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Carbon foams were derived from coal-tar pitch and applied as packing media in a biological aerated filter (BAF) system for wastewater treatment. The capacity of growing bacteria on carbon foam is 5.6wt.%. The removal efficiency of chemical oxygen demand (COD), biochemical oxygen demand (BOD) and ammonia nitrogen (NH 3 -N) in a carbon foam BAF system are 81, 81 and 75%, respectively. Compared...
Novel SnO 2 nanodendrites, 4-fold symmetry nanostructure, nanowhisker with belt-like sub-branch, and tree-like nanowhiskers, have been successfully synthesized by controlling release rate of hydroxide ions in ethanol solution. Hydroxide ions can effectively control the morphology of nanodendrites and ethanol used as aqueous surroundings is critical for SnO 2 dendritic growth. Based...
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