Synergistic Recapturing of External and Internal Phosphorus for In Situ Eutrophication Mitigation
文献类型：期刊论文
| 作者 | Pan, Minmin; Lyu, Tao; Zhang, Meiyi ; Zhang, Honggang; Bi, Lei; Wang, Lei; Chen, Jun; Yao, Chongchao; Ali, Jafar; Best, Samantha
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| 刊名 | WATER
 |
| 出版日期 | 2020-01 |
| 卷号 | 12期号:1页码:1-6 |
| 关键词 | eutrophication control phosphorus recapturing lake restoration phosphorus adsorbent |
| 英文摘要 | In eutrophication management, many phosphorus (P) adsorbents have been developed to capture P at the laboratory scale. Existing P removal practice in freshwaters is limited due to the lack of assessment of the possibility and feasibility of controlling P level towards a very low level (such as 10 mu g/L) in order to prevent the harmful algal blooms. In this study, a combined external and internal P control approach was evaluated in a simulated pilot-scale river-lake system. In total, 0.8 m(3) of simulated river water was continuously supplied to be initially treated by a P adsorption column filled with a granulated lanthanum/aluminium hydroxide composite (LAH) P adsorbent. At the outlet of the column (i.e., inlet of the receiving tanks), the P concentration decreased from 230 to 20 mu g/L at a flow rate of 57 L/day with a hydraulic loading rate of 45 m/day. In the receiving tanks (simulated lake), 90 g of the same adsorbent material was added into 1 m(3) water for further in situ treatment, which reduced and maintained the P concentration at 10 mu g/L for 5 days. The synergy of external and internal P recapture was demonstrated to be an effective strategy for maintaining the P concentration below 10 mu g/L under low levels of P water input. The P removal was not significantly affected by temperature (5-30 degrees C), and the treatment did not substantially alter the water pH. Along with the superior P adsorption capacity, less usage of LAH could lead to reduced cost for potation eutrophication control compared with other widely used P adsorbents. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/45000]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Pan, Minmin,Lyu, Tao,Zhang, Meiyi,et al. Synergistic Recapturing of External and Internal Phosphorus for In Situ Eutrophication Mitigation[J]. WATER,2020,12(1):1-6. |
| APA | Pan, Minmin.,Lyu, Tao.,Zhang, Meiyi.,Zhang, Honggang.,Bi, Lei.,...&Pan, Gang.(2020).Synergistic Recapturing of External and Internal Phosphorus for In Situ Eutrophication Mitigation.WATER,12(1),1-6. |
| MLA | Pan, Minmin,et al."Synergistic Recapturing of External and Internal Phosphorus for In Situ Eutrophication Mitigation".WATER 12.1(2020):1-6. |
入库方式： OAI收割
来源：生态环境研究中心
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