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|Title:||Reclamation of dye wastewater using a flat sheet nanofiltration membrane: Study of permeate flux and quality|
|Authors:||Patel, Tejal M|
|Abstract:||This study presents treatment of dye containing wastewater in a nanofiltration pilot plant using hydrophilized polyamide membrane of flat sheet module. Permeate flux (PF) decreased with time of operation due to concentration polarization. Effect of trans-membrane pressure (TMP) showed a quasi-linear increase in flux with increasing pressure. PF (1.44 × 10<sup>-6</sup> m<sup>3</sup>/m<sup>2</sup>.s) at 5 kg/cm<sup>2</sup> was enhanced as PF (1.62 × 10<sup>-6</sup> m<sup>3</sup>/m<sup>2</sup>.s) at 10 kg/cm<sup>2</sup>. Flux increased considerably with increase in dilution of wastewater. Maximum PFs obtained with 5 fold and 10 fold dilutions were 3.95 × 10<sup>-6</sup> and 7.06 × 10<sup>-6</sup> m<sup>3</sup>/m<sup>2</sup>.s respectively. Substantial removal of colour (98.3%) was achieved with a marked reduction in COD (89%) and TDS (77.2%).|
|ISSN:||0975-1084 (Online); 0022-4456 (Print)|
|Appears in Collections:||JSIR Vol.71(06) [June 2012]|
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