Publications by authors named "Sari Urpilainen"

Article Synopsis
  • Bioaerosol release from composting plants poses health risks to workers and nearby residents, necessitating monitoring.
  • A year-long study measured Aspergillus fumigatus spores and mesophilic bacteria at different operational activities in a composting plant.
  • Major bioaerosol spikes occurred during shredding, turning, and screening of compost, but local residents faced minimal risks due to background-level air quality further downwind.
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Our earlier experiments in small composters (220 l) indicated the favourable effect of ash from co-incineration of sorted dry waste on the composting of catering waste. The aim of this new study was to clarify further, at a scale of 10 m3, the feasibility of using similar ash as an additive in composting. Source-separated catering waste was mixed with bulking agent (peat and wood chips) and fuel ash from a small (4 MW) district heating power plant.

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