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A kind of purification particle and preparation method thereof

A technology for purifying particles and carriers, which is applied to chemical instruments and methods, separation methods, and separation of dispersed particles. It can solve the problems of increased concentration and low purification efficiency, improve purification efficiency, reduce raw material costs, and facilitate recycling and reuse. Effect

Active Publication Date: 2021-07-02
SICHUAN COLLEGE OF ARCHITECTURAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to overcome the deficiency of low purification efficiency of existing purification materials, and provide a kind of purification particle and its preparation method; The purification particle of the present invention has microporous pore structure, and this microporous pore structure not only increases solid and pollutant The contact area makes the purification particles have a stronger adsorption capacity for pollutants, and can also make the pollutants reside in the micropore pore structure to prevent them from overflowing, increase the concentration of pollutants in the micropore pore structure, and make the viscous coating more resistant to pollution. The degradation rate of the particles is faster and the purification is more thorough, thus improving the purification efficiency of the purification particles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Preparation of viscous coating: first dissolve 0.2 parts of sodium hexametaphosphate into 70 parts of water to form a solution, then disperse 2 parts by weight of nano-titanium dioxide in the solution to obtain a suspension; Parts of propylene glycol, 0.3 parts of Tween, 0.3 parts of Span, 5 parts of calcium carbonate, 3 parts of talc, 2 parts of kaolin, 12 parts of amorphous silica, and 3 parts of acrylate were added to the suspension In the liquid, after mixing evenly, a viscous coating is obtained;

[0030] (2) Carrier preparation: after cleaning waste construction bricks, drying, crushing and sieving to obtain a carrier with a particle size of 3 mm;

[0031] (3) Preparation of purification granules: take 10 parts by weight of the carrier and immerse in the viscous coating, take it out after stirring for 10 minutes, and dry to obtain the purification granules of the present invention.

Embodiment 2

[0033] (1) Preparation of viscous coating: first dissolve 0.1 part of sodium hexametaphosphate into 60 parts of water to form a solution, then disperse 1 part by weight of nano-silica in the solution to obtain a suspension; then in the process of stirring Add 6 parts of propylene glycol, 0.5 parts of Tween, 0.2 parts of Span, 4 parts of calcium carbonate, 4 parts by weight of kaolin, 8 parts of amorphous silicon dioxide, and 5 parts of polyurethane into the suspension, mix Viscous paint is obtained after uniformity;

[0034] (2) Carrier preparation: After cleaning the waste concrete blocks, drying, crushing, and sieving to obtain a carrier with a particle size of 5 mm;

[0035] (3) Preparation of purification granules: take 10 parts by weight of the carrier and immerse in the viscous coating, take it out after stirring for 8 minutes, and dry to obtain the purification granules of the present invention.

Embodiment 3

[0037] (1) Preparation of viscous coating: first dissolve 0.3 parts of sodium hexametaphosphate into 80 parts of water to form a solution, then disperse 3 parts by weight of nano-zinc oxide in the solution to obtain a suspension; 3 parts of propylene glycol, 0.2 parts of Tween, 0.5 parts of Span, 6 parts of talcum powder, 6 parts of kaolin, 15 parts of diatomaceous earth, and 2 parts of acrylate are added to the suspension, and mixed uniformly to obtain sticky paint;

[0038] (2) Carrier preparation: After cleaning the pumice stone, drying, crushing, and sieving to obtain a carrier with a particle size of 2mm;

[0039] (3) Preparation of purification granules: immerse an appropriate amount of carrier in the viscous paint, take it out after stirring for 12 minutes, and dry to obtain the purification granules of the present invention.

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Abstract

The invention discloses a purification granule, which comprises: a carrier and a viscous coating loaded on the carrier and having the function of degrading pollutants; the purification granule has a microporous pore structure; the purification granule utilizes the microporous pore structure It not only increases the contact area between solids and pollutants, but also makes the purification particles have a stronger adsorption capacity for pollutants, and can also make pollutants reside in the micropore pore structure to prevent them from overflowing, increasing the concentration of pollutants in the micropore pore structure. The concentration makes the viscous paint degrade the pollutants faster and purify more thoroughly, thus improving the purification efficiency of the purified particles.

Description

technical field [0001] The invention relates to the field of environmental protection materials, in particular to the field of purification materials, in particular to a purification particle and a preparation method thereof. Background technique [0002] At present, the purification of pollutants can be roughly divided into two categories: physical purification and chemical purification according to the purification principle. Physical purification refers to the method of removing pollutants through physical adsorption, precipitation, etc. Although it has the advantages of quickness and convenience, it also has the defects of secondary pollution and incomplete purification; chemical purification refers to the removal of pollutants through chemical reactions. Although the method of transforming into non-polluting substances has the advantages of thorough purification, it also has the disadvantages of low efficiency and high cost; therefore, in order to achieve fast, efficien...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/86B01D53/02B01D53/72
CPCB01D53/02B01D53/8668B01D2255/20707B01D2255/20738B01D2255/20776B01D2255/20792B01D2255/2094B01D2255/802B01D2257/708
Inventor 颜子博
Owner SICHUAN COLLEGE OF ARCHITECTURAL TECH
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