Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System
The present study investigated the parameters and the mechanism of action of electrochemical cell lysis to reduce the return sludge from secondary settlers based on the theory of cell lysis-cryptic growth. The factors influencing the functioning of two electrodes (Ti/SnO<sub>2</sub>-Sb a...
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| Format: | Article |
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MDPI AG
2021-02-01
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| Series: | Water |
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| Online Access: | https://www.mdpi.com/2073-4441/13/5/616 |
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| author | Zhongqi He Xu Zhou Wenhui Wang Wenbiao Jin Wei Han Wentao Liu Wanqing Ding Yidi Chen Xiaochi Feng |
| author_facet | Zhongqi He Xu Zhou Wenhui Wang Wenbiao Jin Wei Han Wentao Liu Wanqing Ding Yidi Chen Xiaochi Feng |
| author_sort | Zhongqi He |
| collection | DOAJ |
| description | The present study investigated the parameters and the mechanism of action of electrochemical cell lysis to reduce the return sludge from secondary settlers based on the theory of cell lysis-cryptic growth. The factors influencing the functioning of two electrodes (Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub>) were investigated to determine the optimal cell lysis parameters for each electrode, and the effects of the two electrodes on cell lysis were compared under these conditions. Finally, the Ti/SnO<sub>2</sub>-Sb electrode was selected for the subsequent experiments. The electrolysis reaction was performed using the following parameters: the initial sludge concentration was 7000 mg/L, the working voltage was 18 V, the plate spacing was 1 cm, the initial pH was 6.8 to 7.0, and the electrolysis duration was 90 min. The degree of disintegration of the sludge and the cell lysis rate reached 25.35% and 20.15%, respectively. In summary, electrochemical cell lysis has a good prospect for sludge reduction. |
| first_indexed | 2024-03-09T00:29:09Z |
| format | Article |
| id | doaj.art-2a75132e4d79449784c3553c692a848c |
| institution | Directory Open Access Journal |
| issn | 2073-4441 |
| language | English |
| last_indexed | 2024-03-09T00:29:09Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Water |
| spelling | doaj.art-2a75132e4d79449784c3553c692a848c2023-12-11T18:39:47ZengMDPI AGWater2073-44412021-02-0113561610.3390/w13050616Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth SystemZhongqi He0Xu Zhou1Wenhui Wang2Wenbiao Jin3Wei Han4Wentao Liu5Wanqing Ding6Yidi Chen7Xiaochi Feng8Shenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaShenzhen Engineering Laboratory of Microalgal Bioenergy, Harbin Institute of Technology, Shenzhen 518055, ChinaThe present study investigated the parameters and the mechanism of action of electrochemical cell lysis to reduce the return sludge from secondary settlers based on the theory of cell lysis-cryptic growth. The factors influencing the functioning of two electrodes (Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub>) were investigated to determine the optimal cell lysis parameters for each electrode, and the effects of the two electrodes on cell lysis were compared under these conditions. Finally, the Ti/SnO<sub>2</sub>-Sb electrode was selected for the subsequent experiments. The electrolysis reaction was performed using the following parameters: the initial sludge concentration was 7000 mg/L, the working voltage was 18 V, the plate spacing was 1 cm, the initial pH was 6.8 to 7.0, and the electrolysis duration was 90 min. The degree of disintegration of the sludge and the cell lysis rate reached 25.35% and 20.15%, respectively. In summary, electrochemical cell lysis has a good prospect for sludge reduction.https://www.mdpi.com/2073-4441/13/5/616electrochemical oxidationon-site sludgecell lysis-cryptic growthTi/SnO<sub>2</sub>-SbTi/RuO<sub>2</sub>-IrO<sub>2</sub> |
| spellingShingle | Zhongqi He Xu Zhou Wenhui Wang Wenbiao Jin Wei Han Wentao Liu Wanqing Ding Yidi Chen Xiaochi Feng Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System Water electrochemical oxidation on-site sludge cell lysis-cryptic growth Ti/SnO<sub>2</sub>-Sb Ti/RuO<sub>2</sub>-IrO<sub>2</sub> |
| title | Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System |
| title_full | Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System |
| title_fullStr | Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System |
| title_full_unstemmed | Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System |
| title_short | Study on the Efficiency of On-Site Sludge Reduction Using Ti/SnO<sub>2</sub>-Sb and Ti/RuO<sub>2</sub>-IrO<sub>2</sub> Electrodes Based on a Cell Lysis-Cryptic Growth System |
| title_sort | study on the efficiency of on site sludge reduction using ti sno sub 2 sub sb and ti ruo sub 2 sub iro sub 2 sub electrodes based on a cell lysis cryptic growth system |
| topic | electrochemical oxidation on-site sludge cell lysis-cryptic growth Ti/SnO<sub>2</sub>-Sb Ti/RuO<sub>2</sub>-IrO<sub>2</sub> |
| url | https://www.mdpi.com/2073-4441/13/5/616 |
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