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Abstract The removal of phosphorus from municipal waste waters prior to their discharge into the receiving waters is practised widely and a number of effective and reliable techniques can be employed. In almost all of these, the phosphorus is removed from the aqueous phase into the sludge phase (either as a precipitated metal salt or as a component of the sludge biomass) along with other solids. There are, however, a growing number of techniques, some at a laboratory stage, a few in full scale operation where the phosphorus is removed in the form of a simple inorganic phosphate salt which may have utility for recycling in industrial applications. The potential for recovery and recycling of phosphorus is reviewed from both a historical and a modern industrial perspective. Keywords: Phosphorus recoveryphosphorus removalwastewater treatmentstruvitecalcium phosphate
Driver et al. (Thu,) studied this question.