The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Kinetics of Contaminant Degradation by Permanganate
Abstract
To provide a more complete understanding of the kinetics of in situ chemical oxidation (ISCO) with permanganate (MnO4-), we measured the kinetics of oxidation of 24 contaminants-many for which data were not previously available. The new data reported here were determined using an efficient method based on continuous measurement of the MnO4- concentration by absorbance spectrometry. Under these conditions, the kinetics were found to be first-order with respect to both contaminant and MnO4- concentrations, from which second-order rate constants (k") were readily obtained. Emerging contaminants forwhich k" was determined (at 25 degrees C and pH 7) include 1,4-dioxane (4.2 x 10(-5) M(-1) s(-1)), methyl t-butyl ether (MTBE) (1.0 x 10(-4) M(-1) s(-1)), and methyl ethyl ketone (MEK) (9.1 x 10(-5) M(-1) s(-1)). Contaminants such as 2,4,6-trinitrotoluene (TNT), the pesticides aldicarb and dichlorvos, and many substituted phenols are oxidized with rate constants comparable to tetrachloroethene (PCE) and trichloroethene (TCE) (i.e., 0.03-1 M(-1) s(-1)) and therefore are good candidates for remediation with MnO4- in the field. There are several--sometimes competing--mechanisms by which MnO4- oxidizes contaminants, including addition to double bonds, abstraction of hydrogen or hydride, and electron transfer.
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Citations
Cites
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Oxidation of polyvinyl alcohol by persulfate activated with heat, Fe2+, and zero-valent iron
Oh, S.-Y., Kim, H.-W., Park, J.-M., Park, H.-S., & Yoon, C. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2009.02.065 · Cited by 440
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Self-citationOxidative degradation of p-chloroaniline by copper oxidate activated persulfate
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Metadata
- Authors
- Waldemer, R. H., & Tratnyek, P. G.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-12-21
- Volume
- 40
- Issue
- 3
- Pages
- 1055-1061
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2036899440
- Cited by
- 356
- References
- 12
- FWCI
- 8.23
- Type
- journal article
- Language
- en
- Open access
- closed
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