Short-Term Exposure Effects Of Magnetic Fe3o4 Nanoparticles On Anaerobic Granular Sludge Performance
2018 INTERNATIONAL CONFERENCE OF GREEN BUILDINGS AND ENVIRONMENTAL MANAGEMENT (GBEM 2018)(2018)
Abstract
Effects of magnetic Fe3O4 nanoparticles (Fe3O4 NPs) on the decontamination performance and the EPS components of sludge were studied during short-term exposure experiments. Results showed that compared with the control, the COD removal efficiency reduced from 92.8% to 84.5% with the abrupt short-term addition of excessive Fe3O4 NPs. The content of TB-EPS increased from 64.8 mg/gVSS to 74.5 mg/gVSS. The absorption peak of amine in LB-EPS became sharp in the FTIR spectra. In the EEM spectra, the intensity of coenzyme F-420 peak in LB-EPS was slightly enhanced.
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Nanofiltration
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