Reactions of chlorite with activated carbon and with vanillic acid and indan adsorbed on activated carbon |
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| Authors: | EA Voudrias LMJ Dielmann III VL Snoeyink RA Larson JJ McCreary ASC Chen |
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| Affiliation: | 1. Department of Civil Engineering and Institute for Environmental Studies, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA;2. Department of Environmental Engineering Sciences, University of Florida, Gainesville, FL 32611, U.S.A. |
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| Abstract: | The reaction between chlorite (CIO2) and vanillic acid, at pH 6.0 in the presence of granular activated carbon (GAC), yielded several reaction products identifiable by GC/MS; no products were found in the absence of GAC. Indan and C1O2 or C1O2 reacted in aqueous solution and gave similar products in the presence and absence of GAC. Carbon exposed to C1O2− appears to become capable of promoting hydroxylation, decarboxylation, ring cleavage and CO2 addition reactions with vanillic acid.Chlorite in aqueous solution was reduced by GAC predominantly to Cl−. The capacity of one type of virgin GAC for C1O2− reduction to Cl− was about 80–90 mg C1O2− g−1 GAC before the rate of reaction was sharply reduced. |
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