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As(III) oxidation using chemical and solid‐phase oxidants
Abstract
The effectiveness of seven oxidants—chlorine (Cl 2), permanganate (MnO 4−), ozone (O 3), monochloramine (NH 2 Cl), chlorine dioxide (ClO 2), a manganese dioxide‐based solid‐oxidizing media, and 254‐nm ultraviolet radiation—for arsenite [As(III)] oxidation to arsenate was studied. The effect of water chemistry variables including pH, temperature, and interfering reductants (manganous and ferrous ions, sulfide, and total organic carbon [TOC]) was investigated. Cl 2 and MnO 4− provided complete oxidation in less than 1 min under all conditions tested. The effectiveness of O 3 was significantly attenuated in the presence of TOC. Both ClO 2 (an otherwise powerful oxidant) and NH 2 Cl were ineffective for As(III) oxidation. When dissolved oxygen (DO) was not limiting, the solid‐oxidizing media provided complete oxidation. However, with low DO and interfering reductants, incomplete oxidation was observed. The adverse effect of interfering reductants was eliminated either by supplying enough DO or reducing the flow rate. UV light alone (254 nm) was not effective, but complete As(III) oxidation was observed when the feedwater was spiked with 1 mg/L of sulfite.
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Reintroduction of surface water as a source of safe drinking water would require antimicrobial treatment such as disinfectants, pond sand filters, or combined surface water treatment units.
“Reintroduction of surface water as a source of safe drinking water would require antimicrobial treatment like incorporation disinfectants, use of pond sand filters (PSF) [136], or combined surface water treatment units.”
From Arsenic Contamination of Groundwater: A Review of Sources, Prevalence, Health Risks, and Strategies for Mitigation (2014) · cites this paper as [136]
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No references could be resolved yet.
Research works printed but not linked: 18
- Amy G., 2000, Arsenic Treatability Options and Evaluation of Residuals Management Issues (report 90771)
- AWWA, 1991, Guidance Manual for Compliance With the Filtration and Disinfection Requirements for Public Water Systems Using Surface Water Sources
- Clifford D.A., 1999, Water Quality and Treatment
- Clifford D.A., 1998, Final Rept.: Phase 3, City of Albuquerque Arsenic Study
- Clifford D.A., 1997, Final Rept. Phases 1 and 2, City of Albuquerque Arsenic Study
- 10.1016/0043-1354(94)E0089-O · DOI
- 10.1016/0043-1354(72)90052-8 · DOI · Paper page
- Ghurye G.L., 2001, Laboratory Study on the Oxidation of Arsenic III to As(V). EPA/600/R‐01/021
- Hach Company 1993(2nd ed.).Hach Analysis Handbook.Loveland Colo.
- Hering J.G., 1996, Arsenic Removal by Enhanced Coagulation and Membrane Processes (report 90706)
- Karori S., 2003, Field Speciation Method for Arsenic Inorganic Species
- Knocke W., 1990, Alternative Oxidants for the Removal of Soluble Iron and Manganese (report 90573)
- 1992, Lange's Handbook of Chemistry
- 10.1346/CCMN.1990.0380512 · DOI
- 10.2136/sssaj1983.03615995004700040007x · DOI
- Rubel F., 1985, Pilot Study for the Removal of Arsenic From Drinking Water at the Fallon, Nevada, Naval Air Station
- 10.1021/es00008a006 · DOI
- 1992, Standard Methods for the Examination of Water and Wastewater
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Shankar, S., Shanker, U., & Shikha (2014) · The Scientific World Journal · doi:10.1155/2014/304524 · Cited by 616
“AsV adsorbsmore freely onto solid surfaces than AsIII and, thus, oxidation followed by adsorption is deemed to be effective for the removal ofAs [141, 142].”
Background
Metadata
- Authors
- Ghurye, G., & Clifford, D.
- Venue
- Journal AWWA
- Publisher
- Wiley
- Published
- 2004-01
- Volume
- 96
- Issue
- 1
- Pages
- 84-96
- ISSN
- 0003-150X (ISSN-L)
- 1551-8833
- OpenAlex
- W2793124680
- Cited by
- 79
- References
- 0
- Citations by year
- 2025: 1 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 9 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 4 · 2014: 6 · 2013: 6 · 2012: 5
- FWCI
- 1.95
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Water Works Association (publishedVersion)
- Funders
- U.S. Environmental Protection Agency (8C‐R311‐NAEX)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Arsenic contamination and mitigation
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Keywords
- arsenite oxidation, arsenate, chemical oxidants, manganese dioxide, chlorine, permanganate, ozone, chlorine dioxide, monochloramine, ultraviolet disinfection, dissolved oxygen, sulfide, total organic carbon, water treatment
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