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Solute Underflow Leaving Column based on Recovery of Solute Calculator

Solute Underflow Formula:

\[ S_N = S_0 \times (1 - \text{Recovery}) \]

kg/s

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1. What is Solute Underflow Leaving Column based on Recovery of Solute?

Definition: This calculator determines the amount of solute leaving in the underflow of a continuous leaching operation based on the entering solute amount and recovery rate.

Purpose: It helps chemical engineers and process designers evaluate solute distribution in leaching processes.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ S_N = S_0 \times (1 - \text{Recovery}) \]

Where:

Explanation: The formula calculates the solute that remains in the underflow stream after accounting for the recovered solute.

3. Importance of Solute Underflow Calculation

Details: Accurate calculation helps optimize leaching processes, design separation systems, and evaluate process efficiency.

4. Using the Calculator

Tips: Enter the solute amount in entering underflow (kg/s) and recovery rate (0-1, default 0.8). All values must be positive with recovery between 0 and 1.

5. Frequently Asked Questions (FAQ)

Q1: What is solute underflow in leaching?
A: It's the stream containing the carrier solid and unextracted solute that leaves the bottom of the leaching column.

Q2: How is recovery rate determined?
A: Recovery is typically determined experimentally or from process data as the ratio of solute recovered to solute fed.

Q3: What units should be used?
A: The calculator uses kg/s for solute flow rates, but any consistent mass/time units can be used.

Q4: Can recovery be greater than 1?
A: No, recovery is a fraction between 0 (0%) and 1 (100%).

Q5: What if all solute is recovered?
A: With 100% recovery (1.0), the underflow leaving would contain zero solute.

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