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4-phenoxyphenol doped carbon nitride photocatalyst and preparation method and application thereof

A phenoxyphenol, carbon nitride light technology, applied in the field of photocatalysis, can solve problems such as unfavorable industrial large-scale production, cumbersome preparation process, long preparation time, etc., and achieves improved photocatalytic performance, simple synthesis method, and improved utilization. rate effect

Active Publication Date: 2020-11-20
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the prior art, the preparation process is cumbersome, the preparation time is long, and the cost of raw materials required is high, which is not conducive to large-scale industrial production. At the same time, there are few reports on the application in the degradation of indomethacin

Method used

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  • 4-phenoxyphenol doped carbon nitride photocatalyst and preparation method and application thereof
  • 4-phenoxyphenol doped carbon nitride photocatalyst and preparation method and application thereof
  • 4-phenoxyphenol doped carbon nitride photocatalyst and preparation method and application thereof

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Effect test

Embodiment 1

[0033] A kind of preparation of 4-phenoxyphenol doped carbon nitride photocatalyst comprises the following specific steps:

[0034] Disperse 3.0g of dicyandiamide and 0.01g of 4-phenoxyphenol in 20mL of absolute ethanol respectively, after mixing, stir magnetically at room temperature for 60min, ultrasonically for 30min, then heat and evaporate to dryness under magnetic stirring at 60-80°C , the obtained solid was calcined in a muffle furnace at 540-550°C for 4h, the heating rate was 5°C / min, and the 4-phenoxyphenol-doped carbon nitride photocatalyst PCN was obtained 0.01 .

Embodiment 2

[0036] A kind of preparation of 4-phenoxyphenol doped carbon nitride photocatalyst comprises the following specific steps:

[0037] Disperse 3.0g of dicyandiamide and 0.03g of 4-phenoxyphenol in 20mL of absolute ethanol respectively, after mixing, stir magnetically at room temperature for 60min, ultrasonically for 30min, then heat and evaporate to dryness under magnetic stirring at 60-80°C , the obtained solid was calcined in a muffle furnace at 540-550°C for 4h, the heating rate was 5°C / min, and the 4-phenoxyphenol-doped carbon nitride photocatalyst PCN was obtained 0.03 .

Embodiment 3

[0039] A kind of preparation of 4-phenoxyphenol doped carbon nitride photocatalyst comprises the following specific steps:

[0040]Separately disperse 3.0g of dicyandiamide and 0.05g of 4-phenoxyphenol in 20mL of absolute ethanol. After mixing, stir magnetically at room temperature for 60min, ultrasonicate for 30min, then heat and evaporate to dryness under magnetic stirring at 60-80°C , the obtained solid was calcined in a muffle furnace at 540-550°C for 4h, the heating rate was 5°C / min, and the 4-phenoxyphenol-doped carbon nitride photocatalyst PCN was obtained 0.05 .

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Abstract

The invention belongs to the technical field of photocatalytic materials, and discloses a 4-phenoxyphenol doped carbon nitride photocatalyst and a preparation method and application thereof. The photocatalyst is prepared by the following steps: respectively dispersing dicyandiamide and 4-phenoxyphenol into absolute ethyl alcohol, mixing, magnetically stirring and ultrasonically treating at room temperature, then magnetically stirring, heating and evaporating to dryness at 60-80 DEG C, putting the obtained solid into a muffle furnace, calcining at 540-550 DEG C at a heating rate of 5-6 DEG C / min, cooling to room temperature, and grinding with an agate mortar to obtain a series of PCN catalysts. The preparation method adopts a thermal polymerization method, is simple in synthesis process andgood in repeatability, and has basic conditions for large-scale production. The PCN 0.07 catalyst provided by the invention has good catalytic performance, and the PCN 0.07 catalyst can degrade IDM under the light of different light sources.

Description

technical field [0001] The invention belongs to the technical field of photocatalysis, and in particular relates to a 4-phenoxyphenol-doped carbon nitride (PCN) and its preparation method and application. Background technique [0002] As a non-steroidal anti-inflammatory drug, indomethacin is a non-corticosteroid anti-inflammatory and analgesic drug with strong effects. It inhibits the synthesis of cyclooxygenase and then inhibits the production of prostaglandins and other steroids. Thereby play the role of anti-inflammatory and analgesic, and its chemical properties are stable. Due to the lack of effective degradation of it in traditional sewage treatment plants, the concentration of indomethacin in the wastewater entering and leaving the treatment plant remains basically unchanged, and its content in natural water bodies shows a cumulative increase, which is harmful to ecological security and human health. There is a potential threat. Therefore, the environmental behavio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/06B01J27/24B01J37/08C02F1/30C02F101/34C02F101/36C02F101/38
CPCB01J31/06B01J27/24B01J37/082C02F1/30C02F2101/34C02F2101/36C02F2101/38C02F2305/10B01J35/39Y02W10/37
Inventor 刘国光谭翠雯钟嘉鹏张韵诗吕文吕文英陈平
Owner GUANGDONG UNIV OF TECH
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