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Chlorine Dioxide Dosing Formula:
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The Chlorine Dioxide Dosing Calculation determines the required dosing rate of chlorine dioxide based on water flow rate, demand, and desired residual concentration. It is essential for effective water treatment and disinfection processes.
The calculator uses the dosing formula:
Where:
Explanation: The equation calculates the total amount of chlorine dioxide needed per minute to meet both the initial demand and maintain the desired residual concentration in the water flow.
Details: Accurate dosing calculation is crucial for effective water disinfection, ensuring proper microbial control while maintaining safe residual levels and optimizing chemical usage.
Tips: Enter flow rate in L/min, demand and residual in mg/L. All values must be valid positive numbers (flow > 0, demand ≥ 0, residual ≥ 0).
Q1: What is chlorine dioxide demand?
A: Chlorine dioxide demand is the amount of chlorine dioxide consumed by reactions with organic matter, inorganic compounds, and microorganisms in the water before a residual can be established.
Q2: What are typical residual concentrations?
A: Typical residual concentrations range from 0.1-0.5 mg/L for drinking water disinfection, depending on water quality and regulatory requirements.
Q3: How often should dosing be calculated?
A: Dosing should be recalculated whenever flow rates change significantly or when water quality parameters affecting demand vary.
Q4: Are there safety considerations?
A: Yes, chlorine dioxide is a strong oxidizer. Proper safety protocols should be followed during handling, and residual levels should be monitored to ensure they remain within safe limits.
Q5: Can this calculation be used for other disinfectants?
A: While the basic principle is similar, different disinfectants have varying demand characteristics and residual requirements, so specific calculations may differ.