Complex Pyrometallurgical Processing of Silicate Raw Material and Technogenic Waste into Market Products

A new approach to solving the problem of complex nonwaste processing of bottom ash waste (BAW) of low-grade metallic and nonmetallic feeds has been set forth. The solution is based on deep recreative melting of various burden materials with dividing the flux into a metallic phase and a silicate part that virtually does not contain any metal oxides. It has been shown that, depending on the method of producing the flux, various materials are generated: a foamed X-ray amorphous material (foamed silicate) with a stable formulation, a fine mineral fiber or spheres depending on technological modes. It follows from this work that the obtained foamed material is a semiproduct used as a fill insulation, a raw material for manufacturing foam ceramics and optically transparent glasses in the visible and near-IR ranges, and a sorbent for collection of oil products. On the basis of the experimental data, an industrial waste processing facility has been developed.

1. Павлов В.Ф. Физические основы технологии получения новых материалов с заданными свойствами на основе создания системы комплексного использования техногенного и нерудного сырья. Новосибирск, Издательство СО РАН, 2005. 191 с.

2. Шабанов В.Ф., Павлов М.В., Павлов В.Ф. Комплексная переработка карбонатных марганцевых руд. Химия и химическая технология. 2013. Т. 12. № 8. С. 469—473.

3. Нефёдов Б.Н., Павлов В.Ф., Зеньков И.В., Нефёдов Н.Б. Высокотемпературное сжигание промышленных и бытовых отходов в едином технологическом процессе. Экология и промышленность России. 2014. Ноябрь. С. 4—7.

4. Павлов В.Ф., Шефер А.А., Шабанов В.Ф. Особенности кристаллизации волластонита. Физика и химия стекла. 2008. Т. 34. № 4. С. 610—615.

5. Демидович Б.К. Пеностекло. Минск, Наука и техника, 1975. 248 с.