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Device and method for enhancing oxidative degradation of organic waste gas

A technology for organic waste gas and oxidative degradation, applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve the problems of high cost and low efficiency of organic waste gas degradation

Active Publication Date: 2021-03-12
CHENGDU SCI & TECH DEV CENT CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a device and method for enhancing the oxidative degradation of organic waste gas in order to solve the problems of low efficiency and high cost of organic waste gas degradation in the prior art.

Method used

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  • Device and method for enhancing oxidative degradation of organic waste gas

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Comparison scheme
Effect test

Embodiment 1

[0023] See attached figure 1 . A device for enhancing the oxidative degradation of organic waste gas, comprising a box body 1, several ultraviolet lamp tubes 2 and several catalytic components 3; one end of the box body 1 is provided with a waste gas inlet 4, and the other end is provided with a waste gas outlet 5; The box body 1 is provided with several catalytic assemblies 3 arranged sequentially along the path from the exhaust gas inlet 4 to the exhaust gas outlet 5; several ultraviolet lamp tubes 2 and several catalytic assemblies 3 are arranged alternately; the top of each catalytic assembly 3 corresponds to An ozone water delivery branch pipe 6 is provided, and an ozone water recovery branch pipe 7 is correspondingly provided at the bottom of each catalytic assembly 3 . It can be seen from the above structure that the organic waste gas enters the box body 1 from the waste gas inlet 4; the ozone water infiltrates the corresponding catalytic assembly 3 from the ozone wate...

Embodiment 2

[0025] See attached figure 1 . A device for enhancing the oxidative degradation of organic waste gas, comprising a box body 1, several ultraviolet lamp tubes 2 and several catalytic components 3; one end of the box body 1 is provided with a waste gas inlet 4, and the other end is provided with a waste gas outlet 5; The box body 1 is provided with several catalytic assemblies 3 arranged sequentially along the path from the exhaust gas inlet 4 to the exhaust gas outlet 5; several ultraviolet lamp tubes 2 and several catalytic assemblies 3 are arranged alternately; the top of each catalytic assembly 3 corresponds to An ozone water delivery branch pipe 6 is provided, and an ozone water recovery branch pipe 7 is correspondingly provided at the bottom of each catalytic assembly 3 . It can be seen from the above structure that the organic waste gas enters the box body 1 from the waste gas inlet 4; the ozone water infiltrates the corresponding catalytic assembly 3 from the ozone wate...

Embodiment 3

[0034] See attached figure 1 . A device for enhancing the oxidative degradation of organic waste gas, comprising a box body 1, several ultraviolet lamp tubes 2 and several catalytic components 3; one end of the box body 1 is provided with a waste gas inlet 4, and the other end is provided with a waste gas outlet 5; The box body 1 is provided with several catalytic assemblies 3 arranged sequentially along the path from the exhaust gas inlet 4 to the exhaust gas outlet 5; several ultraviolet lamp tubes 2 and several catalytic assemblies 3 are arranged alternately; the top of each catalytic assembly 3 corresponds to An ozone water delivery branch pipe 6 is provided, and an ozone water recovery branch pipe 7 is correspondingly provided at the bottom of each catalytic assembly 3 . It can be seen from the above structure that the organic waste gas enters the box body 1 from the waste gas inlet 4; the ozone water infiltrates the corresponding catalytic assembly 3 from the ozone wate...

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Abstract

The invention discloses a device and method for enhancing oxidative degradation of organic waste gas, and belongs to the technical field of organic waste gas treatment. The device comprises a box body, a plurality of ultraviolet lamp tubes and a plurality of catalytic assemblies; one end of the box body is provided with a waste gas inlet, and the other end is provided with a waste gas outlet; a plurality of catalytic assemblies which are sequentially arranged along a path from the waste gas inlet to the waste gas outlet are arranged in the box body; the plurality of ultraviolet lamp tubes andthe plurality of catalytic assemblies are arranged in a staggered manner; an ozone water conveying branch pipe is correspondingly arranged at the top of each catalytic assembly, and an ozone water recovery branch pipe is correspondingly arranged at the bottom of each catalytic assembly. According to the device and method for enhancing oxidative degradation of the organic waste gas, the synergisticeffect of ultraviolet rays, hydroxyl radicals in water vapor and hydroxyl radicals on the surfaces of the catalytic assemblies is utilized, the oxidative degradation effect of VOCs is enhanced, and compared with an existing ultraviolet photolysis system and an existing photocatalysis system, the organic waste gas degradation capacity is more efficient and thorough.

Description

technical field [0001] The invention belongs to the technical field of organic waste gas treatment, and in particular relates to a device and method for enhancing the oxidative degradation of organic waste gas. Background technique [0002] The volatile organic compounds in the exhaust gas are referred to as VOCsVolatile Organic Compounds, most of which are toxic and seriously endanger human health; among them, benzene, toluene, polycyclic aromatic hydrocarbons, etc. are listed as carcinogens by the World Health Organization. With the rapid development of modern industry, the quantity and types of VOCs discharged into the environment are increasing sharply, and VOCs have become one of the main pollutants in the atmosphere. [0003] In recent years, more and more attention has been paid to the degradation of organic waste gas by ultraviolet photolysis technology. Generally speaking, there are three ways to decompose organic waste gas by UV light. 1. When light of appropriate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/44
CPCB01D53/8687B01D53/007B01D2251/104B01D2259/804B01D2257/708Y02A50/20
Inventor 唐昶宇刘颖彘邵虹陈勇前
Owner CHENGDU SCI & TECH DEV CENT CHINA ACAD OF ENG PHYSICS
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