Case Study

Advances In Online Colorimetric Analyzer Technology


As total phosphorus and other nutrient limits are driven lower, managers of Wastewater Treatment Plants (WWTP) are struggling to operate plants within permitted limits, while also trying to control operational costs. One significant cost is excessive flocculant dosing used for phosphorus removal. Many factors impact total phosphorus load and removal efficiency making it necessary, especially during the warmer months of the year, to run frequent grab-sample tests to ensure compliance. In addition to biological removal, many plants are dosing flocculant for phosphorus removal. But, flocculant is frequently overdosed to avoid exceeding discharge limits. This overdosing leads to a significant increase in operating costs.

The time and expense of frequent grab-sample testing make optimizing flocculant dosing nearly unachievable and very frustrating because process phosphorus levels can be hard to predict. To help address this issue, Endress+Hauser developed the Liquiline System CA80TP Total Phosphorus analyzer, a member of the Liquiline System CA80 platform of analyzers.

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