Removal Of Phosphorus By Metallic
Coagulation: An Experimental Aid To Dose
Computations
Author(s)
G.K. Luk
Abstract
For the removal of phosphorus from municipal wastewater, dissolved mono-
hydrogen phosphates are complexed into suspended particulates through the
addition of a metallic coagulant. Complex metal-phosphorus reaction,
precipitation kinetics, and hydroxide side reaction render stoichiometric
calculations invalid in the determination of the required coagulant dosage. This
study describes an experimental investigation using the standard jar-tests to
reveal the relationship between phosphorus removal and the required metal-
phosphorus molar ratio, under varying pH and initial conditions. The coagulants
selected for the study are ferric chloride and aluminum sulfate. Results define a
non-linear relati
Keywords
Related Book
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