Adsorption Kinetics for the Removal of Hazardous Dye Congo Red by Biowaste Materials as Adsorbents

Table 4

Thermodynamic parameters and 𝑅_𝐿 values for the adsorption of congo red on GNC and EC at different temperatures.

Adsorbents	Temp. (K)	𝑅𝐿 values	−Δ𝐺 (KJ mol^−1)	Δ𝐻 (KJ mol^-1)	Δ𝑆 (JK^−1mol^−1)	𝑅^2
	308	0.20	27.41
GNC	313	0.19	27.97	16.06	141.0	0.98
	318	0.17	28.82
	308	0.22	27.23
EC	313	0.19	28.15	32.53	194.0	0.99
	318	0.16	29.17