Microorganism Removal in Waste Stabilization Ponds in Portugal
- 1 December 1987
- journal article
- Published by IWA Publishing in Water Science & Technology
- Vol. 19 (12) , 141-144
- https://doi.org/10.2166/wst.1987.0138
Abstract
This study has evaluated the removal of traditional biological indicators of faecal pollution and two new indicators: Pseudomonas aeruginosa and Clostridium perfringens in waste stabilization ponds which were installed at the waste treatment plant of Loures, at Frielas, near Lisbon. The removal efficiency for indicator organisms was 10/100 ml in the anaerobic pond A1, except for one of them, and less in A2. In facultative ponds the removal was 10/100 ml while in maturation pond M2 the removal efficiency was higher for traditional indicators than for the new indicators; in pond Ml the removal was less than in M2.Keywords
This publication has 0 references indexed in Scilit: