Table 2.

The values of fitting parameters of adsorption kinetics models of RY145 dye on the NiH/PP microparticles

qe,exp	Models	Model Parameters
18.20 mg g−1	pseudo-first-order	qe,cal = 17.12 (mg g−1) k1 = 0.0941 (min−1) R2 = 0. 9278
	pseudo-second-order	qe,cal = 18.98 (mg g−1) k2 = 0.0076 (g mg–1 min–1) R2 = 0.99882
	Elovich	α = 23.34 mg g−1 min–1 β = 0.371 g mg−1 R2 = 0.96498
	Intra-particle diffusion	ki1 = 1.495 mg g−1 min0.5 C1 = 7.08 R2 = 0.96327 ki2 = 0.339 mg g−1 min0.5 C2 = 14.44 R2 = 0.9486