The Breakthrough Time Analyses of Lead Ions in CCL considering Different Adsorption Isotherms

Table 1

Analyses scheme.

Cases	Waterhead on liner (m)	Concentration (mg/L)	Adsorption model	Adsorption parameters	Absolute breakthrough time ta (year)	Relative breakthrough time t0.1 (year)
1	10	1000	Linear (straight)	Rd = 8(Kd = 0.00417 L/g)	17.63	35.71
2	10	100			21.28	35.71
3	10	10			26.58	35.71
4	10	1000	Langmuir (convex)	Q^0 = 7 mg/g, b = 0.00148 L/mg	35.43	47.94
5	10	100			46.27	77.23
6	10	10			59.6	81.22
7	10	1000	Freundlich (concave)	KF = 0.000132 L/g, nf = 1.5	2.77	20.69
8	10	100			3.1	9.54
9	10	10			3.7	5.91
10	0.3	1000	Linear (straight)	Rd = 12.5(Kd = 0.006856 L/g)	84.16	225.42
11	0.3	1000	Langmuir (convex)	Q0 = 12 mg/g, b = 0.00133 L/mg	173.88	334.92
12	0.3	1000	Freundlich (concave)	KF = 0.000217 L/g, nf = 1.5	11.42	122.21