Description Usage Arguments Details Value Author(s)
Permeability coefficients across a membrane as derived from integrated Fick's law can be obtained from transport data according to the equation
\ln{\Bigg(\frac{C}{C^0}\Bigg)}= -\frac{P~a}{V}t
where P is the permeability coefficient, a is the membrane exposed area, C and C^0 are the species concentrations at any time and at initial time in the feed phase, respectively, and V is solution volume.
1 2 |
trans |
Data frame with the complete transport information of
interest species. Must be generated using
|
vol |
Volume of the feed solution. |
area |
Membrane exposed area to the feed solution. |
units |
Units in which volume, area and time are provided. Volume
and area are function's parameters while the time is
extracted from the |
conc0 |
Initial concentration of the species in the feed solution. The
value may be extracted from transport information if the data
frame provided in |
plot |
logical default to |
Species concentration units may be arbitrary as long as the permeability coefficient is calculated using the change in concentration ratio which is, as most ratios, adimensional
A numeric vector with the permeability coefficient and it's standard uncertainty from the regression. Units are meters per second.
Cristhian Paredes, craparedesca@unal.edu.co
Eduardo Rodriguez de San Miguel, erdsmg@unam.mx
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