The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Organic Contaminant Abatement in Reclaimed Water by UV/H2O2 and a Combined Process Consisting of O3/H2O2 Followed by UV/H2O2: Prediction of Abatement Efficiency, Energy Consumption, and Byproduct Formation
Open accessAbstract
UV/H2O2 processes can be applied to improve the quality of effluents from municipal wastewater treatment plants by attenuating trace organic contaminants (micropollutants). This study presents a kinetic model based on UV photolysis parameters, including UV absorption rate and quantum yield, and hydroxyl radical (·OH) oxidation parameters, including second-order rate constants for ·OH reactions and steady-state ·OH concentrations, that can be used to predict micropollutant abatement in wastewater. The UV/H2O2 kinetic model successfully predicted the abatement efficiencies of 16 target micropollutants in bench-scale UV and UV/H2O2 experiments in 10 secondary wastewater effluents. The model was then used to calculate the electric energies required to achieve specific levels of micropollutant abatement in several advanced wastewater treatment scenarios using various combinations of ozone, UV, and H2O2. UV/H2O2 is more energy-intensive than ozonation for abatement of most micropollutants. Nevertheless, UV/H2O2 is not limited by the formation of N-nitrosodimethylamine (NDMA) and bromate whereas ozonation may produce significant concentrations of these oxidation byproducts, as observed in some of the tested wastewater effluents. The combined process of O3/H2O2 followed by UV/H2O2, which may be warranted in some potable reuse applications, can achieve superior micropollutant abatement with reduced energy consumption compared to UV/H2O2 and reduced oxidation byproduct formation (i.e., NDMA and/or bromate) compared to conventional ozonation.
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Cites
Sharpless, C. M., & Linden, K. G. (2003) · Environmental Science & Technology · doi:10.1021/es025814p · Cited by 275
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
Multiple Roles of Dissolved Organic Matter in Advanced Oxidation Processes
Yang, X., Rosario-Ortiz, F. L., Lei, Y., Pan, Y., Lei, X., & Westerhoff, P. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.2c01017 · Cited by 459
Contaminants of emerging concern: a review of new approach in AOP technologies
Salimi, M., Esrafili, A., Gholami, M., Jonidi Jafari, A., Rezaei Kalantary, R., Farzadkia, M., Kermani, M., & Sobhi, H. R. (2017) · Environmental Monitoring and Assessment · doi:10.1007/s10661-017-6097-x · Cited by 313
Hybrid Ozonation Process for Industrial Wastewater Treatment: Principles and Applications: A Review
Malik, S. N., Ghosh, P. C., Vaidya, A. N., & Mudliar, S. N. (2020) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2020.101193 · Cited by 307
Yoon, Y., Chung, H. J., Wen Di, D. Y., Dodd, M. C., Hur, H.-G., & Lee, Y. (2017) · Water Research · doi:10.1016/j.watres.2017.06.056 · Cited by 265
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Metadata
- Authors
- Lee, Y., Gerrity, D., Lee, M., Gamage, S., Pisarenko, A., Trenholm, R. A., Canonica, S., Snyder, S. A., & von Gunten, U.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-03-17
- Volume
- 50
- Issue
- 7
- Pages
- 3809-3819
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2279838738
- Cited by
- 178
- References
- 1
- FWCI
- 10.99
- Type
- journal article
- Language
- en
- Open access
- green
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