Removal of Arsenic From Ground Water Using Granular Activated Carbonby Brock D. Buche,
Lawrence P. Owens, (M.ASCE),
Abstract: Batch adsorption isotherm studies found that activated carbon (Hydrodarco, 14 X 40 mesh, American Norit) had removals of arsenic as high as 94% for a GAC dosage of 100 g/L and an initial arsenic concentration of 89 μg/L. Kinetics of the Hydrodarco GAC showed removals of 90% for a contact time of one hour. A rapid-small-scale-column-test established that breakthrough (5 μg/L occurred after 2.73 hours and that column exhaustion occurred after 7.72 hours.
Subject Headings: Arsenic | Activated carbon | Adsorption | Mesh generation | Kinetics | Columns | Groundwater | Granular materials
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