. 2018 Dec 28;12(1):94. doi: 10.3390/ma12010094

Table 1.

Summary of the column tests carried out on recycled waste porous glass (RWPG) sorbent (10 g RWPG, 0.5–1 mm bead size range, pH = 6, and T = 298 K).

Test No.	Metal Specie	Solution	Flow Rate (Lh⁻¹)	Influent Concentration (mgL⁻¹)
1	Pb⁺²	single	0.2	2
2	Cd⁺²	single	0.2	2
3	Ni⁺²	single	0.2	2
4	Pb⁺²	binary	0.2	2
4	Cd⁺²	binary	0.2	2
5	Pb⁺²	binary	0.2	2
5	Ni⁺²	binary	0.2	2
6	Pb⁺²	ternary	0.2	2
	Cd⁺²	ternary	0.2	2
	Ni⁺²	ternary	0.2	2
7	Pb⁺²	ternary	0.2	3
8	Pb⁺²	ternary	0.2	4
9	Pb⁺²	ternary	0.2	5
	Cd⁺²	ternary	0.2	5
	Ni⁺²	ternary	0.2	5
10	Pb⁺²	ternary	0.15	2
11	Pb⁺²	ternary	0.3	2
12	Pb⁺²	ternary	0.4	2