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10. Glossary
membrane; membrane
Permselective material, i.e. able to modulate the flow rates of different compounds, based on different molecular mechanisms, when a driving force is applied.
permeability
Normalized speed of passage of a compound through a given material in terms of surface area, thickness and driving force.
permeance; permeance
Characteristic of a membrane material enabling quantification of the flux of a species based on the driving force.
sampling rate; stage cut
Characteristic of a module's operating mode, expressing the ratio between the total flow rate through the membrane and the total flow rate at the inlet.
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