Duncan Mara

TL;DR: How simple mathematical models for ammonia volatilisation in WSP, in spite of the possibility of their giving good predictions, may not accurately describe the main pathways and mechanisms involved in ammonia removal in W SP is reported.

TL;DR: In this article, data from 147 small municipal wastewater treatment plants (MWTP), with a population equivalent (p.e.) less than 10,000, have been collected and analysed. And it was found that the reasons for poor performance, for the plant failure and for delays in commissioning were managerial and institutional, rather than purely technical.

TL;DR: In this article, field and glasshouse grown lettuces were spray irrigated with raw and treated wastewaters containing known numbers of human intestinal nematode eggs, and with clean water artificially seeded with Ascaridia galli eggs.

TL;DR: In temperate climates facultative ponds and rock filters are a low-cost but high-performance treatment system for small rural communities and if the treated wastewater is to be used for crop irrigation, then a 3-log unit pathogen reduction by treatment in anaerobic, facultative and single maturation ponds is required.

TL;DR: The data revealed that the ponds remained thermally stratified for significant periods during the year despite their shallow depth, and the mean weekly and monthly air temperatures were found to be good predictors for the meanweekly and monthly pond water-column temperatures.