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A photocatalytic reaction device and process for treating rose bengal b high-salt wastewater

A photocatalytic reaction and high-salt wastewater technology, applied in the direction of physical/chemical process catalysts, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of light stability and insufficient photocatalytic performance, and achieve high use value and applicable The effect of wide range and good application prospect

Active Publication Date: 2022-04-12
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still problems such as insufficient photostability and photocatalytic performance in existing photocatalytic materials, so how to further improve the photostability and photocatalytic performance of materials is a technical problem that needs to be solved urgently in this field

Method used

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  • A photocatalytic reaction device and process for treating rose bengal b high-salt wastewater
  • A photocatalytic reaction device and process for treating rose bengal b high-salt wastewater
  • A photocatalytic reaction device and process for treating rose bengal b high-salt wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Such as figure 1 and figure 2 As shown, a photocatalytic reaction device for treating Rose Bengal B high-salt wastewater includes a transparent casing 1, an aerator 2 is arranged inside the transparent casing 1, and a light-concentrating film 3 is arranged under the aerator 2 for aeration. A transparent casing 4 equipped with a light source is also arranged above the device 2 .

[0054] In this embodiment, the transparent casing 1 is made of transparent material, wherein the transparent material is polymethyl methacrylate, which has good light transmission and strong plasticity.

[0055] In this embodiment, the aerator 2 is a miniature aerator, installed at a distance of 5 cm from the lowest point of the transparent shell 1, the aeration hole of the aerator 2 faces the lowest point of the transparent shell 1, and the installation method is a cross installation. The spacing is 16cm. In this embodiment, a micro-aerator is arranged in the transparent housing 1, and the...

Embodiment 2

[0060] A photocatalytic reaction device for treating Rose Bengal B high-salt wastewater includes a transparent casing 1, an aerator 2 is arranged inside the transparent casing 1, and a light-concentrating film 3 is arranged below the aerator 2.

[0061] In this embodiment, the transparent casing 1 is made of transparent material, wherein the transparent material is polymethyl methacrylate, which has good light transmission and strong plasticity.

[0062] In this embodiment, the aerator 2 is installed at a distance of 5 cm from the lowest point of the transparent shell 1, and the aeration hole of the aerator 2 faces the lowest point of the transparent shell 1, and the installation method is cross installation, and the installation distance is 20 cm. In this embodiment, an aerator 2 is arranged in the transparent housing 1, and the photocatalytic material can be fully contacted with the reaction system (waste water) by continuously blowing air during use, so that the photocatalyt...

Embodiment 3

[0065] A process for treating Rose Bengal B high-salt wastewater, specifically using the photocatalytic reaction device in Example 2 to treat Rose Bengal B high-salt wastewater, and its process flow chart is as follows image 3 shown, including the following steps:

[0066] S1, the Na 2 SO 4The mass percentage content 1%, 5%, 12%, 18%, 21% rose bengal B high-salt waste water (volume is 40L, and the concentration of rose bengal B is 20mg / L) is added to the photocatalysis of embodiment 2 respectively In the reaction device, add 10g of silver phosphate composite photocatalyst, stir in the dark for 30min to make it mix evenly and reach the adsorption-desorption equilibrium, carry out the degradation reaction under sunlight for 10min, at the same time, turn on the photocatalytic reaction device Aerator for aeration.

[0067] S2, after the degradation reaction of step S1 is completed, the wastewater in the photocatalytic reaction device is added to the sedimentation tank (convent...

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Abstract

The invention discloses a photocatalytic reaction device and process for treating Rose Bengal B high-salt wastewater. The photocatalytic reaction device comprises a transparent casing, an aerator is arranged inside the transparent casing, and a light-condensing film is arranged under the aerator. The process uses a photocatalytic reaction device to treat Rose Bengal B high-salt wastewater. The photocatalytic reaction device of the present invention has the advantages of simple structure, low cost, high light source utilization rate, wide application range, etc., can be widely used for treating rose bengal B high-salt wastewater, and can realize effective degradation of rose bengal B in high-salt wastewater, It has high use value and good application prospect. The process of treating Rose Bengal B high-salt wastewater by using a photocatalytic reaction device in the present invention has the advantages of simple process, good treatment effect, strong versatility, etc., can realize efficient removal of Rose Bengal B in high-salt wastewater, and is useful for effectively treating high-salt wastewater The rose red B in it has a very important meaning.

Description

technical field [0001] The invention belongs to the technical fields of photocatalytic application of semiconductor materials and environmental protection, and relates to a photocatalytic reaction device and a process for treating Rose Bengal B high-salt wastewater. Background technique [0002] In recent years, with the rapid development of the chemical industry, the discharge of chemical wastewater is huge, accounting for 60-70% of the total discharge of industrial wastewater. Traditional chemical wastewater not only contains high concentrations of refractory organic pollutants, such as dyes, benzene, antibiotics and other organic substances, but also contains high concentrations of salt. For example, dye wastewater, which not only contains high concentration of dyes, such as rose bengal B, etc., but also contains Cl - , SO 4 2- 、Na + , Ca 2+ high concentrations of salts. A variety of physical and chemical methods and biological methods can be used for the treatment ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/30C02F1/72C02F1/74B01J31/38C02F101/34C02F101/36C02F101/38
CPCC02F1/30C02F1/725C02F1/74B01J31/38C02F2305/10C02F2101/34C02F2101/36C02F2101/38C02F2201/002B01J35/39
Inventor 杨春平于啸超林燕马寅聂丽君江利梅张秋婷钟袁元
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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