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Loaded type graphite phase like carbon nitride photocatalyst and application thereof to photocatalytic degradation of formaldehyde

A technology of graphite phase carbon nitride and phase carbon nitride light, which is applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of unobvious degradation efficiency and achieve broad application prospects and Market value, simple preparation method, good stability effect

Inactive Publication Date: 2018-11-23
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used methods for indoor air purification include plant absorption purification method, ventilation method, physical adsorption method, etc., but the degradation efficiency of these methods is not obvious

Method used

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  • Loaded type graphite phase like carbon nitride photocatalyst and application thereof to photocatalytic degradation of formaldehyde
  • Loaded type graphite phase like carbon nitride photocatalyst and application thereof to photocatalytic degradation of formaldehyde
  • Loaded type graphite phase like carbon nitride photocatalyst and application thereof to photocatalytic degradation of formaldehyde

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1) Weigh 10g of urea and put it in a crucible with a lid.

[0026] 2) Put the crucible in a muffle furnace, raise the temperature from room temperature to 550°C at a heating rate of 2°C / min and keep it warm for 2 hours, and then cool down to room temperature naturally.

[0027] 3) After the reaction, weigh and grind the obtained sample.

Embodiment 2

[0029] 1) Weigh 0.05 g of the prepared graphite-like carbon nitride powder with an electronic balance.

[0030] 2) Measure 200ml of distilled water and put it in a beaker. Put the weighed graphite-like carbon nitride in water, stir it evenly, put it into the bracket, and arrange the glass fiber on the bracket, so that the glass fiber cloth is in the center of the solution, and stir for 24 hours to make it evenly loaded.

[0031] 3) Put the glass fiber cloth loaded with graphite-like carbon nitride into an oven, and dry at 110° C. to obtain the glass fiber cloth loaded with graphite-like carbon nitride.

Embodiment 3

[0033] 1) Weigh 0.10 g of the prepared graphite-like carbon nitride powder with an electronic balance.

[0034] 2) Measure 200ml of distilled water and put it in a beaker. Put the weighed graphite-like carbon nitride in water, stir it evenly, put it into the bracket, and arrange the glass fiber on the bracket, so that the glass fiber cloth is in the center of the solution, and stir for 24 hours to make it evenly loaded.

[0035] 3) Put the glass fiber cloth loaded with graphite-like carbon nitride into an oven, and dry at 110° C. to obtain the glass fiber cloth loaded with graphite-like carbon nitride.

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Abstract

The invention discloses a loaded type graphite phase like carbon nitride photocatalyst and application thereof to photocatalytic degradation of formaldehyde. According to the photocatalyst, urea is sintered in a muffle furnace to obtain powder bodies with uniform size distribution, and then the powder bodies are fixedly loaded on glass fiber cloth to obtain the loaded type visible-light-induced photocatalyst with high efficiency. The invention discloses a preparation method and application of the loaded type graphite phase like carbon nitride photocatalyst. The method is characterized by comprising the following steps: 1, preparing the graphite phase like carbon nitride photocatalyst powder bodies; 2, loading the graphite phase like carbon nitride on the glass fiber cloth; 3, performing photocatalytic degradation application on the formaldehyde with high concentration. The preparation method disclosed by the invention is simple and quick, and economic and environmentally friendly; moreover, the obtained loaded type graphite phase like carbon nitride photocatalyst has the advantages of convenience in circulating application, and has good visible light photocatalytic degradation performance and stability on the formaldehyde.

Description

technical field [0001] The invention relates to a supported graphite-like phase carbon nitride photocatalyst and its application to photocatalytic degradation of formaldehyde, belonging to the technical field of environmentally friendly photocatalytic materials. Background technique [0002] With the development of society and the advancement of science and technology, people's living standards are also constantly improving. Whether it is an office or a residence, people will carry out certain decorations, and the decoration products often contain formaldehyde. Formaldehyde is a volatile organic compound that is colorless and has a pungent odor. When the content of formaldehyde in the air exceeds a certain concentration, people will feel headache, nausea, vomiting, and limb weakness in a short period of time. Long-term inhalation of the human body can damage the internal organs, blood, brain and nervous system of the human body, and even lead to the decline of the human body...

Claims

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Application Information

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IPC IPC(8): B01J27/24B01D53/86B01D53/72
CPCB01D53/007B01D53/8668B01J27/24B01D2255/802B01D2259/4508B01D2259/80B01J35/39
Inventor 胡钰晴陈智杨秀茹杨倩
Owner CHINA JILIANG UNIV
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