RTC-SRT Software Module

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Product #: LXZ518

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Are you wasting resources chasing ideal sludge age?

A winning combination of sludge retention time, biological health and MLSS level in the treatment basin is key to BOD/COD compliance, stable nitrification and energy efficiency in your activated sludge system. But with DO, temperature and sludge waste volume in constant flux, you could instead be experiencing poor settleability, filament outbreaks, discharge permit violations, process instability, or increasing labor and chemical costs to manage your biomass. If sludge age isn’t right, it can seem as if your system’s positive energy balance will never quite reach its full potential.

With the aid of technology, however, you can ensure that the amount and type of biology in your treatment basin are always correctly aligned with the conditions. Hach’s RTC-SRT Software automatically calculates the ideal sludge age to correspond with real-time sewage temperature and MLSS concentration, as well as biological growth and decay rates, then it determines the required amount of excess sludge to be removed in order to meet your system’s exact aerobic demands. Especially important with intermittent or carousel ASP’s, RTC-SRT can be used to maintain ideal conditions for ammonium removal during winter MLSS lows and summer MLSS peaks that place undue pressure on blowers. Although RTC-SRT is a standardized solution, it has built-in flexibility. Manually enter a sludge age (e.g. 3.5 days) to inhibit nitrification, or specify minimum and maximum MLSS levels to protect against sludge blanket loss in the event of temporary poor settlement.

Claros Process Management solutions for BOD/COD removal and nitrification/denitrification like RTC-SRT are designed to make the most of your plant’s real-world conditions by transforming every uncertainty into an opportunity for measurement, responsive action, and savings.