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Device for degrading phenol sewage through combination of composite laser cavitation and activated carbon

A technology of activated carbon and sewage, applied in the direction of oxidized water/sewage treatment, water/sewage treatment, special compound water treatment, etc., can solve problems such as human body, water body and crop hazards, improve energy utilization rate, and promote cavitation generation rate , the effect of improving the degradation efficiency

Pending Publication Date: 2022-06-21
JIANGSU UNIV
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  • Application Information

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Problems solved by technology

If this organic wastewater is discharged without advanced treatment, it will cause serious harm to the human body, water bodies and crops.

Method used

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  • Device for degrading phenol sewage through combination of composite laser cavitation and activated carbon
  • Device for degrading phenol sewage through combination of composite laser cavitation and activated carbon

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Embodiment Construction

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0016] like figure 1 As shown, the present invention provides a device for degrading phenolic sewage by composite laser cavitation combined with activated carbon. The device is composed of a laser cavitation degradation system, a sewage circulation system, a water quality monitoring system and a cavitation auxiliary system.

[0017] The laser generating system consists of a lens-combined laser. The laser 3 and the total reflection mirror 4 are placed at an angle of 45 degrees on the plane and the center is facing the laser beam. The cavitation chamber 23 is connected by the inlet pipe 12 of the Venturi tube type, the water pump 11 controls the sewage in the sewage reservoir 10 to flow into the cavitation chamber 23, and the rotor 24 equipped with rotating blades in the chamber is facing the influent water flow, using The liquid pressure differ...

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Abstract

The invention relates to a device for degrading phenol sewage by combining composite laser cavitation and activated carbon, which comprises a cavitation bin, the cavitation bin is arranged on a three-dimensional mobile platform, a laser generating device is arranged above the cavitation bin, the cavitation bin is connected with a sewage storage tank through a water inlet pipe, a water pump is used for pumping sewage in the liquid storage tank into the cavitation bin, and the water pump is used for pumping the sewage in the liquid storage tank into the cavitation bin. The cavitation bin is connected with the liquid storage tank through a water outlet pipe, a secondary meter, a rotor for assisting stirring and an ultrasonic amplitude-change pole are mounted in the cavitation bin, and activated carbon particles for adsorbing organic pollutant molecules are arranged in the cavitation bin. According to the invention, the sewage is degraded and purified by hydroxyl free radicals with strong oxidizing property generated by a laser cavitation technology, and the cavitation degradation efficiency is optimized and improved by utilizing various cavitation assistance, activated carbon adsorption and heterogeneous nucleation principles.

Description

technical field [0001] The invention provides a treatment device for phenolic sewage, in particular to a composite advanced oxidation technology for the treatment of phenolic sewage. Background technique [0002] Phenolic pollutants are widely present in the sewage discharged from the production process of oil refining, coking, insulating materials, medical treatment, chemical industry and paper industry. If this organic wastewater is discharged without advanced treatment, it will bring serious harm to human body, water body and crops. [0003] The laser is focused in the water, and when the liquid breakdown threshold is reached, a periodically pulsating cavitation phenomenon occurs. When the cavitation collapses, the instantaneous temperature can reach 1900K, and the pressure in some areas is as high as 5.05 104KPa, which is far greater than the chemical bond of water molecules. Although the entire collapse process is very short, it is enough to complete the tearing of wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72C02F1/28C02F1/36G08B21/18C02F101/34
CPCC02F1/72C02F1/283C02F1/36G08B21/18C02F2101/345C02F2305/023
Inventor 任旭东徐薪超罗春晖顾嘉阳罗忠森
Owner JIANGSU UNIV
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