FIELD: building materials production. SUBSTANCE: metal-comprising particles are isolated of iron-containing waste of blast furnace production, the process is carried out by magnetic separation. Then these particles are ground, screened and added into dry mixture of ground granulated slag with non-magnetic active components of waste. Then mixing with liquid glass is carried out. Composition comprises, mas. %: granulated basic blast furnace slag, 61-68; iron-containing waste of blast furnace production having particles 0.1-2.5 mm in size, 5-10; liquid glass, 27-29. EFFECT: improved efficiency. 2 tbl
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Authors
Dates
1997-11-20—Published
1996-02-28—Filed