... industrial aluminum sulfate, aluminum sulfate production base of water treatment agent, in the same industry, first passed in 1998 ... used for drinking water, industrial wastewater purification, sizing pulp paper industry, oil industry as a clarifying agent, the oil industry ... (1% aqueous solution) ≥ 3.0The implementation of water treatment agent aluminum sulfate (Low iron) solid HG/T2227-2004 Qualified ...