Microwave photochemical catalytic wastewater degradation reactor dilatation method capable of depleting ozone

Abstract

The invention relates to a microwave photochemical catalytic wastewater degradation reactor dilatation method capable of depleting ozone, and belongs to the technical field of wastewater treatment. In the related prior art, the problems that the microwave energy is wasted, the single-pot wastewater treatment capacity is small, the internal large circulation strength is insufficient, the oxygen supply concentration ratio of key areas is not enough, the interception link of catalyst particles is poor, the end moment of degradation reaction is difficult to discern, and the like exist. Aiming at the problems, the method disclosed by the invention comprises the following main steps: restricting a microwave irradiation airspace by using a metal cage so as to facilitate the great dilatation of a reactor; intensively releasing a bubble flow to a key degradation reaction area; intercepting catalyst particles step by step by using an external cascade three-step backwash filter; and erecting an ozone sensor at an exhaust gas discharge outlet, and transmitting electrical signals outputted by the ozone sensor to a power supply controller connected with a magnetron and an air pump. According to the method, when the end point of the degradation reaction reaches, the energy injection to the reactor is immediately closed, and the ozone generating process is ended.

Description

technical field [0001] The invention relates to a method for expanding the capacity of a microwave photochemical catalytic wastewater degradation reactor capable of depleting ozone, 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 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 prot...

AI Technical Summary

Problems solved by technology

[0032] The operation of the wastewater catalytic degradation reactor needs to consume energy. Therefore, the operator will definitely hope that when the wastewater degradation reaction reaches the end, it can be impartial, neither too early nor too late to stop the continuous injection into the reactor. Energy; if the time to stop injecting energy is too early, the degradation of wastewater will not be complete; and if the end of the reaction has already been reached, but still continue to inject energy into the reactor, it is undoubtedly a waste of precious energy

As the structure of the CN102260003A scheme of the technical background of this case, any instant information cannot be given to the terminal moment of the wastewater degradation reaction, so, the terminal point of the wastewater degradation reaction can only be estimated by experience; and the terminal point of the wastewater degradation reaction is estimated by experience, That is obviously unsatisfactory; then, how to make an immediate information output that is neither advanced nor delayed for the end point of the wastewater degradation reaction, and immediately shut down the energy input to the reactor at just the right moment is a technology that cannot be underestimated Threshold, this is the seventh question