[Chemical Knowledge]：The nature and use of PM

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The nature and use
of PM in the field of raw materials for chemical production
1. Introduction

In the field of raw materials for chemical production, PM(Particulate Matter) is an important substance with a wide range of properties and uses. This article will detail the nature of PM and its use in the field of raw materials for chemical production.

2. the properties of PM

1. Physical properties: PM is a solid particulate matter, its particle size is generally between a few nanometers to tens of microns. PM with different particle sizes has different physical properties, such as specific surface area, density, adsorption capacity, etc.
2. Chemical properties: The surface of PM can adsorb various gas and liquid molecules, which has a certain chemical reaction activity. At the same time, PM can also be used as a catalyst or catalyst carrier to participate in many chemical reactions.

3. The use of PM in the field of raw materials for chemical production

1. As raw materials: PM can be used as raw materials for many chemical products, such as ceramics, glass, rubber, plastics, etc. In the production process of these products, PM can be used as a filler or reinforcing agent to improve the performance of the product.
2. As a catalyst or catalyst carrier: The surface of PM has certain chemical reaction activity and can be used as a catalyst or catalyst carrier to participate in many chemical reactions. For example, in petroleum processing, PM can act as a catalyst to promote the cracking and reforming reactions of petroleum.
3. Application in the field of environmental protection: PM can also be used in the field of environmental protection, for example, as an adsorbent to remove harmful substances in exhaust gas. At the same time, PM can also be used as a filter material for water treatment and air purification.

4. conclusion

In conclusion, PM has a wide range of properties and uses in the field of chemical production raw materials, which is of great significance for promoting the development of chemical industry and the application of environmental protection. In the future, with the continuous progress of science and technology and the deepening of applied research, the application of PM in the field of chemical production raw materials will be more extensive.

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