In-Line Blending Ratio Control
Calculates the required flow ratio and additive flow rate to achieve a target blended concentration in an in-line blending system, along with checking pipe velocity and Reynolds number for operational guidance.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Water flow rate in SI units (Q1)
- m³/s
- m³/s
Required flow ratio Q2/Q1 (ratio)
- dimensionless
- dimensionless
Required additive flow rate (Q2_L)
- L/min
- L/min
Pipe cross-sectional area (A)
- m²
- m²
Mean velocity of water stream (v1)
- m/s
- m/s
Reynolds number for water stream (Re1)
- dimensionless
- dimensionless
Need this calculation offline?
Download Offline Excel CalculationContext & Assumptions
In-line blending ratio control is used in water treatment, food & beverage, specialty chemicals, and pharmaceuticals to adjust two process streams so their combined composition meets a specified target without using an agitated vessel. This saves space, reduces hold-up, and avoids off-spec product.
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