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http://dx.doi.org/10.1016/j.gloenvcha.2008.10.009

has been cited by the following article:

• TITLE: Coagulation Mechanisms during the Substitution of Inorganic Salts with Cationic Polymers to Increase the Sludge Value

  AUTHORS: Lelum Duminda Manamperuma, Harsha Chandima Ratnaweera

  KEYWORDS: Organic Polymers, Inorganic Coagulants, Plant Availability of Phosphorus, Phosphorus Removal, Coagulation Mechanisms

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.7 No.17, December 25, 2015

  ABSTRACT: Phosphorus in wastewater sludge is a valuable resource although coagulated sludge reported to give only 10% of plant availability of phosphates. Since all Al and Fe added as coagulants end up in sludge, the potential to substitute them with cationic coagulants was studied. During combined coagulation, substitution possibilities up to 44% were observed with low coagulant-to-particle ratio where the adsorption-charge neutralisation (ACN) anticipated being the predominant mechanism. Comparatively high coagulant-to-particle ratio preferred Sweep-floc mechanism giving