Application Note: Elimination and determination of phosphates
Increased algal growth, which in the worst case can cause eutrophication of surface waters, is a consequence of high phosphate concentrations. Legal limit values for PO4-P in wastewater discharges should prevent scenes such as the above. Sewage treatment plants therefore carry out targeted phosphorus elimination in association with nitrification/denitrification, and/or chemically, with appropriate precipitants. Reliable PO4-P analysis is indispensable, not only for the purpose of monitoring compliance with limit values but also for the most efficient and cost effective control of phosphorus elimination.
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