Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism
Abstract Current electrochemical membrane reactors (EMRs) focus on half-cell reactions, which limits their efficiency. Herein, an EMR-P with full-cell reactions was constructed using a carbon membrane (CM) as the cathode and a TiO2-loaded CM as the anode. Noteworthy, this proposed innovative design...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-01-01
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| Series: | npj Clean Water |
| Online Access: | https://doi.org/10.1038/s41545-024-00432-4 |
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| _version_ | 1841544966279528448 |
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| author | Zishang Chen Hong Wang Yuxuan Zhu Xiaoping Chen Shuanglin Gui Aijing Ma Jianxin Li |
| author_facet | Zishang Chen Hong Wang Yuxuan Zhu Xiaoping Chen Shuanglin Gui Aijing Ma Jianxin Li |
| author_sort | Zishang Chen |
| collection | DOAJ |
| description | Abstract Current electrochemical membrane reactors (EMRs) focus on half-cell reactions, which limits their efficiency. Herein, an EMR-P with full-cell reactions was constructed using a carbon membrane (CM) as the cathode and a TiO2-loaded CM as the anode. Noteworthy, this proposed innovative design has no ion-exchange membrane and consists of two permeates for anodic electrocatalytic and cathodic electro-Fenton processes. Results showed that the removal rates of phenol and COD by EMR-P were 99.2% and 93.9%, respectively, with energy consumption of 0.43 kWh kg COD–1, which were superior to those of other EMRs. Such superior performance of EMR-P was attributed to the synergism of electro-Fenton and electrocatalytic oxidation, as well as the high adsorption property of CM, which promoted $${1\atop}{\rm{O}}_{2}$$ 1 O 2 generation and COD removal. Additionally, the cathode made more contribution to the COD removal (59.0%) than the anode (41.0%). Overall, this work provides several insights into the design of EMRs for cleaning industrial wastewater. |
| format | Article |
| id | doaj-art-4f7a2a4eb26041129047196da9d37ff9 |
| institution | Kabale University |
| issn | 2059-7037 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj Clean Water |
| spelling | doaj-art-4f7a2a4eb26041129047196da9d37ff92025-01-12T12:06:16ZengNature Portfolionpj Clean Water2059-70372025-01-018111010.1038/s41545-024-00432-4Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergismZishang Chen0Hong Wang1Yuxuan Zhu2Xiaoping Chen3Shuanglin Gui4Aijing Ma5Jianxin Li6State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong UniversityState Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong UniversityState Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong UniversityInstitute of Energy Research, Jiangxi Academy of SciencesInstitute of Energy Research, Jiangxi Academy of SciencesState Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong UniversityState Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong UniversityAbstract Current electrochemical membrane reactors (EMRs) focus on half-cell reactions, which limits their efficiency. Herein, an EMR-P with full-cell reactions was constructed using a carbon membrane (CM) as the cathode and a TiO2-loaded CM as the anode. Noteworthy, this proposed innovative design has no ion-exchange membrane and consists of two permeates for anodic electrocatalytic and cathodic electro-Fenton processes. Results showed that the removal rates of phenol and COD by EMR-P were 99.2% and 93.9%, respectively, with energy consumption of 0.43 kWh kg COD–1, which were superior to those of other EMRs. Such superior performance of EMR-P was attributed to the synergism of electro-Fenton and electrocatalytic oxidation, as well as the high adsorption property of CM, which promoted $${1\atop}{\rm{O}}_{2}$$ 1 O 2 generation and COD removal. Additionally, the cathode made more contribution to the COD removal (59.0%) than the anode (41.0%). Overall, this work provides several insights into the design of EMRs for cleaning industrial wastewater.https://doi.org/10.1038/s41545-024-00432-4 |
| spellingShingle | Zishang Chen Hong Wang Yuxuan Zhu Xiaoping Chen Shuanglin Gui Aijing Ma Jianxin Li Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism npj Clean Water |
| title | Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| title_full | Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| title_fullStr | Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| title_full_unstemmed | Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| title_short | Electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| title_sort | electrochemical reactor with carbon membrane electrodes for efficient phenol removal via anode and cathode synergism |
| url | https://doi.org/10.1038/s41545-024-00432-4 |
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