
Impacts of NF concentrate recirculation on membrane performance in an integrated MBR and NF membrane process for wastewater treatment
Keywords: COD, Chemical oxygen demand; EPS, Extracellular polymeric substances; HRT, Hydraulic retention time; IC, Inorganic carbon; LMH, L m−2 h−1; MBR, Membrane bioreactor; MF, Microfiltration; NF, Nanofiltration; PBS, Phosphate buffer saline; RO, Reverse osmosis