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What is micro silica vapor?
Micro-silica Also known as silica or condensed fume, fume is a form of silica. The mine thermoelectric oven produces many gases, including SiO2 and SiO2, when ferroalloys (metal silica) are used to melt ferrosilicon. It is formed through rapid oxidation. It is produced by large-scale industrial melting. It is necessary to recycle this entire process with the help of dust removal equipment and environmental protection gear. Encryption equipment is needed because of the low density.

What are the main applications of microsilica?

It is used widely in the refractory industries because it has excellent properties like high refractoriness. It is mainly utilized to prepare high temperature ceramics, ladle material, high temperature wear-resistant materials and breathable bricks. Wang Tao et al. By using micro-silica and Al2O3 powder in a 3:2.5 ratio and a 1450degC sintering heat, they prepared high-purity mullite porous ceramics. Its compressive strength is 260.93MPa. The porosity of the material is 21%. The micro-silica can be used to improve the fluidity of refractory products, their bulk density, strength, cohesion, high-temperature performances, and extend the service life.
Some North America firms also use silica and microsilica fume mixed granules as raw material for electric furnaces reduction and silicon melting. They found the silicon recovery is normal, while the unit product’s energy consumption is unchanged. Elkem in Norway will agglomerate micro-silica with water into pellets about 4 cm long, which are then reduced and melted directly in an electrical furnace without any roasting or dryness. Sintered ore can be produced at a higher temperature without any problems such as bursting. In a Russian factory, micro-silica fumes and liquid waste from paper pulp are mixed into pellets. They then undergo reduction smelting using an electric furnace. This production shows that pellets can be transported without breaking because they are more durable than other materials. In Northern Europe, an enterprise that produces ferrochromium used the microsilica powder slurry from the electric furnace silica smelting method to return silicon and mixed it into chromium ore for pelletizing. The micro-cassia was found to improve the cohesiveness of chromium ore.

The majority of companies in the metalworking industry use microsilica fume to return materials. While this method can reduce environmental pollution due to micro-silica, it doesn’t fully exploit the magical properties of micro-silica. This is an extensive use.

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