Removal of COD, NH4-N, and perfluorinated compounds from wastewater treatment plant effluent using ZnO-coated activated carbon
文献类型：期刊论文
| 作者 | Tang, Jiawei; Liu, Yu; Su, Peidong; Quan, Jingwei; Hu, Yufeng; Wang, Wenqian; Zhang, Chunhui |
| 刊名 | WATER SCIENCE AND TECHNOLOGY
 |
| 出版日期 | 2020-06-01 |
| 卷号 | 81期号:11页码:2459-2470 |
| 关键词 | activated carbon COD NH4-N PFCs ZnO |
| ISSN号 | 0273-1223 |
| 英文摘要 | This study investigated the removal of chemical oxygen demand (COD), NH4-N, and perfluorinated compounds (PFCs) in the effluent from a wastewater treatment plant (WWTP) using ZnO coated activated carbon (ZnO/AC). Results suggested that the optimal dosage of the ZnO/AC was 0.8 g/L within 240 min of contact time, at which the maximum removal efficiency of COD was approximately 86.8%, while the removal efficiencies of PFOA and PFOS reached 86.5% and 82.1%. In comparison, the removal efficiencies of NH4-N, PFBA, and PFBS were lower, at approximately 47.9%, 44.0%, and 55.4%, respectively. In addition, COD was preferentially adsorbed before PFCs and NH4-N, when the contact time ranged from 0 to 180 min, and the order of PFCs removal showed a positive correlation with C-F chain length. The kinetic study revealed that the removal of COD, NH4-N, and PFCs could be better depicted and predicted by the Lagergren quasi-second order dynamic model with high correlation coefficients, which involved liquid membrane diffusion, intraparticle diffusion, and photocatalytic reactions. The saturated ZnO/AC was finally regenerated using ultrasound for 3 h and retained excellent performance, which proved it could be considered as an effective and alternative technology. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/45356]  |
| 专题 | 生态环境研究中心_中国科学院饮用水科学与技术重点实验室 |
| 推荐引用方式 GB/T 7714 | Tang, Jiawei,Liu, Yu,Su, Peidong,et al. Removal of COD, NH4-N, and perfluorinated compounds from wastewater treatment plant effluent using ZnO-coated activated carbon[J]. WATER SCIENCE AND TECHNOLOGY,2020,81(11):2459-2470. |
| APA | Tang, Jiawei.,Liu, Yu.,Su, Peidong.,Quan, Jingwei.,Hu, Yufeng.,...&Zhang, Chunhui.(2020).Removal of COD, NH4-N, and perfluorinated compounds from wastewater treatment plant effluent using ZnO-coated activated carbon.WATER SCIENCE AND TECHNOLOGY,81(11),2459-2470. |
| MLA | Tang, Jiawei,et al."Removal of COD, NH4-N, and perfluorinated compounds from wastewater treatment plant effluent using ZnO-coated activated carbon".WATER SCIENCE AND TECHNOLOGY 81.11(2020):2459-2470. |
入库方式： OAI收割
来源：生态环境研究中心
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