Products Parameters
| Type | Chemical Composition (%) | ||||
| Si | Al | S | P | C | |
| ≤ | |||||
| Silicon Slag 35-38 | 35-38 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 38-42 | 38-42 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 42-47 | 42-47 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 50-55 | 50-55 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 55-60 | 55-60 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 60-65 | 60-65 | 5 | 0.1 | 0.05 | 5 |
| Size | 10-50mm 90% min/10-70mm 90% min /10-100mm 90% min | ||||
Products Description
Metallurgical silicon slag refers to waste or impurities generated during the processing or smelting of silicon materials. These waste or impurities usually contain a certain amount of silicon and other metal or non-metal elements.
Silicon slag is mainly produced in industrial production processes such as silicon metal smelting and ferrosilicon smelting. The industrial production of silicon usually includes the refining of silicon ore and the smelting of silicon metal. In these processes, after the silicon element is extracted, the remaining solid residue is silicon slag. Silicon slag is formed by the accumulation of impurities in the raw materials, incomplete reaction products or by-products in the smelting process.
Silicon slag can be used to make building materials such as cement, concrete and blocks. Since silicon slag contains a high content of silicon dioxide, it can improve the strength and durability of these building materials, thereby improving their overall performance. Silicon slag has a wide range of applications in the metallurgical industry. It can be used as a deoxidizer in the deoxidation process in steel smelting to reduce the oxygen content in the melting process and improve the quality of steel. At the same time, silicon slag can also be used for desulfurization, removal of other impurities and increase furnace temperature. In addition, silicon slag can also be used as a raw material for smelting foundry pig iron and silicon-manganese alloys. Silicon slag can be used to produce chemical raw materials such as diatomaceous earth, silane and other organosilicon compounds. These compounds have a wide range of applications in the chemical industry. For example, diatomaceous earth can be used in adsorbents, catalyst carriers and other fields; silane can be used in high-tech fields such as semiconductor manufacturing and solar cell production. Silicon slag can also be used in environmental protection fields such as wastewater treatment and soil improvement. Because silicon slag has adsorption properties, it can be used to remove harmful substances in water; at the same time, silicon slag can also increase soil fertility and air permeability and improve soil quality.
Due to the complex composition and varying contents of silicon slag, its treatment and utilization require specific processes and technologies. At the same time, the transportation and storage of silicon slag also require special equipment and safety measures to ensure that it does not cause harm to the environment and human health. In order to effectively utilize silicon slag resources, the metal silicon and other valuable components can be recovered through crushing, sorting and other technologies, and then returned to the furnace for use as a deoxidizer or other raw materials.
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