| HRT对CO2-MBfR去除高SO42-废水中NO3--N的影响 |
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| 引用本文： | 冉雅郡,杨潇潇,汪作炜,吴成阳,周云,夏四清.HRT对CO2-MBfR去除高SO42-废水中NO3--N的影响[J].中国环境科学,2018,38(9):3322-3327. |
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| 作者姓名： | 冉雅郡 杨潇潇 汪作炜 吴成阳 周云 夏四清 |
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| 作者单位： | 1. 同济大学环境科学与工程学院, 污染控制与资源化研究国家重点实验室, 上海 200092;
2. 深圳市南山区环境保护和水务局, 广东 深圳 518000 |
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| 基金项目： | 国家自然科学基金资助项目（51678422） |
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| 摘 要： | 针对含NO3--N与较高浓度SO42-实际工业废水处理较难的问题，考察了不同水力停留时间（HRT）下连续运行的CO2-氢基质膜生物膜反应器（CO2-MBfR）处理模拟废水和实际工业废水的性能，结果表明，2种废水的出水NO3--N浓度均随着HRT的减小而增大，模拟废水中NO3--N的处理效果和电子通量分配比例均优于实际废水，但其电子通量分配的格局基本不变：NO3--N和SO42-的电子通量分别在90.09%~97.49%和2.51%~9.91%左右.要实现实际废水总氮达到15mg/L的排放标准，需维持HRT不少于10.4h.
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| 关 键 词： | 二氧化碳-氢基质膜生物膜反应器 实际工业废水 水力停留时间 硝酸盐氮 硫酸盐 |
| 收稿时间： | 2018-02-12 |
Effects of HRT on the removal of NO3--N from high SO42- wastewater using CO2-MBfR |
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| RAN Ya-jun,YANG Xiao-xiao,WANG Zuo-wei,WU Cheng-yang,ZHOU Yun,XIA Si-qing.Effects of HRT on the removal of NO3--N from high SO42- wastewater using CO2-MBfR[J].China Environmental Science,2018,38(9):3322-3327. |
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| Authors: | RAN Ya-jun YANG Xiao-xiao WANG Zuo-wei WU Cheng-yang ZHOU Yun XIA Si-qing |
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| Institution: | 1. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
2. Environmental Protection and Water Administration Bureau of Shenzhen Nanshan District, Shenzhen 518000, China |
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| Abstract: | Due to the difficulty of NO3--N removal during treatment of high-sulfate (SO42-) actual industrial wastewater (AIW) treatment, we tested the effects of hydraulic retention time (HRT) on treatment performance of simulated wastewater and AIW using CO2-hydrogen based membrane biofilm reactor (CO2-MBfR). Results show that the effluent concentrations of NO3--N from two kinds of wastewater gradually increased with decreased HRT, and the removal efficiency of NO3--N and electron flux distribution ratio (EFDR) in simulated wastewater treatment were better than that of in AIW treatment, but the electron flux distribution pattern was nearly the same:the EFDR of NO3--N and SO42- were 90.09%~97.49% and 2.51%~9.91%, respectively. Overall, our results reveal that CO2-MBfR could high efficiently remove NO3--N of AIW. From a practical perspective, HRT higher than 10.4h is suggested for achieving the total nitrogen emission standard of 15mg/L in the actual wastewater treatment. |
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| Keywords: | carbon dioxide-hydrogen based membrane biofilm reactor (CO2-MBfR) actual industrial wastewater hydraulic retention time (HRT) NO3--N SO42- |
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