Air purification composition, preparation and preparation method thereof

Abstract

The invention discloses an air purification composition. The air purification composition is prepared from the following raw materials in parts by weight: 5 to 20 parts of a formaldehyde capturing agent, 3 to 8 parts of a porous mineral and 0.5 to 4 parts of a photocatalyst. The air purification composition disclosed by the invention can be used for rapidly enriching formaldehyde, benzene series compounds, TVOC (Total Volatile Organic Compound) and the like, and promoting a photo-catalytic oxidation degradation process of polluted gas. According to the air purification composition, the formaldehyde capturing agent, the porous mineral and the photocatalyst have a mutual cooperative effect, so that the purification efficiency is improved and the purification effect can also be improved at the same time; the continuity of material utilization can be ensured.

Description

technical field [0001] The invention relates to the field of environmental protection, in particular to an air-purifying composition, a preparation and a preparation method thereof. Background technique [0002] In the process of interior decoration, a large amount of paint, adhesives, plywood and other materials are often used. These materials will release a large amount of toxic and harmful gases such as formaldehyde, benzene series, and TVOC indoors, resulting in frequent pollution incidents. Widespread concern over indoor air quality. At the same time, it also drives the popularity of various air purification materials and purification products. Among them, due to the advantages of convenient use and quick effect, the air purification composition is the most popular among consumers. There are three main types of air purification sprays currently on the market: the first type is to shield and cover the original smell by volatilizing the gas with a fresh fragrance by the...

AI Technical Summary

Problems solved by technology

There are three main types of air purification sprays currently on the market: the first type is to shield and cover the original smell by volatilizing the gas with a fresh fragrance by the spray itself, and this type of product basically has no effect of removing polluted gases; the second type It relies on the adsorbent contained in the spray to physically adsorb the polluting gas. This type of product loses its adsorption effect after the adsorbent reaches adsorption saturation. On the contrary, there may be release of polluting gas due to desorption.

Above-mentioned two kinds of sprays all can not satisfy actual demand

There is another type of product that removes formaldehyde by loading a formaldehyde treatment agent. However, due to the limited load and harsh reaction conditions, formaldehyde can be effectively removed.

[0003] For example, the application number is CN201710768266.4, which discloses a composite formaldehyde adsorption material and its preparation method. The formaldehyde adsorption material adopts the method of loading the formaldehyde adsorption material on the carrier for formaldehyde adsorption. However, the highest formaldehyde adsorption in this way is only The main possible reason is that the formaldehyde adsorption material loses the ability to treat pollutants after the oxidative decomposition agent is consumed, and there is no continuous adsorption; when the formaldehyde adsorption material loses the ability to treat pollutants and the pollutants it physically adsorbs, it may It will be affected by the outside world, such as temperature and other conditions, which will cause the formaldehyde adsorption material to desorb again. In addition, the redox reaction may produce by-products when the oxidative decomposer treats pollutants, resulting in secondary pollution; the oxidative decomposer itself has strong oxidation It is corrosive and has potential safety hazards. Take sodium bisulfate as an example. This product is corrosive, corrosive and highly irritating, and its aqueous solution is also strongly acidic.

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