Determination of granule size distribution in a UASB reactor

Vlyssides, A; Barampouti, EM; Mai, S

dc.contributor.author	Vlyssides, A	en
dc.contributor.author	Barampouti, EM	en
dc.contributor.author	Mai, S	en
dc.date.accessioned	2014-03-01T01:28:08Z
dc.date.available	2014-03-01T01:28:08Z
dc.date.issued	2008	en
dc.identifier.issn	0301-4797	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/18723
dc.subject	Granule density	en
dc.subject	Granule diameter	en
dc.subject	Granule size distribution	en
dc.subject	UASB	en
dc.subject	VSS/TSS ratio	en
dc.subject.classification	Environmental Sciences	en
dc.subject.classification	Environmental Studies	en
dc.subject.other	algorithm	en
dc.subject.other	anoxic conditions	en
dc.subject.other	bioreactor	en
dc.subject.other	settling velocity	en
dc.subject.other	size distribution	en
dc.subject.other	sludge	en
dc.subject.other	algorithm	en
dc.subject.other	anaerobic reactor	en
dc.subject.other	article	en
dc.subject.other	correlation analysis	en
dc.subject.other	flow kinetics	en
dc.subject.other	granule size	en
dc.subject.other	mathematical analysis	en
dc.subject.other	mathematical computing	en
dc.subject.other	particle size	en
dc.subject.other	sludge disposal	en
dc.subject.other	sludge settling	en
dc.subject.other	sludge treatment	en
dc.subject.other	suspended particulate matter	en
dc.subject.other	upflow reactor	en
dc.subject.other	Bioreactors	en
dc.subject.other	Particle Size	en
dc.subject.other	Sewage	en
dc.subject.other	Waste Disposal, Fluid	en
dc.title	Determination of granule size distribution in a UASB reactor	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.jenvman.2006.12.018	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.jenvman.2006.12.018	en
heal.language	English	en
heal.publicationDate	2008	en
heal.abstract	Granular sludge is the key factor for an efficient operation of an upflow anaerobic sludge blanket (UASB) reactor. In order to monitor the granularity of anaerobic sludge, the determination of the granule size distribution is of vital importance. For this reason, several techniques have been proposed; however, they are either tedious, imprecise or expensive and hardly applicable in full-scale treatment plants. There was then the need for a simple and low-cost technique. This technique involves the determination of the settling velocities of a sludge sample and of extrapolating the corresponding diameters using a mathematical algorithm. In the proposed algorithm, the granules density was calculated, the flow regime was examined and finally the granule size distribution was obtained. Two very important correlations were suggested by the experimental results. The granule density and diameter were strongly correlated with the VSS/TSS ratio. (C) 2007 Elsevier Ltd. All rights reserved.	en
heal.publisher	ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD	en
heal.journalName	Journal of Environmental Management	en
dc.identifier.doi	10.1016/j.jenvman.2006.12.018	en
dc.identifier.isi	ISI:000253379800008	en
dc.identifier.volume	86	en
dc.identifier.issue	4	en
dc.identifier.spage	660	en
dc.identifier.epage	664	en