Modification of Natural Minerals with Technogenic Raw Materials
Kenzhaliyev B. Surkova T. Berkinbayeva A. Amanzholova L. Mishra B. Abdikerim B. Yessimova D.
November 2022MDPI
Metals
2022#12Issue 11
The presence of uranium-containing wastes from large provinces in the Republic of Kazakhstan significantly complicates the ecological situation, causing damage to the soil and hydrosphere due to the uncontrolled spread of large volumes of natural waters contaminated with radionuclides. They are usually utilized by the sorption method; however, the use of synthesized sorption materials is limited by their high price, and natural minerals are limited by low sorption characteristics. Many modification options are used in order to improve the sorption characteristics, but only a few methods have been found applied in industry. The main disadvantages include the complexity in the application and modification of reagents rarely used in industrial practice, which increases their cost, and is an obstacle to their widespread use. The authors of this research have studied the possibility of using technogenic raw materials—slags of phosphorus production—as a modifier of natural minerals. The methods of slag activation are investigated, the optimal conditions for the modification of the natural minerals zeolite and shungite by activated slag are determined, and the sorption properties of modified sorbents are studied.
metallurgy , modification , natural sorbents , phosphorus slag , sorbents
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Institute of Metallurgy and Ore Beneficiation, Satbayev University, Shevchenko Str., 29/133, Almaty, 050010, Kazakhstan
Metal Processing Institute, Worcester Polytechnic Institute, 100 Institute Road, Worcester, 01609-2280, MA, United States
Institute of Metallurgy and Ore Beneficiation
Metal Processing Institute
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