... agents. UseA, urban water supply and drainage cleaning: water, groundwater, river water, reservoir.B, industrial water purification.C, urban ... dyeing, leather, heavy metal waste water, waste water, fluoride-containing wastewater, coal washing waste water containing oil wastewater treatment, paper ... 2O3) % ≥Basicity%Density(20°C)( g/cm3) ≥Water can catch % ≤PHvalue(1%aqueous solution)10.040-851 ...