Pathogen regrowth in composted biosolids

TL;DRAbstract

Biosolids originating from wastewater treatment plants contain human pathogens, including Salmonella, which may present a health hazard to the general public. Composting is commonly used as an effective means of stabilising wastewater Biosolids and reducing pathogens to very low levels. However, it has been shown that under certain conditions Salmonella can regrow in previously composted Biosolids. The main aim of the research was to access the importance of indigenous microorganisms in the suppression of Salmonella regrowth in composted Biosolids. In addition, the effect of compost maturity on the pathogen regrowth potential was evaluated.

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