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Sulfonated polyaniline/silver bromide compound photocatalyst and preparation method thereof

A technology of sulfonated polyaniline and composite light, which is applied in the field of photocatalytic materials, to achieve the effect of solving easy agglomeration, reducing agglomeration, and simple preparation process

Inactive Publication Date: 2014-11-19
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the technical problems existing in the existing silver bromide photocatalyst, the present invention provides a sulfonated polyaniline / silver bromide composite photocatalyst and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: Add 1 g of sulfonated polyaniline (the number average molecular weight is 0.5 million), 1 g of γ-cyclodextrin and 1 g of polyvinylpyrrolidone to a 0.1mol / L hydrobromic acid solution, wherein sulfonated polyaniline and The HBr mass ratio is 1:1.8, stirred at 0°C for 1 hour, added 0.2 g of silver acetate solid, and continued to stir for 2 hours, then the product was filtered with suction, washed with ethanol and distilled water respectively, and collected after vacuum drying at 40°C to obtain sulfonate Polyaniline / silver bromide composite photocatalyst.

Embodiment 2

[0014] Example 2: Add 1 g of sulfonated polyaniline (number average molecular weight of 5,000), 1 g of γ-cyclodextrin and 1 g of polyvinylpyrrolidone to a 1 mol / L hydrobromic acid solution, wherein sulfonated polyaniline and HBr The mass ratio is 1:1.8, stirred at 0°C for 1 hour, added 0.2 g of silver nitrate solid, and continued to stir for 2 hours, then the product was filtered with suction, washed with ethanol and distilled water respectively, and collected after vacuum drying at 40°C to obtain sulfonated Polyaniline / silver bromide composite photocatalyst.

Embodiment 3

[0015] Example 3: Add 1 g of sulfonated polyaniline (number-average molecular weight of 0.5 million), 1 g of γ-cyclodextrin and 1 g of polyvinylpyrrolidone to a 0.1mol / L hydrobromic acid solution, wherein sulfonated polyaniline and The HBr mass ratio is 1:1.8, stirred at 100°C for 1h, added 0.2 g of silver acetate solid, and continued stirring for 2h, the product was filtered with suction, washed with ethanol and distilled water respectively, and collected after vacuum drying at 40°C to obtain sulfonate Polyaniline / silver bromide composite photocatalyst.

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PUM

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Abstract

The invention discloses a sulfonated polyaniline / silver bromide compound photocatalyst and a preparation method thereof, belonging to the technical field of photocatalytic materials. The preparation method comprises the steps of adding sulfonated polyaniline, gamma-cyclodextrin and polyvinylpyrrolidone which are equal in mass into a hydrobromic acid solution, stirring for 1h at the temperature of 0-100 DEG C, then adding a silver nitrate or silver acetate solid, continuously stirring for 2h, carrying out suction filtration on a product, respectively washing with alcohol and distilled water, vacuum-drying at the temperature of 40 DEG C and then collecting to prepare the sulfonated polyaniline / silver bromide compound photocatalyst. The sulfonated polyaniline / silver bromide compound photocatalyst has the advantages of simple preparation process, low cost, better photocatalytic activity and wide application range, and can be used as an effective photocatalytic material for treating wastewater containing organic pollutants such as phenols and dyes.

Description

technical field [0001] The invention belongs to the technical field of photocatalytic materials, and in particular relates to a sulfonated polyaniline / silver bromide composite photocatalyst and a preparation method thereof. Background technique [0002] With the development of modern industry and agriculture, a large number of toxic and harmful substances in people's production and life enter the water body, and the water environment on which human beings rely for survival and development has been seriously damaged. How to prevent further deterioration of the water environment has become one of the biggest environmental problems faced by countries all over the world. my country's water resources are relatively scarce, so the protection of water resources is particularly urgent and important. In order to protect water resources, industrial and domestic waste water must be strictly treated before being discharged. [0003] Organic wastewater has the characteristics of high c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/26
Inventor 夏友谊古绪鹏李腾姣陈均杨建国
Owner ANHUI UNIVERSITY OF TECHNOLOGY