A comprehensive review on sewage sludge as sustainable feedstock for bioenergy production
Desta Getachew Gizaw,
Selvakumar Periyasamy,
Zinnabu Tassew Redda
et al.
Abstract:The greatly rising amounts of sewage sludge from different sources are causing severe concerns around the globe. Disposal of sewage sludge is exceptionally difficult and poses serious environmental problems due to the significant quantity of toxic heavy metals and organic contaminants in its constituents. This review provides an overview of different conversion methods of sewage sludge into energy, that is, pyrolysis, hydrothermal gasification, hydrothermal liquefaction, hydrothermal carbonization, anaerobic d… Show more
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