The high-effective water treatment agent-polyaluminium chloride is produced by industrial aluminiferous waste slag.

利用工业含铝废渣生产高效水处理剂聚合氯化铝。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利用氧化铝厂工业废渣生产的改性铝酸钙净水剂兼有混凝和脱盐两种功能。