FIELD: chemistry.
SUBSTANCE: raw material mix for cellular glass production includes broken glass, schungite and metal-containing sulfate sludge at the following component ratio, wt %: broken glass - 70-75; schungite - 15-25; metal-containing sulfate sludge - 5-10. Metal-containing sulfate sludge includes, wt %: hydroxides /in Ee2O3 equivalent/ - 5-15; calcium sulfate /CaSO4 2H2O/ - 25-33; CaCO3+MgO+SiO2 - 1-5.4; water - 40-60.
EFFECT: increased glass durability.
1 tbl
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