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A large number of precious metals such as molybdenum, gold, uranium and much more are obtained from sulfide ores. Currently, a large number of hydrometallurgical methods are used to extract precious metals, which in turn are outdated in this field. In this regard, it is necessary to develop new modern methods for extracting all valuable components from sulfide ores. One of these methods is the process of bio-leaching with the use of microorganisms. The use of this method in mining companies will help reduce the ri...

The results of extraction of pectin from beet pulp of sugar waste production have been presented. Production of pectin will allow you to avoid importing this product from abroad, as well as reduce the negative impact of sugar factories on the environment. The developed scheme is environmentally safe. For the production of jelly confectionery products of various assortment, pectin consumption ranges from 8 kg for citrus to 26 kg for beet pectin per 1 ton of finished products. In comparison with other gelling agents...