Coupled flocculation and oxidation process was used to treat acid brilliant scarlet dye wastewater with Potassium permanganate as oxidant and poly-silicic-ferric sulfate as flocculant.

• 以高锰酸钾为氧化剂、自制的聚硅硫酸铁为絮凝剂,采用氧化-絮凝耦合工艺处理酸性大红废水。