Engineering Tool
Chemical Dosing Calculator
Estimate the chemical dosing rate for a water-treatment application.
Formula
Dosing rate (L/h) = (dose mg/L × flow m³/h × 1000) / (concentration % × 10000)
Variables
- Flow — system flow rate (m³/h)
- Dose — target chemical dosage (mg/L)
- Concentration — chemical solution strength (% w/v)
Example
50 m³/h, 2 mg/L chlorine, 10% sodium hypochlorite: (2×50×1000)/(10×10000) = 1.0 L/h.
Application
Useful for preliminary chemical dosing estimates in water-treatment systems.
Limitations
Actual dosing depends on water quality, contact time, chemical purity and system design. This is a preliminary estimate only. Chemical handling and dosing design require qualified review.
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Request Engineering ReviewContextual enquiry · no obligationPreliminary calculation only. Not a certified engineering design. Final design must be validated by a qualified professional where required.