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Optimisation of reaction conditions of particle aggregation in water purification – back to basics

P Polasek, S Mutl

Abstract


Basic types of pollutants in surface waters and methods for their removal are reviewed. Guidelines are provided for selecting the most effective hydrolysing destabilisation reagent (coagulant) for a particular quality surface water, which is polluted with different types of impurities, and optimising the reaction conditions under which its purification takes place.
Key words: mineral impurities, natural organic matter (NOM), natural biological materials (NBM), aggregation stability, aggregation destabilisation, optimum dosage, optimised reaction conditions, optimised dosage and optimised reaction pH
Water SA Vol.31(1) 2005: 62-72



http://dx.doi.org/10.4314/wsa.v31i1.5122
AJOL African Journals Online