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High-efficiency adsorption material for flue gas purification

An adsorption material and flue gas purification technology, applied in other chemical processes, chemical instruments and methods, combined devices, etc., can solve the problems of energy consumption, high difficulty in adsorbent development, increase in flue gas treatment costs, etc., and achieve good adsorption. Effect

Inactive Publication Date: 2019-02-22
合肥易美特建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flue gas treatment process of this technical solution is very energy-intensive. The treatment process needs to charge the adsorbent dust and fully mix it with the flue gas. The development of the adsorbent is difficult, and the flue gas treatment is difficult. These will greatly increase the cost of flue gas treatment. Even if it has a certain environmental protection value, but the economic benefit is poor, it is not suitable for large-scale promotion and application
Also, this approach works for SO 2 , CO, hydrocarbons, nitrogen oxides and other difficult-to-condense gaseous pollutants, as well as some volatile heavy metals and other pollutants, the treatment effect is not outstanding, and the treatment effect on flue gas pollutants is not sufficient

Method used

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  • High-efficiency adsorption material for flue gas purification
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  • High-efficiency adsorption material for flue gas purification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A high-efficiency adsorption material for flue gas purification, the adsorption material is composed of a catalytic adsorption carrier and an absorption layer attached to the surface of the catalytic adsorption carrier; according to the mass parts, the components of the catalytic adsorption carrier include: 80 parts of activated carbon, 40 parts of silicon nitride, 20 parts of zeolite powder, 12 parts of titanium dioxide, 6 parts of aluminum sulfate, 2 parts of nano zinc oxide, 6 parts of polyvinyl alcohol, 35 parts of water; the components of the absorption layer include: 30 parts of pregelatinized starch, 6 parts of dextran, 3 parts of ethylene urea, 2 parts of diethylenetriamine, 2 parts of histidine, 0.8 parts of nano silver colloid, 1.5 parts of dicumyl peroxide, 200 parts of deionized water.

[0032] Among the components, titanium dioxide is selected from anatase type titanium dioxide.

[0033] Dextran type α-glucan is selected as the dextran.

[0034] The prepar...

Embodiment 2

[0046] A high-efficiency adsorption material for flue gas purification, the adsorption material is composed of a catalytic adsorption carrier and an absorption layer attached to the surface of the catalytic adsorption carrier; in terms of parts by mass, the components of the catalytic adsorption carrier include: 95 parts of activated carbon, 45 parts of silicon nitride, 30 parts of zeolite powder, 18 parts of titanium dioxide, 10 parts of aluminum sulfate, 4 parts of nano zinc oxide, 8 parts of polyvinyl alcohol, 40 parts of water; the components of the absorption layer include: 40 parts of pregelatinized starch, 8 parts of dextran, 7 parts of ethylene urea, 5 parts of diethylene triamine, 3.6 parts of histidine, 1.7 parts of nano silver colloid, 2.3 parts of dicumyl peroxide, 260 parts of deionized water.

[0047] Among the components, titanium dioxide is selected from rutile type titanium dioxide.

[0048] Dextran type α-glucan is selected as the dextran.

[0049] The prepa...

Embodiment 3

[0061] A high-efficiency adsorption material for flue gas purification, the adsorption material is composed of a catalytic adsorption carrier and an absorption layer attached to the surface of the catalytic adsorption carrier; in parts by mass, the components of the catalytic adsorption carrier include: 88 parts of activated carbon, 43 parts of silicon nitride, 25 parts of zeolite powder, 14 parts of titanium dioxide, 8 parts of aluminum sulfate, 3.4 parts of nano zinc oxide, 7 parts of polyvinyl alcohol, 38 parts of water; the components of the absorption layer include: 36 parts of pregelatinized starch, 7 parts of dextran, 6 parts of ethylene urea, 3.5 parts of diethylenetriamine, 3.1 parts of histidine, 1.2 parts of nano-silver colloid, 1.9 parts of dicumyl peroxide, and 240 parts of deionized water.

[0062] Among the components, titanium dioxide is selected from anatase type titanium dioxide.

[0063] Dextran type α-glucan is selected as the dextran.

[0064] The prepara...

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Abstract

The invention relates to the technical field of environmentally friendly adsorption materials, in particular to a high-efficiency adsorption material for flue gas purification. The adsorption materialis composed of a catalytic adsorption carrier and an absorption layer attached to the surface of the catalytic adsorption carrier. The catalytic adsorption carrier includes activated carbon, siliconnitride, zeolite powder, titanium dioxide, aluminum sulfate, nano zinc oxide, polyvinyl alcohol and water. The absorption layer includes pregelatinized starch, glucan, ethylene urea, diethylenetriamine, histidine, nano silver glue, dicumyl peroxide and deionized water. The titanium dioxide is anatase type titanium dioxide or rutile titanium dioxide. The glucan is dextran type alpha-glucan. The adsorption material has a very good cleaning effect on gas pollutants, organic volatile pollutants and heavy metal pollutants and the like in the flue gas.

Description

technical field [0001] The invention relates to the technical field of environmentally friendly adsorption materials, in particular to an efficient adsorption material used for flue gas purification. Background technique [0002] In recent years, my country's economic level has developed rapidly, but at the same time, serious air pollution problems such as smog have also occurred. With the continuous improvement of economic conditions and knowledge levels, people are paying more and more attention to environmental pollution issues. In order to protect the environment, the government has also introduced a large number of environmental protection measures to prevent and control air pollution. The hazards of air pollution such as smog mainly lie in the large amount of suspended particles and volatile organic compounds in the air; the flue gas produced by coal-fired industrial kilns is one of the causes of air pollution; The gas shall be treated and discharged only after the tre...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/24B01J20/22B01D50/00B01D53/02
CPCB01J20/261B01D50/00B01D53/02B01J20/22B01J20/24
Inventor 朱明静
Owner 合肥易美特建材有限公司
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