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Double-unit UV photocatalytic oxidation reaction device

A photocatalytic oxidation and reaction device technology, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as large size, difficult equipment disassembly, and photocatalysts that are not suitable for air purification

Inactive Publication Date: 2020-10-23
CHINA CATALYST HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, powdered TiO 2 Photocatalysts are not suitable for air purification as particles may become respirable and cause health problems
[0005] Most of the existing photocatalytic oxidation devices on the market are large in size, and it is difficult to disassemble the equipment. There is no relatively simple reaction device that can be easily disassembled and installed.

Method used

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  • Double-unit UV photocatalytic oxidation reaction device
  • Double-unit UV photocatalytic oxidation reaction device
  • Double-unit UV photocatalytic oxidation reaction device

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Embodiment 1

[0045] Attached below Figure 1 ~ Figure 4 , the present invention is further described:

[0046] A dual-unit UV photocatalytic oxidation reaction device, the dual-unit UV photocatalytic oxidation reaction device is composed of two photocatalytic unit reactors and ultraviolet lamp groups alternately stacked in parallel, each photocatalytic unit reactor includes an outer frame 2. Three-dimensional porous ceramic foam composite new composite immobilized photocatalyst 1, ultraviolet lamp group 4, lamp holder 5, the outer frame 2 is in the shape of "Tian", the outer frame 2 is a rectangular frame with a cross structure, the cross structure and the rectangular frame The space is filled with three-dimensional porous foam ceramic new composite immobilized photocatalyst 1, the number of outer frames 2 is two and parallel to each other, and an ultraviolet lamp group 4 is arranged between the two outer frames 2, and the ultraviolet lamp group 4 is several vertical For the vertically pl...

Embodiment 2

[0053] The preparation method of novel composite immobilized photocatalyst of the present invention comprises the following steps:

[0054] Step 1, preparation of titanium phosphate titanium dioxide sol aqueous solution

[0055] (1) Aqueous solution of titanium phosphate compound:

[0056] TiCl 4 Mix with absolute ethanol at a ratio of 1:15 by volume, stir evenly in the reactor, then add 10g of phosphoric acid solution, and fully mix evenly with hydrothermal reaction at 140°C to obtain 1-1.5wt% titanium phosphate compound in water.

[0057] (2) titanyl sulfate inorganic sol:

[0058] dissolving titanyl sulfate with a solid content of more than 90% in water, and performing a hydrothermal reaction at 500-600°C to obtain titanyl sulfate inorganic sol;

[0059] (3) Aqueous solution of composite titanium dioxide phosphate titanium dioxide sol:

[0060] (4) Mix the titanium phosphate compound aqueous solution and titanyl sulfate inorganic sol at a volume ratio of 10:4~6 and adj...

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Abstract

The invention discloses a double-unit UV photocatalytic oxidation reaction device, and belongs to the technical field of high-performance novel composite materials. The reaction device mainly comprises the following parts: (1) a three-dimensional porous foamed ceramic novel composite immobilized photocatalyst is subjected to double-sided combination, so that the specific surface area and the active reaction of the photocatalyst are increased; (2) a UVA ultraviolet lamp group is used for promoting the photocatalytic oxidation reaction rate; (3) a metal outer frame is convenient to disassemble and assemble and durable in use, and can form a multi-unit reaction system; (4) reaction devices of different specifications can be manufactured according to design requirements; (5) the metal frame can be made of stainless steel aluminum profiles and light steel materials; and (6) the reaction device can be used for an indoor environment purification device and a reaction system of industrial VOCswaste gas emission purification equipment. The double-unit UV photocatalytic oxidation reaction device subverts the conventional metal mesh photocatalyst reactor, can realize multi-unit combination,and is used for industrial VOCs waste gas emission purification treatment equipment.

Description

technical field [0001] The invention relates to a double-unit UV photocatalytic oxidation reaction device, which belongs to the technical field of high-performance new composite materials. Background technique [0002] With the development of the national economy and the improvement of people's living standards, people's awareness of environmental protection is increasing. Laws, regulations, norms and standards on environmental protection have also been promulgated one after another, making environmental protection more and more standardized and institutionalized. [0003] Exhaust gas emissions mainly refer to pollution caused by vehicle exhaust, factory exhaust gas, and nitrogen dioxide, nitric oxide and other substances produced during combustion, as well as air pollution caused by volatilization of organic solvents used in factories in the past into the air. In the waste gas discharged from the factory, the main substances are organic chlorides, fluorochlorocarbons (CFCS...

Claims

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Application Information

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IPC IPC(8): B01D53/86B01D53/74B01D53/44B01D53/72B01D53/58B01D53/52B01D53/48B01J27/18B01J35/00
CPCB01D53/8687B01D53/74B01D53/58B01D53/72B01D53/52B01D53/485B01D53/48B01J27/18B01D2255/802B01J35/39
Inventor 王艳霞李进王炳春王贤彬
Owner CHINA CATALYST HLDG CO LTD
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