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[Chemical Knowledge]：PM production and manufacturing methods and processes.

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In the field of raw materials for chemical production, PM (particulate matter) is produced by a variety of methods, depending on the type and nature of the particulate matter required. The following is a common PM manufacturing method, for reference only.

1. Raw material preparation

First of all, it is necessary to select the corresponding raw materials according to the required particulate matter composition and make sufficient preparations. In general, raw materials for PM production include inorganic salts, metal oxides, carbon black, and the like. These raw materials need to go through grinding, mixing and other processes to ensure that their particle size and uniformity meet the requirements.

2. Combustion synthesis

Next, the prepared raw materials are sent into the combustion chamber, and chemically reacted through high-temperature combustion to generate the required particulate matter. In this process, parameters such as combustion temperature and oxygen content need to be controlled to ensure that the generated particles have the required particle size, morphology and chemical composition.

3. collection and separation

generated particulate matter with the flue gas into the collector, through filtration, electric dust removal and other ways to separate it from the flue gas, collect the required PM. In this process, it is necessary to select the appropriate collector according to the nature and collection requirements of the particles, and ensure its operating efficiency and stability.

4. Post-treatment
The PM collected from the
also needs to be post-treated, including drying, sieving, surface modification and other processes to improve its performance and applicability. The final PM product needs to undergo quality inspection and evaluation to ensure that it meets the relevant standards and requirements.

, it should be noted that the above is only a common PM manufacturing method, and the specific manufacturing process and equipment will vary according to different raw materials and product requirements. At the same time, in the manufacturing process of PM, it is also necessary to consider environmental protection, safety and other issues to ensure that the production process meets the requirements of relevant laws, regulations and standards.

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