Enhanced biohydrogen generation through calcium peroxide engendered efficient ultrasonic disintegration of waste activated sludge in low temperature environment

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dc.contributor.authorBanu, J. Rajesh
dc.contributor.authorPreethi
dc.contributor.authorGunasekaran, M.
dc.contributor.authorKumar, Vinod
dc.contributor.authorBhatia, Shashi Kant
dc.contributor.authorKumar, Gopalakrishnan
dc.date.accessioned2022-10-27T18:15:34Z
dc.date.available2022-10-27T18:15:34Z
dc.date.issued2022-10-27
dc.description.abstractWaste activated sludge is a renewable source for biohydrogen production, whereas the presence of complex biopolymers limits the hydrolysis step during this process, and thus pretreatment is required to disintegrate the sludge biomass. In this study, the feasibility of utilizing waste activated sludge to produce biohydrogen by improving the solubilization by means of thermo CaO2 engendered sonication disintegration (TCP-US) was studied. The optimized condition for extracellular polymeric substance (EPS) dissociation was obtained at the CaO2 dosage of 0.05 g/g SS at 70 °C. The maximum disintegration after EPS removal was achieved at the sonic specific energy input of 1612.8 kJ/kg TS with the maximum solubilization and SS reduction of 23.7% and 18.14%, respectively, which was higher than the US alone pretreatment. Thus, this solubilization yields higher biohydrogen production of 114.3 mLH2/gCOD in TCP-US sample.en_UK
dc.identifier.citationBanu JR, Preethi, Gunasekaran M, et al., (2022) Enhanced biohydrogen generation through calcium peroxide engendered efficient ultrasonic disintegration of waste activated sludge in low temperature environment. Bioresource Technology, Volume 365, December 2022, Article number 128164en_UK
dc.identifier.issn0960-8524
dc.identifier.urihttps://doi.org/10.1016/j.biortech.2022.128164
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18623
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectSolubilizationen_UK
dc.subjectDissociationen_UK
dc.subjectDisintegrationen_UK
dc.subjectBiohydrogenen_UK
dc.subjectHydrolysisen_UK
dc.subjectExtracellular polymeric substanceen_UK
dc.titleEnhanced biohydrogen generation through calcium peroxide engendered efficient ultrasonic disintegration of waste activated sludge in low temperature environmenten_UK
dc.typeArticleen_UK

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