JPS63305940A - 排ガス浄化用触媒体 - Google Patents

Info

Publication number

JPS63305940A

JPS63305940A JP62141695A JP14169587A JPS63305940A JP S63305940 A JPS63305940 A JP S63305940A JP 62141695 A JP62141695 A JP 62141695A JP 14169587 A JP14169587 A JP 14169587A JP S63305940 A JPS63305940 A JP S63305940A

Authority

JP

Japan

Prior art keywords

exhaust gas

catalyst

mgo

oxide

nox

Prior art date

1987-06-05

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

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• 230000003197 catalytic effect Effects 0.000 title abstract description 17
• 239000003054 catalyst Substances 0.000 claims abstract description 53
• 239000007789 gas Substances 0.000 claims abstract description 21
• 229910052742 iron Inorganic materials 0.000 claims abstract description 6
• 229910052684 Cerium Inorganic materials 0.000 claims abstract description 5
• 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
• 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 4
• 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 4
• 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
• 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
• 239000001301 oxygen Substances 0.000 claims abstract description 3
• 229910052804 chromium Inorganic materials 0.000 claims abstract 2
• 229910052751 metal Inorganic materials 0.000 claims description 8
• 239000002184 metal Substances 0.000 claims description 8
• 238000000746 purification Methods 0.000 claims description 5
• 229910052779 Neodymium Inorganic materials 0.000 claims description 3
• 239000000919 ceramic Substances 0.000 claims description 2
• 229910052719 titanium Inorganic materials 0.000 claims description 2
• 239000000956 alloy Substances 0.000 claims 1
• 229910045601 alloy Inorganic materials 0.000 claims 1
• 238000002156 mixing Methods 0.000 abstract description 6
• 239000000203 mixture Substances 0.000 abstract description 6
• 238000001354 calcination Methods 0.000 abstract description 3
• 229910052720 vanadium Inorganic materials 0.000 abstract description 3
• 230000002950 deficient Effects 0.000 abstract 1
• 230000003647 oxidation Effects 0.000 description 11
• 238000007254 oxidation reaction Methods 0.000 description 11
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
• 238000002485 combustion reaction Methods 0.000 description 7
• 230000007423 decrease Effects 0.000 description 6
• MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
• 239000003350 kerosene Substances 0.000 description 4
• 229910000510 noble metal Inorganic materials 0.000 description 4
• 238000010586 diagram Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 239000006260 foam Substances 0.000 description 3
• 230000003247 decreasing effect Effects 0.000 description 2
• 238000010304 firing Methods 0.000 description 2
• NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
• 238000005259 measurement Methods 0.000 description 2
• QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
• 230000010718 Oxidation Activity Effects 0.000 description 1
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000001412 amines Chemical class 0.000 description 1
• 239000003518 caustics Substances 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 229910052878 cordierite Inorganic materials 0.000 description 1
• 230000000593 degrading effect Effects 0.000 description 1
• 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 1
• 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 1
• 238000001035 drying Methods 0.000 description 1
• 238000011156 evaluation Methods 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 229910000000 metal hydroxide Inorganic materials 0.000 description 1
• 150000004692 metal hydroxides Chemical class 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229910052863 mullite Inorganic materials 0.000 description 1
• 150000002823 nitrates Chemical class 0.000 description 1
• 235000006408 oxalic acid Nutrition 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 229910052763 palladium Inorganic materials 0.000 description 1
• 229910052697 platinum Inorganic materials 0.000 description 1
• 239000010970 precious metal Substances 0.000 description 1
• 238000011084 recovery Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 238000005406 washing Methods 0.000 description 1

Cited By (1)