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Disintegration of Wastewater Activated Sludge (WAS) for Improved Biogas Production

descriptionPublicationkeyboard_double_arrow_right Article , Journal 21 Dec 2018 Poland Publisher:MDPI AGJournal:Energies, volume 12, page 21 (eissn: 1996-1073,

Authors: Stanisław Wacławek; Klaudiusz Grübel; Daniele Silvestri; Vinod V. T. Padil; Maria Wacławek; Miroslav Černík; Rajender S. Varma;

doi: 10.3390/en12010021

Disintegration of Wastewater Activated Sludge (WAS) for Improved Biogas Production

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Abstract

Due to rapid urbanization, the number of wastewater treatment plants (WWTP) has increased, and so has the associated waste generated by them. Sustainable management of this waste can lead to the creation of energy-rich biogas via fermentation processes. This review presents recent advances in the anaerobic digestion processes that have led to greater biogas production. Disintegration techniques for enhancing the fermentation of waste activated sludge can be apportioned into biological, physical and chemical means, which are included in this review; they were mainly compared and contrasted in terms of the ensuing biogas yield. It was found that ultrasonic- and microwave-assisted disintegration provides the highest biogas yield (>500%) although they tend to be the most energy demanding processes (>10,000 kJ kg−1 total solids).

Country

Poland

Related Organizations

University of Bielsko-Biała
Poland
Regional Centre of Advanced Technologies and Materials
Czech Republic
University of Bielsko-Biała
Poland
University of Opole
Poland
Palacký University, Olomouc
Czech Republic

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Keywords

anaerobic digestion, Technology, disintegration, T, renewable energy, waste activated sludge, biogas

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	43
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%