Abbreviations
DSE	Directional Solvent Extraction
HEX	Heat Exchanger
MED	Multi-Effect Distillation
MSF	Multi-Stage Flashing
RO	Reverse Osmosis
Symbols
$\dot{Q}$	Heat transfer (kW)
$\dot{m}$	Mass flow rate (kg/s)
$\overline{h}$	Enthalpy (kJ/kmole)
$\overline{R}$	Universal gas constant (kJ/kmol-K)
$R$	Gas constant (kJ/kg-K)
$\overline{s}$	Entropy (kJ/kmole-K)
$s$	Entropy (kJ/kg-K)
$\overline{G}$	Gibbs free energy (kJ/kmole)
T	Temperature (°C)
x	Mass fraction
y	Mole fraction
Sa	Salinity (g/kg)
$\dot{P}$	Power (kW)
Subscripts
d	Destruction
gen	Generation
in	Inlet
mix	Mixing
o	Dead state
OA	Octanoic acid
out	Outlet
s	Solvent
sw	Seawater
w	Water
Superscripts
*	Restricted state
o	Dead state
E	Excess
Greek Symbols
$\Psi$	Flow exergy (kJ/kg)
µ	Chemical potential (kJ/kg)
${\eta }_{{\rm I}{\rm I}}$	Second-law efficiency