Table 1.

The crystallite size of the prepared LDH and LDH/MO samples.

Samples	Crystallite size (nm)
	Before adsorption	After adsorption
As prepared	2.77	4.59
LDH-calcination 200 °C	3.45	4.17
LDH-calcination 400 °C	5.65	6.92
LDH-calcination 600 °C	8.16	19.82