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Using Quartz Rock As The Raw Material For Chemical Metal Silicon

Using quartz rock as the raw material for chemical metal silicon
The production raw material of metal silicon 98 is a prerequisite for the good performance of raw materials in the production of chemical silicon. Quartz rock is used as the raw material for chemical metal silicon, and low-ash carbonaceous materials are used as reducing agents. The raw materials for chemical silicon in the electric furnace method are mainly coal gangue and carbon raw materials. Carbon raw materials are also mainly petroleum coke, with high-quality l-quality anthracite and charcoal, which can also be partially added to increase the resistivity of the charge. The raw materials are required to meet the purity and good reactivity required by the product standards; the reducing agents have different reactivity to fully react with quartz stone; the charge has different components and different particle sizes, and the appropriate ratio has a good effect on the charge electric furnace.

 

 

 

Grade Chemical Composition %
Si Content(%) Impurities(%)
Fe Al Ca
Silicon Metal 2202 99.58 0.2 0.2 0.02
Silicon Metal 3303 99.37 0.3 0.3 0.03
Silicon Metal 411 99.4 0.4 0.4 0.1
Silicon Metal 421 99.3 0.4 0.2 0.1
Silicon Metal 441 99.1 0.4 0.4 0.1
Silicon Metal 551 98.9 0.5 0.5 0.1
Silicon Metal 553 98.7 0.5 0.5 0.3
Other chemical composition and size can be supplied upon request.

 

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