Valutazione dell'efficienza di un impianto di depurazione nella provincia di Varese: Aspetti igienico-sanitari

In this paper the functional groups of the protista community of the activated-sludge process were investigated. Ciliate communities colonizing an activated-sludge plant receiving domestic and industrial waste were monitored. The dynamics of the observed ciliate species were studied through the microscopical analysis of the samples collected in the aeration tank. The sludge biotic index (S.B.I.) method was applied to the observed microfauna and results obtained were compared to the chemical and operational parameters.