| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: ceramic mixture comprises 70-=90% clay and 10-30% cobalt concentration tails characterized by bulk density 900 kg/m3, density 2700 kg/m3, fire resistance 1200°C, mineralogic composition including orthoclase, quartz, carbonates, clay minerals, and ferrous compounds, and following chemical analysis, wt %: SiO2 32.72, Al2O3 9.33, Fe2O3 10.00, CaO 15.47, MgO 12.01, R2O 2.30, and calcination loss 17.80. ^ EFFECT: increased strength and water absorption of wall ceramic materials. ^ 3 tbl |
