RTC-C/DC Software Module

Product #: LXZ531
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Is your chlorination/dechlorination process consuming staff time that could be better used elsewhere?

Proper disinfection is critical: without enough chlorine, harmful pathogens can cause serious health risks, but too much chlorine in treated water is toxic to aquatic life. Yet most plants don’t have dedicated staff to ensure process stability. If your plant is struggling with operations concerns such as manually adjusting pumps based on once-a-shift lab results, responding to dynamic chlorine demand, training newer operators or those unfamiliar with chlorine gas injection, or dealing with concerns over chemical storage and handling, there’s a better way.

Hach’s RTC-C/DC Software measures chlorine demand in real time—as it’s affected by fluctuating temperature, flow, TRC and pH—to deliver the precise chemical dosing to meet effluent chlorine limits. It maintains a user-defined CT value (concentration x contact time) in the contact tank by adjusting the chemical disinfectant dosage based on both influent flow and measurement of TRC at the end of the tank. It then releases the minimum amount of dechlorination chemical necessary to achieve effluent compliance. Although RTC-C/DC is a standardized solution, it includes built-in flexibility to provide additional calculations such as Total Chlorine Demand, Instantaneous Chlorine Demand, Chlorine Decay Demand, By-Product Formation (TTHM & HAA) Estimation, and Estimate of Log Inactivation. Fallback strategies, safety limits and condition-based monitoring are pre-programmed and configured to your specifications during commissioning.

Claros Process Management solutions for chlorination/dechlorination like RTC-C/DC 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.

  • Increase visibility
  • Increased operator safety
  • Optimized chemical usage
  • Stable compliance

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