Journal article

Comparison of physical characteristics and dewatering behaviour between granular and floccular sludges generated from the same sewage source

Konrad Krysiak-Baltyn, Raul Cavalida, Ben Thwaites, Petra J Reeve, Peter J Scales, Ben Van den Akker, Lydia Ong, Gregory JO Martin, Anthony D Stickland, Sally L Gras

Journal of Water Process Engineering | Elsevier BV | Published : 2019

Abstract

Aerobic granular sludge can improve the efficacy of wastewater treatment in existing sequencing batch reactors (SBRs) compared to conventional floccular sludge. Despite the well known advantages of increased capacity, reduced reactor footprint and enhanced nutrient removal, many performance characteristics of granular and floccular sludges have not been directly compared, in particular for sludges generated from treating the same sewage source. In this study we investigated the microstructure, microbial composition, settling and dewatering properties of granular and floccular sludge generated from the same sewage sources. Cryo-scanning electron microscopy analysis indicated that the granular..

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