Catalytic agent for denitrating smoke and preparation technology thereof

A preparation process and catalyst technology, which is applied in the field of denitrification catalysts, can solve the problems of reducing catalyst service life, catalyst poisoning, denitrification performance, etc., and achieve the effects of reducing conversion rate, reducing adsorption, and improving mechanical strength and wear resistance

Active Publication Date: 2011-08-31
HUADIAN QINGDAO ENVIRONMENTAL TECHNOLOCY CO LTD
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Problems solved by technology

The flue gas denitrification catalyst used in the prior art, when the flue gas contains a large amount of sulfide and soot, the sulfide and soot will adhere to the surface of the flue gas denitrification catalyst, poisoning the catalyst, resulting in a decline in its denitrification performance; soot wear Catalyst reduces catalyst service life

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  • Catalytic agent for denitrating smoke and preparation technology thereof
  • Catalytic agent for denitrating smoke and preparation technology thereof

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] The catalyst for flue gas denitrification in this embodiment is made of the following raw materials in parts by weight: titanium dioxide 60%-90%, tungsten trioxide 3%-9%, vanadium pentoxide 0.5%-3%, Organic binder 2%-5%, inorganic binder 10%-20%, glass fiber 7%-10%, plasticizer 2%-4%, water 20%-40%, lubricant 2%-4 %, surface activity 0.1%-...

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Abstract

The invention provides a catalytic agent for denitrating smoke and a preparation technology thereof. The catalytic agent for denitrating the smoke comprises the raw materials based on parts by weight as follows: 60%-90% of titanium dioxide, 3%-9% of tungsten trioxide, 0.5-3% of vanadium pentoxide, 2%-5% of organic binder, 10%-20% of inorganic binder, 7%-10% of glass fiber, 2%-4% of plasticizer, 20%-40% of water, 2%-4% of lubricant, 0.1%-1% of surface active agent and 3%-9% of neutralizer. After the content of the tungsten trioxide is reasonably proportioned, on the premise of guaranteeing thedenitration performance of the catalytic agent for denitrating the smoke, the absorption to sulfur dioxide is reduced, the SO2/SO3 conversion percentage is reduced, and the high-sulfur and high-ash use requirement of the coal quality in China is met.

Description

technical field [0001] The invention relates to a denitration catalyst, in particular to a catalyst for flue gas denitration and a preparation process thereof. Background technique [0002] Nitrogen oxides (including NO, NO2, or NOX for short) are usually produced by stationary pollution sources such as industrial boilers, gas turbines, and coal-fired power plants, and are one of the most important air pollutants today. The acid rain and photochemical smog caused by it have a serious impact on soil and water ecosystems; in addition, NOX can also cause greenhouses and promote the conversion of O3 into O2 in large quantities, destroying the ozone layer. Nitrogen oxides not only damage the environment, but also directly endanger human health. Selective Non-Catalytic Reduction (hereinafter referred to as: SCR) flue gas denitrification technology is one of the most widely used and most efficient technologies among many denitrification technologies. SCR flue gas denitrification t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/30B01J35/04B01D53/90B01D53/56
Inventor 杜庆洪吴庆祝赵艳军高春昱于宁王金锋孙静楠
Owner HUADIAN QINGDAO ENVIRONMENTAL TECHNOLOCY CO LTD
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