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Denitrification and devoc catalyst

A catalyst and denitrification technology, applied in the direction of physical/chemical process catalysts, organic compound/hydride/coordination complex catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of inability to perform normal filtration reactions, Problems such as honeycomb pore blockage and increased production costs can be achieved to improve catalytic efficiency and capacity, prevent volume shrinkage, and reduce environmental protection costs

Active Publication Date: 2018-12-21
山东海润环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional catalysts can only filter VOC or nitrogen oxides in one direction, which leads to complex equipment structure and increased production costs when filtering mixed flue gas
Moreover, traditional catalysts rely on honeycomb catalysts for filtering operations. This catalyst has a simple structure. However, once large particles enter the catalyst, the entire honeycomb strip will be blocked and cannot perform normal filtration reactions.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] The present invention will be further described below in conjunction with specific examples, which do not limit the present invention.

[0045] A denitrification and deVOC catalyst, comprising a base material and an active component, the addition amount of the base material is 60-70 parts; the base material includes titanium dioxide, silicon powder and γ-alumina; in the base material, titanium dioxide, silicon powder and The mass ratio of γ-alumina is 5:2:3.

[0046] Described active component is made by following raw material, and described parts are weight parts:

[0047] 0.3 parts of vanadium pentoxide;

[0048] 0.15 parts of zirconium dioxide;

[0049] 0.12 parts of copper oxide;

[0050] Manganese oxide 0.1 part;

[0051] Cerium oxide 0.1 part.

[0052] It also includes additives, the addition amount of which is 20-30 parts; the additives include tungsten trioxide and molybdenum trioxide; the mass ratio of tungsten trioxide and molybdenum trioxide is 1:1.

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PUM

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Abstract

The invention relates to a denitration and VOC catalyst, which belongs to the field of environmentally friendly catalysts. The Mo-V-W / TiO2-Al2O3 system is formed between the various components of the catalyst of the present invention. Under the action of the active components Mo, V, W and the carrier TiO2-Al2O3, the simultaneous denitrification and VOC functions can be realized, and the tail gas can be effectively streamlined. The structure of filtering emission equipment reduces environmental protection costs. In addition, the invention has high anti-dust interference ability, and can still exert maximum filtration performance without the need for frequent shutdowns to clean dust accumulation, so that the aging speed of the catalyst is uniform, the filtration capacity is strong and the service life is long.

Description

technical field [0001] The invention relates to a catalyst for denitrification and VOC removal and a preparation method thereof, belonging to the field of catalysts for filtering polluted gases. Background technique [0002] With the development of my country's economy, my country's coal energy consumption and the number of motor vehicles have increased significantly, resulting in a rapid increase in the content of various pollutants in the air. After decades of hard work, my country has achieved some success in controlling dust and sulfur dioxide pollution, but the pollution of VOC and nitrogen oxides has not yet been controlled. Therefore, how to effectively control the emission of VOC and nitrogen oxides has become the focus of the current environmental protection field. [0003] Traditional catalysts can only filter VOC or nitrogen oxides in one direction, which leads to complex equipment structure and increased production costs when filtering mixed flue gas. Moreover,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/889B01J31/06B01D53/86B01D53/44B01D53/56
CPCB01D53/8628B01D53/8687B01J21/066B01J21/12B01J23/10B01J23/22B01J23/28B01J23/30B01J23/34B01J23/8892B01J23/8898B01J27/232B01J31/0225B01J31/06B01J35/19Y02A50/20
Inventor 杨公平赵艳军杨霞任骞牟婧牟海波韩永波
Owner 山东海润环保科技有限公司