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박영식,구기우,나영수,송승구 한국환경과학회 1998 한국환경과학회지 Vol.7 No.3
In order to develop of support media for biofilm reactor, physicochemical properties and attachability of surface of activated carbon, clay mineral, non-clay mineral, and waste mold sand were examined. Measured physicochemical properties of materials were surface roughness, mean particle size, surface area, hydrophobicity, and surface charge. At a tested materials, activated carbon was the best attachable material and microorganisms were attached 20.1 × 10 exp (7)CFU/㎠ at surface, compared with diatomaceous earth which were attached of 9.2 × 10 exp (7)CFU/㎠. In our research, surface area and hydrophobicity showed more influence than any other factor on attachment of microorganisms.