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Photocatalysis waste water degradation reactor capacity expanding method with improved catalyst for interception

A waste water degradation and reactor technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of making good use of the charge characteristics of photocatalyst particles and achieve maintenance Ultraviolet light permeability, overcoming the excessive difference before and after, and avoiding the effect of secondary pollution

Inactive Publication Date: 2013-12-25
李榕生
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0050] This CN102260003A scheme does not make good use of the charging characteristics of photocatalyst particles, which is the seventeenth problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0115] The implementation of the method in this case, the main steps are as follows:

[0116] a, The electrodeless ultraviolet lamp located in the quartz tube is covered by a cage-shaped microwave confinement device made of metal, so that the electrodeless ultraviolet lamp is inside the cage-shaped microwave confinement device, and the overall structural position of the cage-shaped microwave confinement device It is also inside the quartz tube, which is a component used for gas-liquid phase isolation and screen protection. The quartz tube is located inside the reactor, and the cage-shaped microwave confinement device is a cage-shaped metal component , the structure of the cage-like microwave confinement device is covered with holes or meshes, and the cage-like microwave confinement device is a metal cage. This constructs a microwave weak radiation space or a microwave zero radiation space between the outer wall of the cage-like microwave confinement device and the inner wall o...

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Abstract

The invention relates to a photocatalysis waste water degradation reactor capacity expanding method with improved catalyst for interception, and belongs to the field of waste water treatment technology. Compared to the related technology, the invention solves a series of problems, such as small single pot waste water processing amount, lost catalyst, difficultly distinguished degradation terminal point, lacked real time supervision step of electrodeless lamp function state, lacked quartz chamber water inrush prevention measure, bad utilization of catalyst charged characteristics or the like. The invention mainly comprises the following steps: isolating microwave irradiation spatial domain; expanding reactor dimension; intercepting catalyst particles of micron and nano scales with filter containing charged negative electricity filter membrane; sensing reaction process by an ozone sensor and turning off related power supplies at degradation terminal point; actively detecting the main inducement parameter of catalyst agglomeration and automatically emitting alarm when exceeding the time limit; exploring the reactor inner cavity with fiber, and actively supervising the function state of the electrodeless lamp for facilitating related operation persons to replace the light fixture timely before the electrodeless lamp is complete failure.

Description

technical field [0001] The invention relates to a method for expanding the capacity of a photocatalytic waste water degradation reactor with improved catalyst interception, and belongs to the technical field of CO2F waste water treatment. Background technique [0002] Microwave photocatalytic degradation treatment technology, as an effective harmless treatment technology for industrial wastewater containing organic pollutants, has attracted much attention in recent years. [0003] Regarding the microwave photocatalytic degradation technology, as an example, refer to the Chinese patent application with publication number CN102260003A. [0004] The Chinese patent application with the publication number CN102260003A uses microwaves as the excitation source to excite the electrodeless ultraviolet lamp to emit ultraviolet rays, and irradiates the suspension mixed with photocatalyst titanium dioxide inside the liquid. The electrodeless ultraviolet lamp is shrouded and protected by...

Claims

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Application Information

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IPC IPC(8): C02F9/08
Inventor 李榕生
Owner 李榕生