Concentration Polarization Flux Limit (Film Theory)
Estimates the maximum permeate flux sustainable under concentration polarization using the film model.
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1. Define Input Parameters
2. Engineering Output
Maximum permeate flux (J_max)
- m/s
- m/s
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Concentration polarization occurs when rejected solutes accumulate at the membrane surface, forming a boundary layer. The film model balances convective transport toward the wall with diffusive back-transport, yielding a logarithmic relation for the limiting flux.
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