Evaluation of a Zinc Clinoptilolite for Drinking Water Treatment - Aquananotechnology: Global Prospects - page 615

400 Initial

Final

300

200

100

0 20 40 60

Volume (L)

FIGURE 30.10
Water hardness after treatment with the ZZ system.

TABLE 30.6
Metal Concentration in Drinking Water Treated with ZZ

Sample/Volume Water C(Cd) (mg/L) C(Cr) (mg/L) C(Mn) (mg/L) C(Ni) (mg/L) C(Pb) (mg/L)
I control <Ld <Ld <Ld 0.03 0.02
II control <Ld <Ld <Ld 0.02 <Ld
III control <Ld <Ld <Ld <Ld <Ld
IV control <Ld <Ld <Ld 0.02 <Ld
V control <Ld <Ld <Ld 0.02 <Ld
2 <Ld <Ld 0.02 0.02 <Ld
6 <Ld <Ld <Ld 0.03 0.03
10 <Ld <Ld <Ld 0.02 0.02
16 <Ld <Ld <Ld 0.03 <Ld
20 <Ld <Ld <Ld 0.02 <Ld
24 <Ld <Ld <Ld 0.03 <Ld
30 <Ld <Ld <Ld 0.02 0.02
40 <Ld <Ld <Ld <Ld <Ld
46 <Ld <Ld <Ld 0.02 <Ld
50 <Ld <Ld <Ld 0.02 0.02
60 <Ld <Ld <Ld <Ld 0.03
80 <Ld <Ld <Ld <Ld 0.02
100 0.002 <Ld <Ld 0.02 0.02
125 <Ld <Ld <Ld 0.03 0.02
150 <Ld <Ld <Ld 0.02 <Ld
175 <Ld <Ld <Ld 0.02 0.02
200 <Ld <Ld <Ld 0.03 0.02
Ld (mg/L) 0.002 0.01 0.01 0.02 0.02
AMC (mg/L) 0.005 0.05 0.1 0.02 0.05
Note: Ld, experimental detection limit; AMC, admissible maximum concentration (Cuban standard NC 827:
2010).