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A pilot plant study of a polysulfone ultrafiltration (MWCO of 30 kD) tubular membrane process was conducted for the treatment of reservoir water. The membrane separation system was operated in the cross-flow filtration mode at 4.7 m/s and the feed-and-bleed mode for a long term of 4000 h without chemical cleaning and backwashing. The results showed that the behavior of permeate flux of the membrane...
Through a new experimental procedure, the influence of cross-flow velocity on the formation of fouling layer during microfiltration (MF) and ultrafiltration (UF) of biological suspension with 5g/l of mixed liquor suspended solids was studied. Based on the resistance-in-series model, filtration resistances caused by adsorption, concentration polarization, and reversible and irreversible fouling were...
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