Table 1. Adsorption isotherm parameters for Cu (II) ions with live and dead biomass of R. mucilaginosa.

	Langmuir model			Freundlich model
Type of biomass	qm(mg g−1)	b (L mg−1)	R2	KF (mg g−1)	1/n	R2
Live	12.7	0.046	0.988	0.59	0.44	0.641
Dead	26.2	0.031	0.984	0.74	0.61	0.850