Cerium added corn-based biochar as particle electrode for electrochemical oxidation industrial wastewater
Three-dimensional (3D) electrochemical oxidation has become a popular advanced oxidation technology for wastewater treatment due to its various benefits. In this study, cerium (Ce) loaded biochar (Ce/BC) was used as a particle electrode to conduct the degradation of industrial wastewater released by the chemical industry. SEM, EDS, XRD, FTIR, XPS, and BET were used to characterize the properties of Ce/BC. The effects of some variables, including Ce loading (0-5%), pH (5-9), Ce/BC dosage (12.5-50.0 g/L), and working voltage (12-20 V), were evaluated with regard to COD elimination. The kinetics of COD oxidation and the energy consumption were carefully investigated. Tert-butanol significantly reduced the removal efficiency of COD, indicating that hydroxyl radicals generated during the process rather than direct electro-oxidation were the main mechanism for COD degradation. The treatment of industrial wastewater might benefit from the use of Ce/BC as particle electrode.
| Media Type: |
Electronic Article |
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| Year of Publication: |
2024 |
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| Publication: |
2024 |
| Contained In: |
To Main Record - volume:45 |
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| Contained In: |
Environmental technology - 45(2024), 22 vom: 05. Sept., Seite 4598-4606 |
| Language: |
English |
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| Contributors: |
Piao, Mingyue [Author] |
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| Links: |
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| Notes: |
Date Completed 03.09.2024 Date Revised 03.09.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/09593330.2023.2260121 |
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| funding: |
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| Supporting institution / Project title: |
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| PPN (Catalogue-ID): |
NLM362239460 |
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| 520 | |a Three-dimensional (3D) electrochemical oxidation has become a popular advanced oxidation technology for wastewater treatment due to its various benefits. In this study, cerium (Ce) loaded biochar (Ce/BC) was used as a particle electrode to conduct the degradation of industrial wastewater released by the chemical industry. SEM, EDS, XRD, FTIR, XPS, and BET were used to characterize the properties of Ce/BC. The effects of some variables, including Ce loading (0-5%), pH (5-9), Ce/BC dosage (12.5-50.0 g/L), and working voltage (12-20 V), were evaluated with regard to COD elimination. The kinetics of COD oxidation and the energy consumption were carefully investigated. Tert-butanol significantly reduced the removal efficiency of COD, indicating that hydroxyl radicals generated during the process rather than direct electro-oxidation were the main mechanism for COD degradation. The treatment of industrial wastewater might benefit from the use of Ce/BC as particle electrode | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a COD removal | |
| 650 | 4 | |a Ce/Biochar particle electrode | |
| 650 | 4 | |a Industrial wastewater | |
| 650 | 4 | |a energy consumption | |
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| 700 | 1 | |a Sun, Yuwei |e verfasserin |4 aut | |
| 700 | 1 | |a Teng, Honghui |e verfasserin |4 aut | |
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