Research Article
Waste Foundry Sand as Permeable and Low Permeable Barrier for Restriction of the Propagation of Lead and Nickel Ions in Groundwater
Figure 3
Removal efficiencies of Pb+2 and Ni+2 ions onto WFS at different values of (a) sorbent dosage, (b) initial concentration, and (c) agitation speed as well as (d) Langmuir isotherm model for sorption data.
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