f	Concentration factor
KSP	Solubility product (molar)
LEP	Liquid entry pressure (mbar)
MD	Membrane distillation
$P_{\left(v,fw\right)}$	Freshwater vapor pressure (mbar)
$P_{\left(v,sw\right)}$	Saline water vapor pressure (mbar)
PP	Polypropylene
PTFE	Polytetrafluoroethylene
RO	Reverse osmosis
$S_{\mathit{A}}$	Absolute salinity (g/kg)
T	Absolute temperature (K)
${\mathit{M}}_{\mathit{C}}$	Feed mass under the membrane in the cell
${\mathit{M}}_{\mathit{F}}$	Sum of ${\mathit{M}}_{\mathit{C}}$ and the mass of liquid dispensed from the feed tank
VMD	Vacuum Membrane Distillation
WR	Water recovery