Electro-Dialysis Calculator

Solution normality (N) : gram-equivalents/liter
Flow rate (Q) : liter/second
Removal efficiency (E1) :
Number of cells (n) :
Current efficiency (E2) :
Current (I):

What is an Electro-Dialysis Calculator?

An Electro-Dialysis (ED) Calculator is a tool used to determine various parameters in an electrodialysis system, such as ion removal efficiency, energy consumption, membrane requirements, and operational costs. Electrodialysis is a separation process that uses electrical potential to move ions through selective membranes to purify or concentrate solutions, often used for water desalination and industrial wastewater treatment.

Why is an Electro-Dialysis Calculator Important?

  1. System Design & Optimization – Helps engineers and researchers design efficient electrodialysis units.
  2. Energy Efficiency – Estimates power consumption to optimize energy use.
  3. Performance Monitoring – Assesses desalination rate, recovery ratio, and operational feasibility.
  4. Cost Estimation – Aids in evaluating membrane replacement costs, power costs, and overall system expenses.

How Does an Electro-Dialysis Calculator Work?

It typically calculates parameters using formulas based on electrodialysis principles:

1. Basic Equations for ED Calculation:

  • Ion Flux (J):

    where:

    • I = Current (A)
    • z = Ion charge number
    • F = Faraday’s constant (96,485 C/mol)
  • Power Consumption (P):

    P = VI

    where:

    • V = Voltage applied (V)
    • I = Current (A)
  • Desalination Rate (% Removal):

    where:

    • Cin = Initial ion concentration
    • Cout = Final ion concentration
  • Membrane Area Calculation:

    where:

    • A = Membrane area (m²)
    • Q = Flow rate (L/h or m³/s)
    • f = Fraction of ions removed

When is an Electro-Dialysis Calculator Used?

  • Water Treatment & Desalination – For brackish water and seawater desalination projects.
  • Industrial Processes – In food, pharmaceutical, and chemical industries for ion separation.
  • Wastewater Management – To remove heavy metals and other contaminants from industrial effluents.
  • Research & Development – For experimental studies on electrodialysis performance.