Advanced Anaerobic Digestion Yields Higher Biogas Generation & Higher Throughput at Tarnow WWTP, Poland

Mukawa, J., Kosciukiewicz, J., Niedzielska, A., Sahu, A.K.

18th IWA World Conference on Anaerobic Digestion, 2024

Abstract

Biogas generation from sewage sludge (SS) has become a common practice in the world today and anaerobic digestion (AD) is considered one of the most sustainable ways to treat sludge and produce biosolids for reuse, thus addressing the Circular Economy models. In Poland, there are currently over 140 SS AD installations at municipal plants, which have over 120 biogas power plants. A case study of Tarnow wastewater treatment plant (wwtp) has been presented here, which installed a thermal hydrolysis process (THP) prior to AD, to generate higher quantity of biogas for energy purpose, thus becoming one of the few advanced anaerobic digestion (AAD) installations in Poland. THP is a proven technology and several utilities around the world have adopted this technology for enhanced biogas generation, higher
quality of pathogen free biosolids for further applications and lower quantity of biosolids production resulting in overall reduction in carbon footprint for utilities.

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