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- Publisher Website: 10.1016/j.seppur.2020.118035
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Article: Fabrication of sulfur-doped TiO2 nanotube array as a conductive interlayer of PbO2 anode for efficient electrochemical oxidation of organic pollutants
Title | Fabrication of sulfur-doped TiO<inf>2</inf> nanotube array as a conductive interlayer of PbO<inf>2</inf> anode for efficient electrochemical oxidation of organic pollutants |
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Authors | |
Keywords | Conductive interlayer Electrochemical oxidation Methylene blue S-TiO nanotubes 2 Wastewater treatment |
Issue Date | 2021 |
Citation | Separation and Purification Technology, 2021, v. 258, article no. 118035 How to Cite? |
Abstract | Efficient and stable anode materials are in high demand for the electrochemical oxidation of toxic and persistent organic pollutants in wastewater treatment. Herein, a highly structured and conductive sulfur-doped TiO2 nanotubes was fabricated as an interlayer for the Ti-based PbO2 anode (S-TiO2 NTA-PbO2). The novel S-TiO2 NTA-PbO2 anode exhibited a better electrochemical oxidation capability and hydroxyl radical production activity for organic degradation than the parent interlayer-based anode without S-doping and the well-reported PbO2 anode. A nearly 100% of methylene blue (MB, 20 mg L-1) was degraded on the S-TiO2 NTA-PbO2 anode in 90 min. A quenching experiment revealed that direct oxidation on the anode surface contributed about 50% of the MB degradation and played a crucial role in the complete mineralization of MB. The stable and conductive S-TiO2 NTA interlayer enabled the high reactivity and stability of the composite anode, as exhibited by the cyclic tests. Moreover, the S-TiO2 NTA-PbO2 anode was versatile enough to degrade various industrial pollutants, including 4-chlorophenol, p-nitrophenol and bisphenol A. This work on the new conductive S-doped TiO2 NTA interlayer also provides a new method for the design and fabrication of highly effective and stable anodes for electrochemical treatment of industrial wastewater. |
Persistent Identifier | http://hdl.handle.net/10722/327303 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 1.533 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yang, Chao | - |
dc.contributor.author | Shang, Shanshan | - |
dc.contributor.author | Li, Xiao yan | - |
dc.date.accessioned | 2023-03-31T05:30:23Z | - |
dc.date.available | 2023-03-31T05:30:23Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Separation and Purification Technology, 2021, v. 258, article no. 118035 | - |
dc.identifier.issn | 1383-5866 | - |
dc.identifier.uri | http://hdl.handle.net/10722/327303 | - |
dc.description.abstract | Efficient and stable anode materials are in high demand for the electrochemical oxidation of toxic and persistent organic pollutants in wastewater treatment. Herein, a highly structured and conductive sulfur-doped TiO2 nanotubes was fabricated as an interlayer for the Ti-based PbO2 anode (S-TiO2 NTA-PbO2). The novel S-TiO2 NTA-PbO2 anode exhibited a better electrochemical oxidation capability and hydroxyl radical production activity for organic degradation than the parent interlayer-based anode without S-doping and the well-reported PbO2 anode. A nearly 100% of methylene blue (MB, 20 mg L-1) was degraded on the S-TiO2 NTA-PbO2 anode in 90 min. A quenching experiment revealed that direct oxidation on the anode surface contributed about 50% of the MB degradation and played a crucial role in the complete mineralization of MB. The stable and conductive S-TiO2 NTA interlayer enabled the high reactivity and stability of the composite anode, as exhibited by the cyclic tests. Moreover, the S-TiO2 NTA-PbO2 anode was versatile enough to degrade various industrial pollutants, including 4-chlorophenol, p-nitrophenol and bisphenol A. This work on the new conductive S-doped TiO2 NTA interlayer also provides a new method for the design and fabrication of highly effective and stable anodes for electrochemical treatment of industrial wastewater. | - |
dc.language | eng | - |
dc.relation.ispartof | Separation and Purification Technology | - |
dc.subject | Conductive interlayer | - |
dc.subject | Electrochemical oxidation | - |
dc.subject | Methylene blue | - |
dc.subject | S-TiO nanotubes 2 | - |
dc.subject | Wastewater treatment | - |
dc.title | Fabrication of sulfur-doped TiO<inf>2</inf> nanotube array as a conductive interlayer of PbO<inf>2</inf> anode for efficient electrochemical oxidation of organic pollutants | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.seppur.2020.118035 | - |
dc.identifier.scopus | eid_2-s2.0-85096118596 | - |
dc.identifier.volume | 258 | - |
dc.identifier.spage | article no. 118035 | - |
dc.identifier.epage | article no. 118035 | - |
dc.identifier.eissn | 1873-3794 | - |
dc.identifier.isi | WOS:000598715400004 | - |