Preparation method of Mn2CuCe0.2-SiC monolithic catalyst and VOCs purification method
A monolithic catalyst and reagent technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problem of low catalytic decomposition efficiency of exhaust gas
Active Publication Date: 2018-12-18
GUANGDONG POLYTECHNIC OF ENVIRONMENTAL PROTECTION ENG +1
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[0007] Another object of the present invention is to provide a kind of VOCs purification method, this VOCs purification method is aimed at solving the problem that exhaust gas catalytic decomposition efficiency is low in the prior art
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[0042] The present embodiment provides a kind of VOCs purification method, it comprises Mn 2 CuCe 0.2 -The preparation method of SiC monolithic catalyst, its specific steps are described.
[0043] Please refer to figure 1 , with reference to Figure 2 to Figure 4 , the Mn 2 CuCe 0.2 -SiC monolithic catalyst uses honeycomb silicon carbide as the carrier, and the geometric surface area of the honeycomb silicon carbide carrier is 745m 2 / m 3 , the hole density is 37.2 holes / in 2 , the hole type is square, the hole spacing is 4mm, and the wall thickness is 1mm; Mn 2 CuCe 0.2 -Surface-loaded Mn, Cu, Ce active components and graphite oxide additives for SiC monolithic catalysts, Mn 2 CuCe 0.2 - The surface load of the SiC monolithic catalyst is 7.5wt%; the ratio of Mn, Cu, and Ce active components is Mn:Cu:Ce=2:1:0.2.
[0044] mn 2 CuCe 0.2 -The concrete steps of the preparation method of SiC monolithic catalyst are:
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Abstract
The invention provides a preparation method of a Mn2CuCe0.2-SiC monolithic catalyst and a VOCs purification method and belongs to the technical field of environment protection. The method particularlyincludes: (1) soaking honeycomb SiC in water and performing ultrasonic washing; (2) drying the SiC in a drying box; (3) adding a reagent I, a reagent II and a reagent III to deionized water, and performing ultrasonic stirring; (4) adding a material IV to the solution in the step (3), and performing ultrasonic treatment to uniformly disperse the material IV; (5) impregnating the SiC in the solution in the step (4) for 12 h; (6) moving out the impregnated material, in which pores are filled with the solution in the step (4), and drying the material in the drying box; (7) calcining the materialin the step (6) in a muffle furnace to obtain the Mn2CuCe0.2-SiC monolithic catalyst. The VOCs purification method is based on the preparation method of the Mn2CuCe0.2-SiC monolithic catalyst and is high in pollutant removal efficiency.
Description
technical field [0001] The invention relates to the technical field of environmental protection, in particular to a Mn 2 CuCe 0.2 - Preparation method of SiC monolithic catalyst and VOCs purification method. Background technique [0002] In recent years, the large-scale smog weather across the country has aroused widespread public concern, and air pollution control has become a current environmental hotspot. The problem of regional compound atmospheric pollution characterized by ozone, fine particulate matter (PM2.5), and acid rain has become increasingly prominent. Among them, in the Pearl River Delta region, especially Dongguan, Huizhou, and Foshan, the ozone concentration exceeded the standard seriously. As important precursors of ozone and secondary organic particulate matter, volatile organic compounds (Volatile Organic Compounds, VOCs) play an extremely important role in atmospheric chemical reactions. Relevant data show that the absolute emissions of VOCs in my co...
Claims
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IPC IPC(8): B01J27/224B01J35/10B01J35/04B01J37/34B01J37/02B01J37/08B01D53/86B01D53/44
CPCB01D53/8687B01J27/224B01J37/0201B01J37/082B01J37/343
Inventor 黎雯邓杰帆何觉聪涂舜恒吴刚
Owner GUANGDONG POLYTECHNIC OF ENVIRONMENTAL PROTECTION ENG