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- W2157354910 abstract "Corrosion kinetics of Fe 0 in aqueous at pH 2 is controlled by the transport step of productsfrom redox reaction through a liquid film layer from iron surface to bulk solution which can berepresented by the following equation: d[Fe 2+ ]/dt= 5.9 x x t -(1/2) where d[Fe2+]/dt is in mg.l -1 .min -1 , [Area] is surface area concentration of Fe 0 in m 2 .l -1 , tis time in min, and the rate constant in mg.m -2 .min -0.5 . The redox reaction of Fe 0 with Cr(VI) is morerapid than that with water and is the first order with respect to Cr(VI) and Fe0 surface areaconcentrations; hence, the second order overall as follows: d[Cr(VI)]/dt= -0.0018 x x where d[Cr(VI)]/dt is in mg.l -1 min -1 , [Cr(VI)] is in mg.l -1 , and the rate constant inl.m -2 .min -1 . The results from Goodness of Fit Test show that there is no significant lack of fit at 95% confidence for both rate equations obtained in this study. Keywords : Zero-valent Iron / Hexavalent Chromium / Corrosion / Reduction / Redox Reaction" @default.
- W2157354910 created "2016-06-24" @default.
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- W2157354910 date "2012-10-18" @default.
- W2157354910 modified "2023-09-24" @default.
- W2157354910 title "Kinetics for Metallic Iron Corrosion and Hexavalent Chromium Reduction" @default.
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