Souble Phosphorus Removal Through Adsorption on Spent Alum Sludge

Soluble phosphorus removal through adsorption on spent alum sludge is reported. In the investigation freshly precipitated spent alum sludge and alum are tested and compared for their efficiency to remove phosphorus in synthetic wastewater and it is proven than pure alum is much more efficient at pho...

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Published inEnvironmental technology Vol. 27; no. 10; p. 1081
Main Authors Georgantas, DA, Matsis, V M, Grigoropoulou, H P
Format Journal Article
LanguageEnglish
Published 01.10.2006
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Summary:Soluble phosphorus removal through adsorption on spent alum sludge is reported. In the investigation freshly precipitated spent alum sludge and alum are tested and compared for their efficiency to remove phosphorus in synthetic wastewater and it is proven than pure alum is much more efficient at phosphorus removal than the spent alum sludge. The effect of the pH on phosphorus removal efficiency is studied and it is proven that maximum orthophosphate removal is achieved in pH values 5-6 in both cases, alum and spent alum sludge, although alum is efficient in a wider pH range. The effect of aging on the efficiency of the spent sludge to remove phosphorus in synthetic wastewater is studied and it is proven that this efficiency is decreased through aging.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0959-3330