Alum sludge-based constructed wetland system for enhanced removal of P and OM from wastewater : concept, design and performance analysis
|Title:||Alum sludge-based constructed wetland system for enhanced removal of P and OM from wastewater : concept, design and performance analysis||Authors:||Babatunde, A.O.
|Permanent link:||http://hdl.handle.net/10197/3170||Date:||Aug-2010||Online since:||2011-09-23T13:42:35Z||Abstract:||The concept, design and performance analysis of a four-stage novel constructed wetland system (CWs) capable of enhanced and simultaneous removal of phosphorus (P) and organic matter (OM) from wastewaters is described. Alum sludge, a largely available by-product of drinking water facilities using aluminium salts as coagulant was used as the media. Under a hydraulic loading rate of 1.27 m3/m2.d and a range of organic loading rate of 279.4–774.7 g-BOD5/m2.d and 361.1–1028.7 g-COD/m2.d, average removal efficiencies (mean ±SD) of 90.6 ±7.5% for BOD5 and 71.8 ±10.2% for COD were achieved, respectively. P removal was exceptional with average removal efficiency of 97.6 ±1.9% achieved for soluble reactive P at a mean influent concentration of 21.0 ±2.9 mg/l. Overall, the system holds great promise as a novel CWs for simultaneous removal of P and OM, and at the same time, it transforms alum sludge from a waste into a useful material.||Funding Details:||Other funder||Type of material:||Journal Article||Publisher:||Elsevier||Journal:||Bioresource Technology||Volume:||101||Issue:||16||Start page:||6576||End page:||6579||Copyright (published version):||2010 Elsevier Ltd.||Keywords:||Alum sludge; Constructed wetlands; Phosphorus; Tidal flow; Self organizing maps||Subject LCSH:||Water treatment plant residuals
|DOI:||10.1016/j.biortech.2010.03.066||Other versions:||http://dx.doi.org/10.1016/j.biortech.2010.03.066||Language:||en||Status of Item:||Peer reviewed|
|Appears in Collections:||Centre for Water Resources Research Collection|
Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection
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