Preparation of antibiofouling nanocomposite PVDF/Ag-SiO2 membrane and long-term performance evaluation in the MBR system fed by real pharmaceutical wastewater
Separation and Purification Technology（2020）
Abstract
•Ag-SiO2 nanoparticles by superior antibacterial property was synthesized.•Nanocomposite PVDF/SiO2 and PVDF/Ag-SiO2 membranes were fabricated by NIPS method.•Neat and nanocomposite membranes’ performance was evaluated in a lab-scale MBR.•Nanocomposite membranes showed superior antibiofouling performance.•EEM spectroscopy revealed different composition of EPSs on the membranes.
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Key words
Poly(vinylidene fluoride) (PVDF) membrane,Nanocomposite membrane,Biofouling,Membrane bioreactor (MBR),Silver nanoparticles,Silica nanoparticles,Long-term MBR test,Extracellular polymeric substances (EPSs),Excitation and emission matrix (EEM) fluorescence spectroscopy
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