接触酸化水路における衛生指標細菌の除去機構

概要

論文の詳細を見る
Removal mechanisms of bacteria (Escherichia coli : E. coli, total coliform : T. coli, heterotrophic plate counts : HPC) in a contact purification process for river flow were examined with experimental apparatus which had activated carbon or string as packed medium. Bacteria was adsorbed to biofilm or sediment quite effectively (60-90%) within one hour treatment and the maximum removal rate of E. coli was 3.0 CFU · ml-1 · min-1 with string type medium. 99% of E. coli removed during for 2 month experiment were inactivated, but the concentration in the biofilm and sediment was so high that the sludge accumulated in the process must be handled carefully to avoid secondary contamination.
社団法人　日本水環境学会の論文
2000-11-10