FIELD: chemistry.
SUBSTANCE: invention relates to production of foamed glass. Glass material and foaming agent are mixed. As foaming agent applied is powder of water purification slag, which is formed as a result of removal of hardness salts in the process of water preparation at thermal electric power plants. Bulk density of slag constitutes 850-900 kg/m3. Foaming agent constitutes from 5 to 20% of glass material volume. Obtained mixture is laid in forms, foamed, annealed and cooled.
EFFECT: obtaining foamed glass from technogenic wastes.
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