Table 2.

Previously reported LDHs for different dye adsorptions.

LHDs	Dye	Adsorption Capacity (mg/g)	Ref.
Cal. Mg/Al–LDH	Amaranth	0.704	[96]
Co/Zn/Al–LDH	Methylene blue	169.49	[97]
ZIF-67@Co/Al–LDH	Green bezanyl-F2B	57.24	[98]
Cal. Zn/(Al + Fe)–LDH	Methylene blue	487.9	[99]
ZIF-67@Co/Al–LDH	Methyl orange	180.5	[98]
DPA–Mg/Al–LDH	Eriochrome black-T	242.98	[100]
Mg/Al–Cl–Biochar –LDH	Methylene blue	406.47	[101]
WFS Mg/Fe–LDH	Congo red	9127.08	[102]
PVDF@Mg/Al–LDH	Methyl orange	621.17	[103]
NH2–Mg/Al–LDH–EDTA	Congo red	632.9	[104]
Co/Fe–LDH	Malachite Green	555.62	[91]
3D–Mg/Al–LDH	Congo red	1428.6	[105]
ZnO/SiO2–Zn/Al–LDH	Methyl orange	222.25	[106]
O3D–Mg/Al–LDH	Rhodamine B	377.89	[107]