MW	molecular weight;
NaAlg	sodium alginate;
OSN	organic solvent nanofiltration;
API	active pharmaceutical ingredients;
WHO	World Health Organization;
CaCl2	calcium chloride;
AlCl3	aluminum chloride;
AgNO3	silver nitrate;
IR	infrared spectroscopy;
ATR	attenuated total reflection;
MWD	molecular weight distribution;
GPC	gel permeation chromatography;
NaCl	sodium chloride;
NIPS	non–solvent induced phase separation;
P	permeance, kg/m2 h bar;
m	weight of permeate, kg;
S	area of membrane, m2;
Δt	filtration time, h;
Δp	pressure drop, bar;
R	rejection, %;
Cp	dye concentrations in the permeate;
C0	dye concentrations in the feed;
EDX	dispersive elemental spectroscopy;
XRD	X-ray diffraction;
Ks	sorption, %;
m0	weight of the dry sample of membrane;
m1	weight of the swollen sample of membrane;
SEM	scanning electron microscopy;
DMF	dimethylformamide;
NMP	N–methyl–2–pyrrolidone;
EtOH	ethanol;
η	viscosity, mPa∙s;
ωprecipitant	concentration of precipitant in alginate solution, %;
δ t	Hildebrand parameter;
δ d	dispersion component of Hildebrand parameter;
δ p	polar component of Hildebrand parameter;
δ h	hydrogen bond component of Hildebrand parameter;
AgAlg	silver alginate;
CaAlg	calcium alginate;
AlAlg	aluminum alginate.