Permeable Adsorbing Barriers for groundwater remediation from hexavalent chrome pollution
by Michele Di Natale, Roberto Greco, Dino Musmarra
International Journal of Environmental Technology and Management (IJETM), Vol. 7, No. 1/2, 2007

Abstract: Chrome ions removal from aqueous solutions by adsorption onto an activated carbon (Aquacarb 207EA™ by Sutcliffe Carbon) and a South African coal char is illustrated. Different chrome concentrations, pH and salinity levels are tested. Experimental data are interpreted by means of a Langmuir approach-based model. Results show that a Permeable Adsorbing Barrier (PAB) made of Aquacarb 207EA™ can protect a shallow aquifer from topsoil Cr^(VI) leaching even during heavy rainfalls and that Cr^(VI) is desorbed in dry periods, when clean water crosses the PAB, without any dangerous release in the aquifer.

Online publication date: Fri, 13-Apr-2007

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