Molecular sieving through 'layer-by-layer' self-assembly of polyelectrolytes and highly crosslinked graphene oxide

Functional Composite Materials

Table 2 Comparison studies of rejection of some FO membranes published in the literature

Membranes	Feed solution	Draw solution	Water flux (LMH)	Rejection rate	References
PSS-PDA crosslinked GO	DI water	2000 ppm NaCl and Mg (NO₃)₂ solution	32	95% and 97%	this work
GO-(SiO₃)_X	DI water	1.5 M NaCl solution	30	88%	[42]
GO/ Poly (NIPAM-MBA)	DI water	1 M NaCl solution	25.8	99.9%	[41]
GO/ Poly (NIPAM-MBA)	DI water	50 mM NaCl	25.8	53% 97%	[41]
PSS-PAH	DI water	MgSO₄ MgCl₂ Na₂SO₄	20	98% 86%	[43]
G-GQD	DI water	2000 ppm Na₂SO₄ solution	27	97%	[39]
pDA coated rGO	DI water	0.6 M NaCl solution	36.6	92%	[40]