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Decolorization of Real Textile Wastewater by Coagulation Conditions  

Hong, Young-Ho (Department of Bio-Materials, Hyejeon College)
Publication Information
Applied Chemistry for Engineering / v.20, no.1, 2009 , pp. 34-39 More about this Journal
Abstract
This study was carried out in order to investigate the decolorization and reduced sludge of real textile wastewater by coagulation process. The aim of the study was to verify the relation between decolorization and coagulants of real textile wastewater treatment processes. Coagulation processes were performed using $FeCl_3$, $FeSO_4$, and $Al_2(SO_4)_3$. Real textile wastewater has a mean concentration for BOD, COD, pH, color to be 800 mg/L, 600 mg/L, 9.7, and 102, respectively. From the experimental results, it was shown that the $FeCl_3$ exhibited higher decolorization at the operating conditions 335~2000 mg/L of coagulants and 500 mg/L NaOH dosage. The efficiency of color removal depended on the wastewater pH and concentration of coagulants.
Keywords
decolorization; textile wastewater; coagulation;
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