Low-cost spiral membrane for improving effluent quality of septictank
2016
AbstractIn recent years, three-chamber septictank is gaining its popularity in developing countries as a decentralized treatment system for domestic wastewater. However, effluent discharged from a septictank is not suitable to meet the standard limits for domestic wastewater. Because of which, it is necessary to enhance septictank performance to get better quality in terms of wastewater treatment. This study applied a new membrane configuration called “spiral woven fiber microfiltration membrane” (SWFM) module dipped into the last chamber of a septictank. Wastewater from a canteen in Ho Chi Minh City University of Technology area was used as the main source of waste in this study. Membrane fouling and treated effluent quality were investigated at various filtration fluxes. The results showed that the fouling rates of the SWFM conducted in this study were 1.96, 4.68, and 6.55 kPa/d for fluxes of 2, 4, and 6 L/m2 h, respectively. The treated effluent from membrane-based septictank complied with the current ...
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