Catalytic decomposition type air purification material and preparation method thereof

An air purification material and catalytic decomposition technology, applied in the field of air purification, can solve the problems of poor practicability and high cost, and achieve the effects of thorough air purification, simple preparation process, and easy industrial production

Inactive Publication Date: 2015-12-16
SHENZHEN CHINA TEXTILE FILTERS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this type of photocatalysis can only work under the irradiation of ultraviolet light, and the indoor environment is difficult to meet the conditions of ultraviolet light, the materials made in this way are currently not practical and the cost is high

Method used

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  • Catalytic decomposition type air purification material and preparation method thereof
  • Catalytic decomposition type air purification material and preparation method thereof

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preparation example Construction

[0013] A method for preparing a catalytic decomposition type air purification material, characterized in that it comprises the following steps:

[0014] 1) Combine clay, air-permeable glue, CuO nanorods, coconut shell activated carbon powder and nano photosensitive metal oxides, active MnO 2 The nanorods are uniformly mixed with water to prepare a mixed slurry. In the mixed slurry, binder, air-permeable glue, CuO nanorods, coconut shell activated carbon powder, nano photosensitive metal oxide, active MnO 2 The weight ratio of nanorods and water is (0.6~1):(2~8):(0~1):(0~1):(0~0.9):10:(20~30);

[0015] 2) Attach the mixed slurry prepared in step 1) to the substrate by soaking, spraying or coating, and dry at 80°C to 110°C to obtain a catalytic decomposition type air purification material.

[0016] A catalytic decomposition type air purification material is characterized in that its preparation raw materials include binder, breathable glue, CuO nanorods, coconut shell activate...

Embodiment 1

[0029] This embodiment provides a catalytic decomposition type air purification material and its preparation method, specifically:

[0030] 1) Mix potassium permanganate, manganese sulfate, sodium hydroxide and distilled water with a weight ratio of 1:1:0.1:6 respectively, and transfer the mixture into a high-pressure reactor with a polytetrafluoroethylene lining , then add distilled water to adjust to 60% of the volume of the inner lining of the reaction kettle, seal it, heat up to 140°C, react for 4h, suction filter after the reaction, and place it in a vacuum drying oven, heat from room temperature to 180°C, and react at constant temperature for 6h. Cool naturally to room temperature to produce α / β active MnO 2 Nano stave.

[0031] 2) Slowly add 1L of 1mol / L urea solution dropwise to an equal volume of 1mol / L divalent copper salt solution, transfer the mixed solution into a high-pressure reactor with a polytetrafluoroethylene liner, and then add Distilled water is adjuste...

Embodiment 2

[0034] This embodiment provides a catalytic decomposition type air purification material and its preparation method, specifically:

[0035] 1) Mix potassium permanganate, manganese acetate, potassium hydroxide and distilled water in a weight ratio of 1:1.1:0.2:6.1, respectively, and transfer the mixed solution into a high-pressure reactor with a polytetrafluoroethylene liner, Then add distilled water to adjust to 65% of the volume of the inner lining of the reactor, seal it, raise the temperature to 150°C, and react for 4 hours. Cool down to room temperature to produce β / γ-type active MnO 2 Nano stave.

[0036] 2) Slowly add 1L of 1mol / L urea solution dropwise to an equal volume of 1mol / L divalent copper salt solution, transfer the mixed solution into a high-pressure reactor with a polytetrafluoroethylene liner, and then add Distilled water is adjusted to 65% of the volume of the inner lining of the reactor, sealed, heated to 110°C, reacted for 4 hours, filtered after the re...

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Abstract

The present invention discloses a catalytic decomposition type air purification material and a preparation method thereof. The preparation method comprises: 1) uniformly mixing a binder, an air permeable glue, CuO nano-rods, coconut shell active carbon powder, a nanometer light-sensitive metal oxide, active MnO2 nano-rods and water to prepare a mixed slurry, wherein a weight ratio of the binder to the air permeable glue to the CuO nano-rods to the coconut shell active carbon powder to the nanometer light-sensitive metal oxide to the active MnO2 nano-rods to the water in the mixed slurry is (0.6-1):(2-8):(0-1):(0-1):(0-0.9):10:(20-30); and 2) through a soaking method, a spraying method or a coating method and other methods, attaching the mixed slurry prepared in the step 1) to a substrate, and drying at a temperature of 80-110 DEG C so as to prepare the catalytic decomposition type air purification material. According to the present invention, the catalytic decomposition type air purification material preparation process is simple, the industrial production is easily achieved, the air purification effect is excellent, and the method is suitable for promotion application.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to a catalytic decomposition type air purification material and a preparation method thereof. The air purification material can absorb and decompose formaldehyde, acetaldehyde, benzene, toluene, VOCs, nitrogen oxides and other polluting gases. Background technique [0002] In recent years, the problem of air pollution has been an urgent problem to be solved. Excessive aldehyde pollutants, benzene series, sulfides, carbon monoxide (CO) and nitrogen oxides in the air are harmful gases that affect human health. The flue gas released by burning fossil fuels (coal, petroleum, gas oil, etc.) in energy, chemical industry, metallurgy, transportation and other industries contains a large amount of SO 2 and NO x , causing serious air pollution. In addition, all kinds of dust produced by human activities, as well as solid suspended particles such as sand and dust caused by climate d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/30B01J23/889B01D53/86B01D53/72B01D53/56B01D53/44
Inventor 杨平杜靖程顺清
Owner SHENZHEN CHINA TEXTILE FILTERS
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