Filter material, and preparation method and application thereof
A filter material and substrate surface technology, applied in separation methods, chemical instruments and methods, filtration separation, etc., can solve the problems of high binding fastness between filter material and catalyst, uniform distribution of catalyst, and good air permeability of integrated filter material, etc. , to achieve the effect of strong bonding fastness, small influence and high bonding fastness
Active Publication Date: 2021-10-08
NANJING FIBERGLASS RES & DESIGN INST CO LTD +1
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The invention belongs to the technical field of filter material preparation, and particularly relates to a filter material, and a preparation method and application thereof. The preparation method comprises the following steps: (1) dipping a filter material base material in a metal salt solution at 55-70 DEG C; (2) spraying a urea solution and/or an ammonia water solution on the surface of the impregnated filter material base material, and then spraying a hydrogen peroxide solution on the surface of the filter material base material; and (3) carrying out heat treatment to obtain the filter material. According to the denitration and dust removal integrated filter material obtained by the method, the catalyst can be uniformly distributed on the filter material base material while the high binding strength of the filter material base material and the catalyst can be ensured, and the air permeability of the filter material is not influenced by the existence of the catalyst.
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