Patent
Integral type catalyst with heat storage function as well as preparation method and application thereof
TLDR
In this paper, an integral type catalyst with heat storage function and a preparation method and application of the integral type catalysts is presented. But, the preparation method comprises the following steps: firstly, preparing the activated alumina and the catalyst active ingredients into a coating slurry; and then soaking the heat storage layer into the slurry to prepare the integral-type catalyst with the heat-storage function.Abstract:
The invention discloses an integral type catalyst with heat storage function as well as a preparation method and application thereof. The integral type catalyst is loaded with an activated alumina and catalyst active ingredients on the surface of a heat storage layer, and has an integral porous cellular structure; the heat storage layer consists of at least one of SiC and corundum, dichroite and mullite; the catalyst active ingredients mainly comprise CuO, CoO, Ni2O3 and MnO2, and can be added with Pt, Pd or mixture of the both; and the activated alumina accounts for 2 to 20 percent of the mass of the integral type catalyst. The preparation method comprises the following steps: firstly, preparing the activated alumina and the catalyst active ingredients into coating slurry; and then soaking the heat storage layer into the coating slurry to prepare the integral type catalyst with the heat storage function. The catalyst has the thermal efficiency reaching 96 percent, and can realize high-efficiency purification on industrial organic waste gases after integrating with a reverse flow reactor for catalytic combustion of contaminants under non-steady operation conditions.read more
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