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| Application research of degradation of tetracycline on sewage sludge derived magnetic carbon |
| Received:November 17, 2016 |
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| KeyWord:sewage sludge;persulfate;tetracycline;sewage sludge carbon |
| Author Name | Affiliation | E-mail | | ZHANG Zhi-xu | College of Resources & Environment, Hunan Agricultural University, Changsha 410128, China
Hunan Co-Innovation Center for Utilization of Botanical Functional Ingredients, Changsha 410128, China
State Key Laboratory of Sub-health Intervention Technology, Changsha 410128, China | | | LUO Lin | College of Resources & Environment, Hunan Agricultural University, Changsha 410128, China | 653306466@qq.com | | XU Zhen-cheng | College of Resources & Environment, Hunan Agricultural University, Changsha 410128, China
South China Institute of Environmental Sciences. MEP, Guangzhou 510655, China | xuzhencheng@scies.org |
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| Abstract: |
| With the increasing concern of the rapid production and disposal of sewage sludge, the need to develop more environmental-friendly and high value-added benign re-use of sewage is of particular importance.In this study, sewage sludge derived magnetic carbon was fabricated and used as a novel catalyst for catalytic oxidation of Tetracycline(TC) in the presence of persulfate(PS). The results showed that magnetic porous carbon(MPC) exhibited superior catalytic activity to activate persulfate and generate more powerful reactive oxygen species(ROS), such as sulfate radicals and hydroxyl radical. 89% and 70.5% of TC and TOC removal efficiency can be achieved after 270 min's degradation when initial pH was 10.0. The results obtained by degradation kinetics of TC in different initial pH indicated that the degradation was pH-dependent and easily happened in alkaline environement. |
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