Constant Level Diafiltration

In continuous diafiltration water is added to the tank at the same rate as permeate is being withdrawn.

Vs Volume tank m3
∫ QDF Total diafiltration water m3
σ Rejection of membrane (0...1) [/]
DF Diafiltration Factor 3 -fold
ck Relative concentration in tank at end of diafiltration 0.22 [/]
cp Mean permeate concentration in permeate collecting tank 0.26 [/]
Yr Yield in retentate 0.22 [/]
Yp Yield in permeate 0.78 [/]

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