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In-situ regenerable adsorption photocatalysis and ozone synergistic purification method and device for VOCs

An in-situ regeneration and purification device technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve the problems of large investment, low VOCs treatment and purification efficiency, short life and other problems, to ensure adsorption capacity, lasting high efficiency Effect of Purification Ability

Active Publication Date: 2019-08-23
ACAD OF ENVIRONMENTAL PLANNING & DESIGN GRP CO LTD NANJING UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of low purification efficiency, large investment, short life, and secondary pollution of VOCs treated by the prior art, and provide an in-situ regenerable VOCs adsorption photocatalysis and ozone synergistic purification method and device

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  • In-situ regenerable adsorption photocatalysis and ozone synergistic purification method and device for VOCs

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with specific examples.

[0026] Such as figure 1 As shown, a VOCs adsorption photocatalysis and ozone synergistic purification device that can be regenerated in situ includes an ultraviolet lamp 1, a heating lamp 2, and a corona generating electrode purification wire 3, wherein the corona generating electrode purification wire 3 passes through Assembled in the ring mounting frame 4, the silk holder is wound to form a ring arrangement; it also includes an activated carbon fiber adsorption layer 5 loaded with photocatalyst, an ozone catalyst layer 6 and a dust collecting pole 7, wherein the activated carbon fiber adsorption layer 5 loaded with photocatalyst, ozone catalyst The layer 6 and the dust collecting pole 7 are bonded together to form a barrel-shaped structure, the inner side is adjacent to the activated carbon fiber adsorption layer 5 loaded with photocatalyst, and the corona generating electro...

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Abstract

The invention relates to an in-situ regenerable adsorption photocatalysis and ozone synergistic purification method and device for VOCs. The device comprises annularly-distributed ultraviolet lamp tubes and heating lamp tubes arranged in the device, the periphery of the ultraviolet lamp tubes and the heating lamp tubes is corona generation electrode electric purifying wires, and the corona generation electrode electric purifying wires are wound by a wire holder assembled in an annular installation frame to form annular arrangement; an activated carbon fiber adsorption layer loading with a photocatalyst, an ozone catalyst layer and a dust collecting electrode are sequentially arranged at the outer side of the corona generation electrode electric purifying wires, the activated carbon fiber adsorption layer, the ozone catalyst layer and the dust collecting electrode are attached together to form a barrel structure, and the outermost-layer outer-side dust collecting electrode forms a device skeleton and has a metal mesh structure. After the technical solution provided by the invention is adopted, the VOCs can be effectively removed, the purification efficiency is higher, at the same time, decomposition products of the VOCs can be effectively desorbed, and the purification efficiency can be restored in time.

Description

technical field [0001] The invention relates to the field of industrial waste gas purification, in particular to an in-situ regenerable VOCs adsorption photocatalysis and ozone synergistic purification method and device. Background technique [0002] According to the research results of the China Academy of Environmental Planning, the annual emission of VOCs is about 31 million tons, and the potential of VOCs emission reduction is huge. VOCs treatment has also gradually received attention and made some progress. Various provinces and cities have introduced corresponding measures and regulations according to the local industrial structure and VOCs pollution situation; ideal. As more and more stringent industry standards and local standards are gradually formulated, enterprises or universities with low-concentration and large-volume VOCs emission characteristics will also carry out engineering construction and transformation in accordance with corresponding regulations. The m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/76B01D53/44B01D53/66
CPCB01D53/007B01D53/44B01D53/76B01D53/8687B01D53/04B01D53/8675B01D2259/804B01D2257/708B01D2253/102B01D2251/104Y02A50/20
Inventor 杨道军张纪文陆朝阳徐遵主李明易斌蒋海涛
Owner ACAD OF ENVIRONMENTAL PLANNING & DESIGN GRP CO LTD NANJING UNIV
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