Capacity expansion method of wastewater photochemical degradation reactor combining titanium dioxide catalyst

A degradation reactor and titanium dioxide technology, applied in the direction of oxidized water/sewage treatment, light water/sewage treatment, etc., can solve the problems of small wastewater treatment capacity in a single tank and unsatisfactory utilization of microwave energy, etc., to achieve the improvement of treatment capacity, The effect of expanding the design volume

Inactive Publication Date: 2013-01-02
NINGBO UNIV
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to develop a method that can solve the above-mentioned problems in view of the shortcomings in the above-mentioned prior art, that is, the unsatisfactory utilization of microwave energy and the relatively small amount of wastewater in a single tank

Method used

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Embodiment Construction

[0020] The implementation of the method in this case, the main steps are as follows:

[0021] 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 function of the cage-like microwave confinement device is to confine the microwave irradiated airspace inside, thereby constructing a microwave weak radiation space or microwave zero-irradiation space between the outer wall of the cage-like microwave confinement device and the inner wall of the reactor. airspace;

[0022] b,...

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Abstract

The invention relates to a capacity expansion method of wastewater photochemical degradation reactor combining titanium dioxide catalyst, which belongs to the technical field of wastewater treatment. The prior art has the problems of nonideal microwave energy utilization, small single pot wastewater treating capacity and the like, and the method aims at solving the problems. The method comprises the main steps that an electrodeless ultraviolet lamp is further wrapped in a quartz tube through a cage-shaped microwave restraint made of metal material; a waveguide tube is communicated with the cavity of the microwave restraint; the waveguide tube is positioned inside the reactor, so that microwave weak irradiation air space or microwave zero irradiation air space is established between the outer wall of the cage-shaped microwave restraint and the inner wall of the reactor; the method further comprises the step of extending and expanding the size of the microwave weak irradiation air space or the microwave zero irradiation air space inside the reactor in the three-dimensional direction; and the problems are solved through the main steps, and the reactor is allowed to be greatly expanded through the method.

Description

technical field [0001] The invention relates to a method for expanding the capacity of a wastewater photochemical degradation reactor combined with a titanium dioxide catalyst, and belongs to the technical field of CO2F wastewater treatment. Background technique [0002] Microwave photocatalytic degradation treatment technology, as an effective harmless treatment technology for industrial wastewater containing organic pollutants, has developed rapidly 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 a q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/32C02F1/30C02F1/78
Inventor 李榕生干宁任元龙李天华孔祖萍周汉坤孙杰
Owner NINGBO UNIV
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