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Pilot-scale membrane bioreactor (MBR) was operated at a short hydraulic retention time (HRT) of 3 h for the treatment of hospital wastewater. The removals of eleven pharmaceutical compounds in MBR operated at different mixed liquor suspended solids (MLSS) level were investigated during which nitrification degree was differed. The results experiments revealed the importance of immediate adsorption...
Improving the toughness against impact of an electrolytically plated (Ni/Au) Sn-3 mass%Ag-0.5 mass%Cu solder joint for a ball grid array package was examined. The concentration of impurities (C, O, S, and Cl) that reduce the toughness against impact of Ni plating is shown to be inversely proportional to the rate of Ni deposition. The constant of proportionality becomes the rate of adsorption of impurities...
Laboratory-scale experiments were performed to investigate the performance of the on-site small-scale combined system of membrane separation bioreactor (MSB) and zeolite-iron (Z-Fe) column. Average nitrogen removal by the membrane separation bioreactor was varied from 83% at an influent nitrogen concentration of 30 mg/l to 50% at 75 mg/l. Residual ammonia nitrogen in the effluent from the membrane...
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