Optimization of the Fabrication of Sustainable Ceramsite Adsorbent from Coal Fly Ash/Waterworks Sludge/Waste Glass for Decolorization of Malachite Green

Table 2

Parameters of the kinetic models for the adsorption of MG by X-Com-ceramsite.

Model	Parameter	X-Com-ceramsite
Pseudo-first-order
	(mg/g)	11.99
	(mg/g)	5.207
	(h^-1)	0.005
		0.982
Pseudo-second-order
	(g/(mg·h))	0.003
	(mg/g)	12.169
		0.999
	(mg/(h·g))	0.480
Weber and Morris intraparticle diffusion
	(mg/g·h^1/2)	0.968
	(mg/g)	1.234
		0.988
	(mg/g·h^1/2)	0.173
	(mg/g)	7.927
		0.936
	(mg/g·h^1/2)	0.042
	(mg/g)	10.37
		0.906