JPH0331396Y2 - - Google Patents

Info

Publication number

JPH0331396Y2

JPH0331396Y2 JP1983107283U JP10728383U JPH0331396Y2 JP H0331396 Y2 JPH0331396 Y2 JP H0331396Y2 JP 1983107283 U JP1983107283 U JP 1983107283U JP 10728383 U JP10728383 U JP 10728383U JP H0331396 Y2 JPH0331396 Y2 JP H0331396Y2

Authority

JP

Japan

Prior art keywords

palladium

layer

catalyst

rhodium

alumina

Prior art date

1983-07-11

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.)

Expired

Links

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• KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 81
• 239000003054 catalyst Substances 0.000 claims 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 description 36
• 229910052763 palladium Inorganic materials 0.000 claims description 34
• 239000010948 rhodium Substances 0.000 claims description 25
• 229910052703 rhodium Inorganic materials 0.000 claims description 17
• MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 15
• 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 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 description 7
• 239000000463 material Substances 0.000 claims description 7
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 17
• 230000000694 effects Effects 0.000 description 12
• 230000000052 comparative effect Effects 0.000 description 11
• 229910052697 platinum Inorganic materials 0.000 description 6
• 238000000746 purification Methods 0.000 description 6
• 230000003197 catalytic effect Effects 0.000 description 5
• 229910052751 metal Inorganic materials 0.000 description 5
• 239000002184 metal Substances 0.000 description 5
• 239000002002 slurry Substances 0.000 description 5
• 239000007864 aqueous solution Substances 0.000 description 4
• PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 4
• 239000000243 solution Substances 0.000 description 4
• 230000007423 decrease Effects 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• 230000000977 initiatory effect Effects 0.000 description 2
• 150000002739 metals Chemical class 0.000 description 2
• 238000007254 oxidation reaction Methods 0.000 description 2
• 239000000843 powder Substances 0.000 description 2
• 238000006722 reduction reaction Methods 0.000 description 2
• SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 2
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
• OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
• 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 description 1
• 229910002091 carbon monoxide Inorganic materials 0.000 description 1
• 238000002485 combustion reaction Methods 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000011156 evaluation Methods 0.000 description 1
• 230000002349 favourable effect Effects 0.000 description 1
• 239000000446 fuel Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 229910000510 noble metal Inorganic materials 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 229910052698 phosphorus Inorganic materials 0.000 description 1
• 239000011574 phosphorus Substances 0.000 description 1
• 238000005245 sintering Methods 0.000 description 1
• 238000002791 soaking Methods 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 229910000033 sodium borohydride Inorganic materials 0.000 description 1
• 239000012279 sodium borohydride Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 230000001988 toxicity Effects 0.000 description 1
• 231100000419 toxicity Toxicity 0.000 description 1