| 摘要 |
FIELD: gas treatment in mining industry and construction. ^ SUBSTANCE: paste comprises inorganic substances and water, namely ferric sulfate and 40-50% aqueous alkali solution at ferric sulfate/aqueous alkali solution/water ratio (3-6):(1-3):(0.5-1). Alkali is selected from potassium hydroxide and sodium hydroxide. ^ EFFECT: increased efficiency of paste and fuse, and improved safety of blasting operations. ^ 2 cl, 1 tbl |
