Treatment of Natural and Synthetic Textile Dyestuffs by Water Sludge Sediment
Treatment of 8 direct dyestuffs and 8 reactive dyestuffs from aqueous dyes solution were investigated onto powder and bead of sediment from water works process (WWP). It was found powder and bead of sediment had treatment of 2 dye groups The optimal conditions for treatment of 2 dye groups at SWWP (10 g.), dye concentration (40 mg/L) and contact time (60 minute). The isotherms of adsorption were analyzed by Langmuir and Freundlich isotherm. It was found that the adsorption behavior was fit with Langmuir and Freundlich isotherm.The adsorption capacity form powder and bead sediment of direct dyes group on were 1.67 and 1.21 respectively and reactive dyes group on were 1.69 and 0.93 respectively. In synthetic wastewater, a high removal efficiency was achieved at 94.62 % and 90.45 % respectively from shake wastewater with bead sediment and at 96.91% and 92.40 % respectively from stir powder sediment with wastewater. For the treated wastewater with color values are passed the standard value of the groundwater wells effluent according to the Ministry of industry.
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