Ustr	mV	Streaming potential
ε0	N/A2	Vacuum Permeability
ε	S/m	Fluid dielectric constant
η	Pa*s	Viscosity of the fluid
L	m	Length of the rectangular slot channel between two flat surfaces
A	m2	Cross section of the rectangular slot channel between two flat surfaces
R	Ω	Electrical resistance in the flow channel
L	L/m2·h·bar	Membrane permeability
ϵp	%	Membrane porosity
dp	m	Pore size
x	m	Membrane thickness
R	%	Rejection
Cp	%	Concentration of contaminants in the permeate
Cf	%	Concentration of contaminant in the feed
A	S/m	Conductivity
Lcond	L/m2·h·bar	Permeability as a function of the conductivity
V	m3	Volume
t	s	Filtration time
p	bar	Pressure
Permt	L/m2·h·bar	Permeability at filtration time t
Permi	L/m2·h·bar	Initial permeability