The reduction of aqueous metal species on the surfaces of Fe(II)-containing oxides: The role of surface passivation
ACS Symposium Series
By: A. F. White and M. L. Peterson
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Abstract
The reduction of aqueous transition metal species at the surfaces of Fe(II)- containing oxides has important ramifications in predicting the transport behavior in ground water aquifers. Experimental studies using mineral suspensions and electrodes demonstrate that structural Fe(II) heterogeneously reduces aqueous ferric, cupric, vanadate and chromate ions on magnetite and ilmenite surfaces. The rates of metal reduction on natural oxides is strongly dependent on the extent of surface passivation and redox conditions in the weathering environment. Synchrotron studies show that surface oxidation of Fe(II)-containing oxide minerals decreases their capacity for Cr(VI) reduction at hazardous waste disposal sites.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The reduction of aqueous metal species on the surfaces of Fe(II)-containing oxides: The role of surface passivation |
| Series title | ACS Symposium Series |
| DOI | 10.1021/bk-1998-0715.ch016 |
| Volume | 715 |
| Year Published | 1998 |
| Language | English |
| Publisher | ACS Publications |
| Contributing office(s) | National Research Program - Western Branch |
| Description | 19 p. |
| First page | 323 |
| Last page | 341 |
| Google Analytic Metrics | Metrics page |