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Continue to ChatTreatment of pulping effluents by using alum and clay - Colour removal and sludge characteristics - https://avesis.metu.edu.tr/yayin/779544ab-a9dd-4821-910b-fad6a00d2041/treatment-of-pulping-effluents-by-using-alum-and-clay-colour-removal-and-sludge-characteristics