JPS59179153A - 排ガス浄化用三元触媒 - Google Patents
排ガス浄化用三元触媒Info
- Publication number
- JPS59179153A JPS59179153A JP58052505A JP5250583A JPS59179153A JP S59179153 A JPS59179153 A JP S59179153A JP 58052505 A JP58052505 A JP 58052505A JP 5250583 A JP5250583 A JP 5250583A JP S59179153 A JPS59179153 A JP S59179153A
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- weight
- catalyst
- parts
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims description 41
- 239000002912 waste gas Substances 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 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 31
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 9
- 239000010948 rhodium Substances 0.000 claims abstract description 9
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 8
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 13
- 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 description 12
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 8
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 8
- -1 rare earth compound Chemical class 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 18
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract description 9
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 229910052763 palladium Inorganic materials 0.000 abstract description 5
- 239000004156 Azodicarbonamide Substances 0.000 abstract description 3
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 abstract description 3
- 235000019399 azodicarbonamide Nutrition 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- YGTTUEUQKCEHFZ-UHFFFAOYSA-N [N+](=O)([O-])[Rh](N)N Chemical compound [N+](=O)([O-])[Rh](N)N YGTTUEUQKCEHFZ-UHFFFAOYSA-N 0.000 abstract description 2
- FCUFAHVIZMPWGD-UHFFFAOYSA-N [O-][N+](=O)[Pt](N)(N)[N+]([O-])=O Chemical compound [O-][N+](=O)[Pt](N)(N)[N+]([O-])=O FCUFAHVIZMPWGD-UHFFFAOYSA-N 0.000 abstract description 2
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 229910052684 Cerium Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 229910052746 lanthanum Inorganic materials 0.000 description 6
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 229910052878 cordierite Inorganic materials 0.000 description 4
- 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 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- LEVWYRKDKASIDU-IMJSIDKUSA-N L-cystine Chemical compound [O-]C(=O)[C@@H]([NH3+])CSSC[C@H]([NH3+])C([O-])=O LEVWYRKDKASIDU-IMJSIDKUSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 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 2
- 238000007796 conventional method Methods 0.000 description 2
- 229960003067 cystine Drugs 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RGJOEKWQDUBAIZ-IBOSZNHHSA-N CoASH Chemical compound O[C@@H]1[C@H](OP(O)(O)=O)[C@@H](COP(O)(=O)OP(O)(=O)OCC(C)(C)[C@@H](O)C(=O)NCCC(=O)NCCS)O[C@H]1N1C2=NC=NC(N)=C2N=C1 RGJOEKWQDUBAIZ-IBOSZNHHSA-N 0.000 description 1
- 241000640882 Condea Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- SLPMWOSBXIRBOE-UHFFFAOYSA-N [N+](=O)(O)[O-].[N+](=O)([O-])[Pt](N)(N)[N+](=O)[O-] Chemical compound [N+](=O)(O)[O-].[N+](=O)([O-])[Pt](N)(N)[N+](=O)[O-] SLPMWOSBXIRBOE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment 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
- 238000000691 measurement method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58052505A JPS59179153A (ja) | 1983-03-31 | 1983-03-31 | 排ガス浄化用三元触媒 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58052505A JPS59179153A (ja) | 1983-03-31 | 1983-03-31 | 排ガス浄化用三元触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59179153A true JPS59179153A (ja) | 1984-10-11 |
| JPH0433494B2 JPH0433494B2 (enrdf_load_stackoverflow) | 1992-06-03 |
Family
ID=12916582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58052505A Granted JPS59179153A (ja) | 1983-03-31 | 1983-03-31 | 排ガス浄化用三元触媒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59179153A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162043A (ja) * | 1986-12-24 | 1988-07-05 | Toyota Motor Corp | 排気ガス浄化用触媒 |
| JP2017056457A (ja) * | 2015-09-14 | 2017-03-23 | 富士電機株式会社 | コア・シェル型触媒および該触媒を含んで成るガスセンサ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787839A (en) * | 1980-11-20 | 1982-06-01 | Toyota Motor Corp | Catalyst of monolithic construction type for purification of waste gas |
| JPS57119834A (en) * | 1981-01-20 | 1982-07-26 | Mitsui Mining & Smelting Co Ltd | Rare earth liquid composition for coating of catalyst carrier |
-
1983
- 1983-03-31 JP JP58052505A patent/JPS59179153A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787839A (en) * | 1980-11-20 | 1982-06-01 | Toyota Motor Corp | Catalyst of monolithic construction type for purification of waste gas |
| JPS57119834A (en) * | 1981-01-20 | 1982-07-26 | Mitsui Mining & Smelting Co Ltd | Rare earth liquid composition for coating of catalyst carrier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162043A (ja) * | 1986-12-24 | 1988-07-05 | Toyota Motor Corp | 排気ガス浄化用触媒 |
| JP2017056457A (ja) * | 2015-09-14 | 2017-03-23 | 富士電機株式会社 | コア・シェル型触媒および該触媒を含んで成るガスセンサ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433494B2 (enrdf_load_stackoverflow) | 1992-06-03 |
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