The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Carbon Nanotube Membrane Stack for Flow-through Sequential Regenerative Electro-Fenton
Abstract
Electro-Fenton is a promising advanced oxidation process for water treatment consisting a series redox reactions. Here, we design and examine an electrochemical filter for sequential electro-Fenton reactions to optimize the treatment process. The carbon nanotube (CNT) membrane stack (thickness ∼ 200 μm) used here consisted of 1) a CNT network cathode for O2 reduction to H2O2, 2) a CNT-COOFe(2+) cathode to chemical reduction H2O2 to (•)OH and HO(-) and to regenerate Fe(2+) in situ, 3) a porous PVDF or PTFE insulating separator, and 4) a CNT filter anode for remaining intermediate oxidation intermediates. The sequential electro-Fenton was compared to individual electrochemical and Fenton process using oxalate, a persistent organic, as a target molecule. Synergism is observed during the sequential electro-Fenton process. For example, when [DO]in = 38 ± 1 mg L(-1), J = 1.6 mL min(-1), neutral pH, and Ecell = 2.89 V, the sequential electro-Fenton oxidation rate was 206.8 ± 6.3 mgC m(-2) h(-1), which is 4-fold greater than the sum of the individual electrochemistry (16.4 ± 3.2 mgC m(-2) h(-1)) and Fenton (33.3 ± 1.3 mgC m(-2) h(-1)) reaction fluxes, and the energy consumption was 45.8 kWh kgTOC(-1). The sequential electro-Fenton was also challenged with the refractory trifluoroacetic acid (TFA) and trichloroacetic acid (TCA), and they can be transferred at a removal rate of 11.3 ± 1.2 and 21.8 ± 1.9 mmol m(-2) h(-1), respectively, with different transformation mechanisms.
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Cites
Pignatello, J. J., Oliveros, E., & MacKay, A. (2006) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643380500326564 · Cited by 4,133
Electro-Fenton Process and Related Electrochemical Technologies Based on Fenton’s Reaction Chemistry
Brillas, E., Sirés, I., & Oturan, M. A. (2009) · Chemical Reviews · doi:10.1021/cr900136g · Cited by 3,437
LXXIII.—Oxidation of tartaric acid in presence of iron
Fenton, H. J. H. (1894) · J. Chem. Soc., Trans. · doi:10.1039/ct8946500899 · Cited by 3,179
Cited by
Kofuji, Y., Isobe, Y., Shiraishi, Y., Sakamoto, H., Tanaka, S., Ichikawa, S., & Hirai, T. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b05806 · Cited by 587
Current advances and trends in electro-Fenton process using heterogeneous catalysts – A review
Poza-Nogueiras, V., Rosales, E., Pazos, M., & Sanromán, M. Á. (2018) · Chemosphere · doi:10.1016/j.chemosphere.2018.03.002 · Cited by 375
Su, P., Zhou, M., Lu, X., Yang, W., Ren, G., & Cai, J. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2018.12.075 · Cited by 313
Jiang, W.-L., Xia, X., Han, J.-L., Ding, Y.-C., Haider, M. R., & Wang, A.-J. (2018) · Environmental Science & Technology · doi:10.1021/acs.est.8b01894 · Cited by 293
Electro-oxidation of organic pollutants by reactive electrochemical membranes
Trellu, C., Chaplin, B. P., Coetsier, C., Esmilaire, R., Cerneaux, S., Causserand, C., & Cretin, M. (2018) · Chemosphere · doi:10.1016/j.chemosphere.2018.05.026 · Cited by 282
Pan, Z., Song, C., Li, L., Wang, H., Pan, Y., Wang, C., Li, J., Wang, T., & Feng, X. (2019) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.01.188 · Cited by 266
Metadata
- Authors
- Gao, G., Zhang, Q., Hao, Z., & Vecitis, C. D.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-01-28
- Volume
- 49
- Issue
- 4
- Pages
- 2375-2383
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2332392048
- Cited by
- 251
- References
- 3
- FWCI
- 14.43
- Type
- journal article
- Language
- en
- Open access
- closed
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