FIELD: chemistry.
SUBSTANCE: method for sorbent obtaining provides grinding of Kamennoyarsky graize of the Astrakhan region, which contains (%): SiO2 - 86.2, Al2O3 - 4.15, Fe2O3 - 1.56, TiO2 - 0.2, K2O - 1.2, CaO - 1, Na2O to 0.5; MgO to 1. After grinding, the gaize is dried at a temperature of 150°C, crushed, dust-free, sieved, particles of 1 to 8 mm with a residual moisture of 2-5% are isolated.
EFFECT: invention expands the range of sorbents made of natural raw materials.
2 dwg, 1 tbl
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