Arsenic Removal from Groundwater by Iron Impregnated Sand
Publication: Journal of Environmental Engineering
Volume 129, Issue 1
Abstract
A granular media known as iron impregnated sand (IIS), developed in the laboratory by impregnating iron on a quartz sand surface by a simple and easy process has proved more effective than iron oxide coated sand (IOCS). Kinetic and isothermal studies showed that the uptake potential of IIS media was much more than IOCS media. The sequence of anions studied competing with respect to As(III) on IIS media was The presence of ions significantly improved the removal efficiency. During column studies the breakthrough loadings of IOCS and 0.068) and IIS and 0.217) for water and simulated water, respectively, show that for IOCS is lower than for IIS under similar experimental conditions. A filter effluent of 68 L of simulated water passed through 250 g IIS contained less than 0.05 mg As/L.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 129 • Issue 1 • January 2003
Pages: 89 - 92
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Apr 30, 2001
Accepted: Feb 15, 2002
Published online: Dec 13, 2002
Published in print: Jan 2003
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