Full-scale biodrying process of municipal solid waste

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Abstract

The paper presents the results obtained in the full-scale waste biodrying reactor. The studied facility includes in the biological stage a rectangular-shaped, galvanized steel reactor equipped with a module for active aeration connected with a stove and a bio-filter for removing odours. The undersize fraction (O <80 mm) of the municipal solid waste (MSW) that undergoes mechanical pretreatment is treated by 14th days in the 150 m3 capasity reactor. Initial moisture content of the untreated waste was 54.65%. Moisture content was declined gradually during biodrying process. Temperature changes during 14th days of biodrying process were monitored with the maximum temperature 70°C. To assess the degree of stabilization of the biodried waste, the determination of the O2 uptake was measured. The oxygen demand of untreated waste was 53.16 mg O2/g d.m. and after 14th days for biodried waste oxygen consumption was 19.78 mg O2/g d.m. The results obtained in studies by respirometric dynamic method of oxygen uptake (expressed as O2/96h parameter) had been compared to the results performed using the static method, where AT4 is the applied indicator.

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APA

Dȩbicka, M., & Zygadło, M. (2017). Full-scale biodrying process of municipal solid waste. In E3S Web of Conferences (Vol. 17). EDP Sciences. https://doi.org/10.1051/e3sconf/20171700018

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