
The use of industrial waste is one of the main problems of the modern economy. In Belarus, there is no primary metallurgical processing of natural raw materials, so the use of secondary materials and production waste is a very relevant and important task for the industry, given into account that the cost of metals extracted from secondary raw materials is several times less than the primary ones.One of the types of such raw materials is tin-lead dross (ash), which consists of tin and lead oxides with inclusions of the metal component beads. The most valuable element in dross is tin, the price of which is much higher than the cost of many non-ferrous metals. The aim of the work was to study the influence of various technological factors on the metallurgical output during the processing of tin-lead ash into solders and ligatures.In this regard the results of previous studies related to the extraction of tin and lead in the processing of secondary raw materials were summarized, and new data on technological methods for deeper metallurgical processing of dross (ash) were presented. This allowed them to develop options for obtaining high-quality solder type POS 61 and ligatures.
Mining engineering. Metallurgy, metallurgical processing, tin-lead dross(ash), selective grinding, TN1-997, solder type pos 61, ligature
Mining engineering. Metallurgy, metallurgical processing, tin-lead dross(ash), selective grinding, TN1-997, solder type pos 61, ligature
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