然气发动机排气净化催化剂及其制备方法 |
CN102921448A (zh) * | 2012-11-16 | 2013-02-13 | 山西省交通科学研究院 | 一种汽车尾气净化催化剂 |
CN103191735A (zh) * | 2013-03-29 | 2013-07-10 | 无锡威孚环保催化剂有限公司 | 稀燃型天然气车用催化剂的制备方法 |
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Date of cancellation: 20201105 Granted publication date: 20180109 Pledgee: Chengdu small business financing Company Limited by Guarantee Pledgor: Sinocat Environmental Technology Co.,Ltd. Registration number: Y2019510000045 |