Medium density fibreboard (MDF) wastewater is one kind of refractory industry wastewater has complicated components.The combined coagulation-Fenton oxidation process was adopted for the pre-treatment of MDF wastewater which was originated from a wood company of Jiangsu (COD_(Cr) about 6000~30000mg/L;BOD_5/COD_(Cr) (B/C) ratio 0.2~0.3).
In consideration of the coagulation effect and the request of the Fenton oxidation process. Polyferric Sulfate(PFS) was choosen as the best inorganic coagulant ...