Secondary Mineral Resources for Refractory Manufacture. Part 1. Silica Technogenic Materials

Abstract

Aversion is proposed for chemical and mineral classification of technogenic refractory raw material. Secondary mineral resources are considered of essentially silica composition represented by four large-scale technogenic formations.Waste-free technology is developed for processing sub-standard material with preparation of enriched raw material for producing quartzite filler grade ZVK-97, building gravel, and sand. The suitability is established for the fine-grained fraction of silica waste (enrichment tailings) for preparing molding, filter, building materials, and also in a raw material for producing some grades of packaging glass and other materials. The possibility is demonstrated of using regeneration products of exhausted molding mixes for preparing high quality dinas. Microsilica is studied comprehensively, on whose basis promising areas for its utilization are developed.