The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Mechanism of the Degradation of 1,4-Dioxane in Dilute Aqueous Solution Using the UV/Hydrogen Peroxide Process
Abstract
1,4-Dioxane is an EPA priority pollutant often found in contaminated groundwaters and industrial effluents. The common techniques used for water purification are not applicable to 1,4-dioxane, and the currently used method (distillation) is laborious and expensive. This study aims to understand the degradation mechanism of 1,4-dioxane and its byproducts in dilute aqueous solution toward complete mineralization, by using the UV/H 2 O 2 process in a UV semibatch reactor. The decay of 1,4-dioxane generated several intermediates identified and quantified as aldehydes (formaldehyde, acetaldehyde, and glyoxal), organic acids (formic, methoxyacetic, acetic, glycolic, glyoxylic, and oxalic) and the mono- and diformate esters of 1,2-ethanediol. Measurement of the total organic carbon (TOC) during the treatment indicated a good agreement between the experimentally determined TOC values and those calculated from the quantified reaction intermediates, ending in complete mineralization. A reaction mechanism, which accounts for the observed intermediate products and their time profiles during the treatment, is proposed. Considering the efficacy of the 1,4-dioxane removal from dilute aqueous solutions, as shown in this work, the present study can be regarded as a model for industrially affordable Advanced Oxidation Technologies.
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Cites
Buxton, G. V., Greenstock, C. L., Helman, W. P., & Ross, A. B. (1988) · Journal of Physical and Chemical Reference Data · doi:10.1063/1.555805 · Cited by 12,332
Reactivity of HO2/O− 2 radicals in aqueous solution
Bielski, B. H. J., Cabelli, D. E., Arudi, R. L., & Ross, A. B. (1985) · Journal of Physical and Chemical Reference Data · doi:10.1063/1.555739 · Cited by 2,169
Cited by
A review of imperative technologies for wastewater treatment II: hybrid methods
Gogate, P. R., & Pandit, A. B. (2004) · Advances in Environmental Research · doi:10.1016/s1093-0191(03)00031-5 · Cited by 769
Yun, E.-T., Yoo, H.-Y., Bae, H., Kim, H.-I., & Lee, J. (2017) · Environmental Science & Technology · doi:10.1021/acs.est.7b02519 · Cited by 359
Lester, Y., Ferrer, I., Thurman, E. M., Sitterley, K. A., Korak, J. A., Aiken, G., & Linden, K. G. (2015) · Science of The Total Environment · doi:10.1016/j.scitotenv.2015.01.043 · Cited by 342
1,4-Dioxane drinking water occurrence data from the third unregulated contaminant monitoring rule
Adamson, D. T., Piña, E. A., Cartwright, A. E., Rauch, S. R., Hunter Anderson, R., Mohr, T., & Connor, J. A. (2017) · Science of The Total Environment · doi:10.1016/j.scitotenv.2017.04.085 · Cited by 123
Metadata
- Authors
- Stefan, M. I., & Bolton, J. R.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-04-17
- Volume
- 32
- Issue
- 11
- Pages
- 1588-1595
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W1967455757
- Cited by
- 253
- References
- 2
- FWCI
- 8.46
- Type
- journal article
- Language
- en
- Open access
- closed
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