Experimental Analysis for Determining Potential of Wastewater Sludge Mixed with Degraded Biomass as Substrates for Biogas Production

Adrian Eugen Cioabla, Francisc Popescu () and Timotei Bogdan Bacos
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Adrian Eugen Cioabla: Faculty of Mechanical Engineering, University Politehnica Timisoara, 300002 Timisoara, Romania
Francisc Popescu: Faculty of Mechanical Engineering, University Politehnica Timisoara, 300002 Timisoara, Romania
Timotei Bogdan Bacos: Faculty of Mechanical Engineering, University Politehnica Timisoara, 300002 Timisoara, Romania

Energies, 2022, vol. 15, issue 22, 1-9

Abstract: In the context of increased energy demands and finding solutions for energetic autonomy, the use of waste base materials has increased in recent years in all areas of research. In this context, waste waters, sludge or slurry, biodegradable materials, second generation effluents, and their byproducts are some of the key substrates of interest to obtain biogas through AD (anaerobe digestion). The goal is to utilize these materials as a base for the generation of renewable energy and thereby make it the main source of energy for households or industries. This paper aims to characterize, from a physical and chemical point of view, wastewater from Timis county as a base substrate material in the co-fermentation process with cereal residual biomass. We aimed to determine the energetic potential of the wastewater and perform preliminary testing at a small and pilot-sized experimental installation for biogas production with Timis wastewater as the main energy carrier. The novelty of the paper stems from the use of a patented pilot installation as our experimental approach, as well as the use of a different comparative scale co-fermentation process for biogas production. The conclusions will be traced relative to the obtained results, and preliminary solutions will be proposed for further avenues on this topic.

Keywords: anaerobe digestion; biogas; waste waters; waste biomass; waste sludge; lignocellulose; energetic potential (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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