Adsorption Properties of Lac Dyes on Wool, Silk, and Nylon

Table 1

Kinetic parameters for the adsorption of lac dyes on wool, silk, and nylon.

Temperature (°C)	Fibers	𝑞𝑒 (mg/g)	𝑡1/2 (min)	𝑘 (×10^−2 g/[mg·min])	ℎ𝑖 (mg/[g·min])	𝑅^2
70	Wool	42.92	22.498	0.104	1.91	0.9968
	Silk	30.21	0.737	4.490	40.98	0.9999
	Nylon	23.87	3.313	1.265	7.20	0.9992
80	Wool	40.65	7.268	0.339	5.59	0.9971
	Silk	27.55	0.457	7.938	60.24	0.9999
	Nylon	22.42	2.357	1.893	9.51	0.9998
90	Wool	39.37	3.094	0.821	12.72	0.9993
	Silk	25.00	0.163	24.615	153.85	0.9994
	Nylon	21.65	1.522	3.036	14.22	0.9987