Volumetric Polymer Feed Rate Formula:
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Definition: Volumetric Polymer Feed Rate refers to the rate at which a polymer solution or emulsion is added to a system, typically a wastewater treatment process, in terms of volume per unit of time.
Purpose: It helps in determining the appropriate dosing of polymer solutions in various industrial and water treatment applications.
The calculator uses the formula:
Where:
Explanation: The formula converts mass feed rate to volumetric feed rate by accounting for the polymer's specific gravity and concentration in the solution.
Details: Accurate calculation ensures proper polymer dosing, which is critical for efficient water treatment, sludge dewatering, and other industrial processes.
Tips: Enter the polymer feed rate in kg/s, specific gravity of polymer (default 1.8), and percent polymer concentration (default 0.65 or 65%). All values must be > 0.
Q1: What is the constant 8.34 in the formula?
A: This is the conversion factor between pounds per gallon and kg/m³ (water density at standard conditions).
Q2: What's a typical specific gravity for polymers?
A: Most polymers have specific gravity around 1.8, but this can vary depending on the polymer type.
Q3: Why is polymer concentration important?
A: The concentration affects how much active polymer is actually being delivered per unit volume of solution.
Q4: How do I measure polymer feed rate?
A: Use mass flow meters or calculate from solution flow rate and concentration.
Q5: Can this calculator be used for other chemicals?
A: Yes, with appropriate specific gravity and concentration values for the chemical in question.