Particulate combustion catalyst, manufacturing method thereof, particulate filter, and manufacturing method thereof
A technology of combustion catalyst and manufacturing method, which is applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of cost and use conditions, and achieve the effect of excellent heat resistance
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[0041] As catalyst components, an aqueous solution of silver nitrate and an aqueous solution of palladium nitrate were impregnated in the oxidation catalyst at an amount ratio capable of forming an alloy of the alloy composition described in Table 1 and the loading amount of the alloy metal (reported in parts by mass per 100 parts by mass of the carrier). The aluminum porous body carrier is evaporated to dryness at 120 ° C. The aluminum oxide porous body carrier has a pore distribution as measured by a mercury porosity detector. figure 1 Shown, having peaks of various pore distributions described in Table 1, containing 4% by mass of La 2 o 3 , The specific surface area is 150m 2 / g of any La-stabilized θ alumina porous body support. This was fired at 800° C. for 20 hours to alloy Ag and Pd to obtain fine particle combustion catalyst powder. 180 g of the particulate combustion catalyst powder carrying the AgPd alloy, 100 g of alumina sol with an alumina concentration of 20% ...
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