A mechanism for the production of hydroxyl radical at surface defect sites on pyrite |
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| Authors: | Michael J Borda Alicia R Elsetinow Martin A Schoonen |
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| Institution: | 1 Department of Geosciences, E.S.S. Building, The State University of New York at Stony Brook, Stony Brook, NY 11794-2100, USA
2 Department of Chemistry, Temple University, Philadelphia, PA 19122, USA |
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| Abstract: | A previous contribution from our laboratory reported the formation of hydrogen peroxide (H2O2) upon addition of pyrite (FeS2) to O2-free water. It was hypothesized that a reaction between adsorbed H2O and Fe(III), at a sulfur-deficient defect site, on the pyrite surface generates an adsorbed hydroxyl radical (OH•). |
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