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Graphene modified air purification material and preparation method thereof

An air purification material and graphene modification technology, applied in the field of environmental protection and air purification, can solve the problems of secondary pollution, incomplete removal of harmful gases, short life, etc., and achieve the effect of strong adsorption

Pending Publication Date: 2020-02-14
南京领丰新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, physical adsorption cannot completely remove harmful gases such as formaldehyde and hydrogen sulfide; at the same time, activated carbon will not decompose harmful gases after adsorption saturation but will re-release harmful gases to form secondary pollution
Therefore, the physical adsorption method of activated carbon has short life and poor use effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a graphene-modified air purification material and a preparation method thereof. The graphene-modified air purification material includes: A particles and B particles; wherein, the A particles are polar, porous adsorption particles loaded with graphene; the B particles are catalyst carrier particles loaded with an oxidant, The weight ratio of A granule and B granule is 1:1, and the diameter is 2mm.

[0035] The porous adsorption particles are a mixture of 10 parts by weight of zeolite, 30 parts of sepiolite, 15 parts of diatomite, 20 parts of perlite, and 25 parts of attapulgite, and the particle size is less than 500 mesh, and the adsorption pores are 0.2 nm; the oxidant is potassium permanganate, and the catalyst carrier particles are activated alumina particles.

[0036] The preparation method of the graphene-modified air-purifying material of the present embodiment may further comprise the steps:

[0037] Step S101, preparing a tackifier so...

Embodiment 2

[0050] This embodiment provides a graphene-modified air purification material and a preparation method thereof. The graphene-modified air purification material includes: A particles and B particles; wherein, the A particles are polar, porous adsorption particles loaded with graphene; the B particles are catalyst carrier particles loaded with an oxidant, The weight ratio of A granule and B granule is 8:2, and the diameter is 3mm.

[0051] The porous adsorption particles are a mixture of 15 parts by weight of zeolite, 30 parts of sepiolite, 10 parts of diatomite, 15 parts of perlite, and 30 parts of attapulgite, and the particle size is less than 500 mesh, and the adsorption pores are 1.5 parts. nm; the oxidant is potassium permanganate, and the catalyst carrier particles are activated alumina particles.

[0052] The preparation method of the graphene-modified air-purifying material of the present embodiment may further comprise the steps:

[0053] Step S201, preparing a tacki...

Embodiment 3

[0066] This embodiment provides a graphene-modified air purification material and a preparation method thereof. The graphene-modified air purification material includes: A particles and B particles; wherein, the A particles are polar, porous adsorption particles loaded with graphene; the B particles are catalyst carrier particles loaded with an oxidant, The weight ratio of A granule and B granule is 2:8, and the diameter is 5mm.

[0067] The porous adsorption particles are a mixture of 10 parts by weight of zeolite, 35 parts of sepiolite, 15 parts of diatomite, 15 parts of perlite, and 25 parts of attapulgite, and the particle size is less than 500 mesh, and the adsorption pores are 0.8 nm; the oxidant is potassium permanganate, and the catalyst carrier particles are activated alumina particles.

[0068] The preparation method of the graphene-modified air-purifying material of the present embodiment may further comprise the steps:

[0069] Step S301, preparing a tackifier so...

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Abstract

The invention provides a graphene modified air purification material and a preparation method thereof, and aims to solve the problems of incomplete air purification and low efficiency in the prior art. The air purification material is a mixture of particles A and particles B, wherein the particles A are polar porous adsorption particles loaded with graphene, the particles B are catalyst carrier particles loaded with an oxidizing agent, adsorbed harmful gas is decomposed, and the particles A and the particles B purify air synergistically. The adsorption specific surface area is increased through the graphene, and the particles A are polar substances, so that adsorption of harmful gas molecules such as formaldehyde, benzene, hydrogen sulfide and ammonia is facilitated; meanwhile, the oxidizing agent loaded on the particles B is in complete contact with harmful gas to oxidize and decompose the harmful gas into harmless solid particles or harmless gas. Most harmful gas molecules are purified through the synergistic effect of efficient adsorption and oxygenolysis of the particles A and the particles B, and secondary pollution is avoided.

Description

technical field [0001] The invention belongs to the field of environmental protection and air purification, and in particular relates to a graphene-modified air purification material and a preparation method thereof. Background technique [0002] People's daily life stays indoors most of the time. Indoor environmental pollutants and pollution sources mainly include volatile gases, mold, particulate matter, decoration residues, second-hand smoke, etc. Among them, volatile organic compounds (volatile organic compounds, VOCs) include formaldehyde, benzene and other toxic gases. To purify the air in the indoor environment, the method of adsorption is usually used to remove harmful components in the indoor air, improve and improve living and office conditions, and improve physical and mental health. [0003] In the prior art, the air purification material is mainly based on activated carbon physical adsorption. However, physical adsorption cannot completely remove harmful gases...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/28B01J20/30B01J23/34B01J35/02B01D53/86B01D53/72B01D53/58B01D53/52B01D53/02
CPCB01J20/20B01J23/34B01J20/28016B01D53/8668B01D53/8634B01D53/8612B01D2257/7027B01D2257/708B01D53/02B01J35/50
Inventor 周明
Owner 南京领丰新材料科技有限公司
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