C-SiC loaded platinum-based catalyst, preparation method and applications thereof
A catalyst, platinum-based technology, applied in the field of platinum-based catalysts, can solve the problems of non-resistance to sintering, low catalyst activity, etc., and achieve the effects of improving conversion rate, simple and feasible preparation method, and avoiding catalyst carbon deposition and deactivation.
Active Publication Date: 2015-11-04
SINOPEC YANGZI PETROCHEM +1
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Abstract
The present invention discloses a C-SiC composite carrier loaded platinum-based catalyst and a preparation method thereof, and applications of the C-SiC composite carrier loaded platinum-based catalyst in catalytic dehydrogenation reactions of alkyl compounds having more than or equal to a C2-C12 chain. The catalyst comprises, by mass, 96-99.2% of a carrier C-Si, 0.05-2% of a platinum component loaded on the C-SiC, and 0.02-2.0% of an auxiliary agent element loaded on the C-SiC. According to the present invention, the preparation method is simple, feasible and environmentally friendly; compared with the catalyst in the prior art, the C-SiC loaded platinum-based catalyst has the following characteristics that the catalyst integrates the high surface area and the high porosity of the carbon material, the strong interaction between the noble metal Pt and the carbon material, and the like so as to significantly improve the conversion rate of the chain alkyl compound and the selectivity of the corresponding chain alkenyl compound; and the catalyst SiC of the present invention further has excellent thermal conductivity, such that the problems that the local reactor overheating causes the catalyst carbon deposition and deactivation and the like can be avoided.
Application Domain
HydrocarbonsMetal/metal-oxides/metal-hydroxide catalysts +1
Technology Topic
ChemistryPrecious metal +11
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