SWater`s Pills

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In an urban/industrial wastewater treatment plant is not always possible to evaluate  the pollutant load, through surveys and direct measurements in situ (usually expensive) of the scale and the relative concentrations of pollutants.

In the case of indirect evaluation, the hydraulic load in the sewer or the flow of wastewater to drain and to convey to a treatment plant, is estimated from the average consumption of water of the system serving the local area of interest.

The evaluation of the pollutant load is done through indirect measures, aimed at determining the specific parameters that allow you to identify the degree of biodegradability and solubility, so you can define the best strategy for removal.

In particular, the amount of nitrogen and phosphorus balance in excess of BOD5: N: P = 100: 5: 1 may determine, in the body of water, conditions similar to those of an indirect pollution: it is therefore possible, the establishment of eutrophication phenomena, resulting in the decrease of the concentration of dissolved oxygen, toxicity phenomena for aquatic fauna and the hygiene risk, thus leading to the necessity of removing the excess.

The flexibility of the SWATER ® code takes into account all the problems related to indirect evaluation of both hydraulic load and pollutant load. In particular, it takes into account that flow piped from sewage in dry weather, is generally not constant, but undergoes yearly, monthly, weekly, daily and hourly changes; it allows you to dynamically evaluate the quality of the effluent, the balance between BOD5, N and P, so as to keep under control the remaining ability of each treatment section.

All this and more is SWATER ®!

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