Abstract
ABSTRACTThe aim of this study was to investigate color, suspended solids (SS), chemical oxygen demand (COD) and biological oxygen demand (BOD) removal using modified sericite with magnesium (Mg–Sericite) flocculants in dyeing wastewater. Mg–Sericite flocculants successfully removed >95% of color, SS. COD and BOD in dyeing wastewater at the following optimal conditions: Mg–Sericite dosage of 40 mg/L, pH of 11, Mg/Sericite ratio of 1.5, settling time of 20 min, mixing time of 10 min and mixing rate of 100 rpm. The bioflocculant, Mg–Sericite, can be a promising flocculants due to its high efficiency and low dose requirements in dyeing wastewater treatment. In addition, Mg–Sericite does not contaminate treated wastewater, which can be recycled to reduce not only the cost and the demand for water but also the extra operational costs for reusing wastewater.
Published Version
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