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Preparation method and application of dark light catalytic non-photo-catalyst/activated carbon fiber composite material

A technology of activated carbon fibers and composite materials, applied in chemical instruments and methods, botany equipment and methods, applications, etc., can solve the problems of difficult recovery of non-photocatalyst, secondary pollution, high cost, etc., and achieve low cost of use, uniform film, Prepare simple effects

Inactive Publication Date: 2015-03-25
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the use of non-photocatalyst alone has the problems of being difficult to recycle, easily causing secondary pollution, high cost, and difficult to promote.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0029] Cut the activated carbon fiber to a size of 20×20cm. Then weigh and weigh 20g of the photocatalyst, add 200ml of high-purity water, put it in an ultrasonic cleaner for 30min at 80W and place it in a constant temperature water bath to stir evenly. Then, evenly spray the mixed photocatalyst on the surface of the activated carbon fiber, and dry it on an electric heating plate at a temperature of 60° C. for 1 hour. Prepare the required samples. The removal rate of formaldehyde of the prepared sample is 70%; the removal rate of PM2.5 is 50%; kill The bacteria disinfection rate is 60%; the deodorization and odor removal rate is 67%.

Embodiment example 2

[0031] After cutting the activated carbon fiber to a size of 20×20cm, punch rows of staggered holes, d 1 =1.0mm,d 2 =2.0mm. Then weigh and weigh 20g of the photocatalyst, add 200ml of high-purity water, put it in an ultrasonic cleaner for 30min at 80W and place it in a constant temperature water bath to stir evenly. Then, evenly spray the mixed photocatalyst on the surface of the activated carbon fiber, and dry it on an electric heating plate at a temperature of 60° C. for 1 hour. The required samples were obtained. The prepared sample has a removal rate of formaldehyde of 85%; PM2.5 removal rate of 80%; kill The bacteria disinfection rate is 97%; the deodorization and odor removal rate is 90%.

Embodiment example 3

[0033] After cutting the activated carbon fiber to a size of 20×20cm, punch rows of staggered holes, d 1 =1.0mm,d 2 =2.0mm. Then weigh 20g of the non-photocatalyst, add 200ml of high-purity water, put it in an ultrasonic cleaner for 30min at 80W and place it in a constant temperature water bath to stir evenly. Prepare the adhesive at the same time. The adhesive preparation method is as follows: take 100g of 4wt% glacial acetic acid solution, add chitin powder, put it in a digital display constant temperature water bath, stir and dissolve to make a 3% chitin powder solution. The temperature of the water bath is 60°C. Then take 50ml of chitin powder solution, add 450ml of high-purity water and mix well to prepare the adhesive. Finally, evenly spray the mixed photocatalyst on the surface of the activated carbon fiber, and dry it on an electric heating plate at a temperature of 60°C for 1 hour; then spray an adhesive to fix it on the surface of the activated carbon fiber, and ...

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Abstract

The invention belongs to the field of novel materials and photocatalysis and particularly relates to a preparation method and application of a dark light catalytic non-photo-catalyst / activated carbon fiber composite material. The dark light catalytic non-photo-catalyst / activated carbon fiber composite material is characterized by comprising a non-photo-catalyst, an activated carbon fiber raw material, an adhesive and water. The preparation method comprises the following steps: cutting the activated carbon fiber to required size and perforating; weighing the non-photo-catalyst, and adding water to form a non-photo-catalyst solution; preparing a chitin powder adhesive; spray coating the non-photo-catalyst solution onto the surface of the activated carbon fiber, drying, spray coating the adhesive onto the surface of the coated non-photo-catalyst solution to fix the adhesive on the surface of the activated carbon fiber, and drying. The dark light catalytic non-photo-catalyst / activated carbon fiber composite material can purify pollutants through adsorption and catalysis functions under dark light or sufficient light, the formaldehyde degradation efficiency within 1 hour reaches 99.9%, the load is firm, the specific surface area is high, and the composite material can be regenerated in situ under sunlight exposure or at low temperature of 60 DEG C.

Description

technical field [0001] The invention belongs to the field of novel materials and photocatalysis, and in particular relates to a preparation method and application of a dark photocatalyst non-photocatalyst / activated carbon fiber composite material. [0002] Background technique [0003] With the development of the economy and the improvement of people's living standards, decoration has gradually become popular. People have higher and higher requirements for the comfort, aesthetics and mechanization of living rooms and offices, and the decoration density is also getting higher and higher. However, the indoor air pollution caused by substandard decoration materials, building materials and indoor furniture is also increasing. getting worse. Formaldehyde released from decoration materials has become the "No. 1 pollutant" in indoor air. At present, the methods for dealing with indoor formaldehyde mainly include: filtration, adsorption, plasma, ozone oxidation, etc. However, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/18B01J35/06B01J20/20B01J20/28B01D53/86B01D53/72A01N59/00A01P1/00A61L9/014
Inventor 张延宗吴凌姗马坤粟东刘燕黄成毅杨刚沈飞邓仕槐张小洪
Owner SICHUAN AGRI UNIV
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