期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：194
期号：9
页码：092006
DOI：10.1088/1755-1315/194/9/092006
语种：English
出版社：IOP Publishing
摘要：The mining and metallurgical industry annually accumulates millions of tons of solid waste, which is stored in technological dumps in the immediate vicinity of enterprises. Under the influence of rain and wind, waste can cause environmental degradation in the region. Therefore, at present, we are actively looking for the possibility of their secondary use or efficient disposal. Metallurgical slag in its chemical composition is considered a universal fertilizer for agriculture. The content of calcium and magnesium in it can reach 65%, which is enough for effective liming of acidic soils, the area of which in Russia reaches 65 million hectares, and in the South of the Tyumen region – 3.4 million hectares. Slag does not have hygroscopicity and caking, which makes it possible to make it effectively in the fields. The high content of phosphorus makes it an attractive phosphate fertilizer for farmers, the cost of which is 5 times lower than phosphate flour or simple superphosphate. Scientifically based introduction of slag in the fields of Siberia can significantly reduce the amount of waste from mining and metallurgical industry without deterioration of the ecological state of the territory. A thorough chemical analysis of each batch for heavy metal content is required before solid industrial waste is used. Slag that does not meet environmental requirements must be disposed of in another way.
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