The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Removal of Organoarsenic with Ferrate and Ferrate Resultant Nanoparticles: Oxidation and Adsorption
Abstract
Many investigations focused on the capacity of ferrate for the oxidation of organic pollutant or adsorption of hazardous species, while little attention has been paid on the effect of ferrate resultant nanoparticles for the removal of organics. Removing organics could improve microbiological stability of treated water and control the formation of disinfection byproducts in following treatment procedures. Herein, we studied ferrate oxidation of p -arsanilic acid ( p -ASA), an extensively used organoarsenic feed additive. p -ASA was oxidized into As(V), p -aminophenol ( p -AP), and nitarsone in the reaction process. The released As(V) could be eliminated by in situ formed ferric (oxyhydr) oxides through surface adsorption, while p -AP can be further oxidized into 4,4′-(diazene-1,2-diyl) diphenol, p -nitrophenol, and NO 3 – . Nitarsone is resistant to ferrate oxidation, but mostly adsorbed (>85%) by ferrate resultant ferric (oxyhydr) oxides. Ferrate oxidation (ferrate/ p -ASA = 20:1) eliminated 18% of total organic carbon (TOC), while ferrate resultant particles removed 40% of TOC in the system. TOC removal efficiency is 1.6 to 38 times higher in ferrate treatment group than those in O 3, HClO, and permanganate treatment groups. Besides ferrate oxidation, adsorption of organic pollutants with ferrate resultant nanoparticles could also be an effective method for water treatment and environmental remediation.
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Citations
Cites
Lee, Y., Um, I.-H., & Yoon, J. (2003) · Environmental Science & Technology · doi:10.1021/es034203+ · Cited by 299
Cited by
Qian, K., Chen, H., Li, W., Ao, Z., Wu, Y.-N., & Guan, X. (2021) · Environmental Science & Technology · doi:10.1021/acs.est.0c08805 · Cited by 517
Metadata
- Authors
- Yang, T., Wang, L., Liu, Y., Jiang, J., Huang, Z., Pang, S.-Y., Cheng, H., Gao, D., & Ma, J.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-10-22
- Volume
- 52
- Issue
- 22
- Pages
- 13325-13335
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2897940818
- Cited by
- 181
- References
- 1
- FWCI
- 6.26
- Type
- journal article
- Language
- en
- Open access
- closed
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