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    Reduction of the recalcitrant COD of semi-chemical pulp effluents by chemical precipitation by Felissia, Fernando E., Barboza, Olga M., Bengoechea, Dora I., Area, María C.

    Published 2010
    “…The greatest reductions with aluminum salts were 50% in COD and 63% of NaLS using 1000mg/L Al2(SO4)3, and 58% of the COD, 53% of NaLS and 96% of color, using 6000mg/L of Poly-aluminum Chloride (PAC), on diluted (0.33% solids, COD of 2280mg/L) and concentrate (1.60% solids and COD of 13 280) liquids respectively. …”
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