Research Article
Enhanced Adsorption of Selenium Ions from Aqueous Solution Using Iron Oxide Impregnated Carbon Nanotubes
Figure 7
Effect of pH on the removal of selenium ions by raw and impregnated CNTs with different loading of iron oxide (agitation speed = 50 rpm, CNTs dosage = 10 mg, time = 6 hr, and initial concentration = 1 ppm).