Panagiotis Tsapekos

TL;DR: A critical review that summarizes state-of-the-art technologies for biogas upgrading and enhancement with particular attention to the emerging biological methanation processes.

TL;DR: In this paper, a review of the most frequently employed manure management technologies from their state of the art, challenges, sustainability, environmental regulations and incentives, and improvement strategies is presented.

TL;DR: The effect of mechanical pretreatment on lignocellulosic silages biodegradability was elucidated in batch reactors and metagenomic analysis revealed clear differences in microbial community composition, mainly dominated by Proteobacteria.

TL;DR: In this paper, the state of the art of urban biowaste biorefinery concepts were presented, and different novel valorization pathways, namely single cell protein, biosuccinic acid, and lactic acid, as well as bioenergy production were consolidated into some scenarios.

TL;DR: Microbiological analyses showed that Methanosaeta concilii and Methanosarcina soligelidi were the dominant methanogens at low and high ammonia levels, respectively, and a unique metabolic pathway shift, from aceticlastic to hydrogenotrophic methanogenesis, of M.soligelidi was identified during the acclimatization process.