Reuse of Textile Dyeing Effluents Treated with Coupled Nanofiltration and Electrochemical Processes
AbstractThe reactive dye Cibacron Yellow S-3R was selected to evaluate the feasibility of combining nanofiltration membranes with electrochemical processes to treat textile wastewater. Synthetic dyeing effluents were treated by means of two nanofiltration membranes, Hydracore10 and Hydracore50. Up to 98% of dye removal was achieved. The influence of salt concentration and pH on membrane treatment was studied. The best dye removal yield was achieved at pH 3 in the presence of 60 g/L of NaCl. After the membrane filtration, the concentrate containing high dye concentration was treated by means of an electrochemical process at three different current densities: 33, 83, and 166 mA/cm2. Results showed a lineal relationship between treatment time and applied current density. Both permeates and electrochemically-decoloured effluents were reused in new dyeing processes (100% of permeate and 70% of decoloured concentrates). Dyed fabrics were evaluated with respect to original dyeing. Colour differences were found to be into the acceptance range. View Full-Text
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Buscio, V.; García-Jiménez, M.; Vilaseca, M.; López-Grimau, V.; Crespi, M.; Gutiérrez-Bouzán, C. Reuse of Textile Dyeing Effluents Treated with Coupled Nanofiltration and Electrochemical Processes. Materials 2016, 9, 490.
Buscio V, García-Jiménez M, Vilaseca M, López-Grimau V, Crespi M, Gutiérrez-Bouzán C. Reuse of Textile Dyeing Effluents Treated with Coupled Nanofiltration and Electrochemical Processes. Materials. 2016; 9(6):490.Chicago/Turabian Style
Buscio, Valentina; García-Jiménez, María; Vilaseca, Mercè; López-Grimau, Victor; Crespi, Martí; Gutiérrez-Bouzán, Carmen. 2016. "Reuse of Textile Dyeing Effluents Treated with Coupled Nanofiltration and Electrochemical Processes." Materials 9, no. 6: 490.
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