Silicon Metal 2202

Silicon metal 2202, also known as industrial silicon or semimetallic silicon, is a commodity name primarily used in industrial and technological fields.

Composition and Preparation:

1. Silicon metal 2202 is produced by smelting silicon stone and a carbonaceous reducing agent in a blast furnace.
2. Its main component is silicon, with a content of approximately 98% (in recent years, silicon with a purity of 99.99% is also included in the category of silicon metal).
3. Other impurities include iron, aluminum, calcium, and so on.

Applications:

1. Silicon metal 2202(si 2202) finds widespread use in refractory materials and powder metallurgy industries.
2. Adding metal silicon 2202 to refractory materials can improve product performance, enhancing high-temperature resistance, wear resistance, and oxidation resistance.
3. It is also a crucial raw material for manufacturing silicon polishing wafers, solar cells, and high-purity silicon products, playing a vital role in the information and new energy industries.

Purification Methods:

1. To enhance the quality of industrial silicon products, researchers focus on impurity removal and high-purity preparation.
2. 2202 silicon metal's out-of-furnace refining technique is an effective method, involving multiple steps to increase silicon purity, including heating, blowing, and slagging processes.

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