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邱勇萍, 张国庆, 杨晓青, 区文仕, 钟美玲. 光/电法氨氮降解过程中协同作用的研究[J]. 环境工程学报, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
引用本文: 邱勇萍, 张国庆, 杨晓青, 区文仕, 钟美玲. 光/电法氨氮降解过程中协同作用的研究[J]. 环境工程学报, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
shu
Qiu Yongping, Zhang Guoqing, Yang Xiaoqing, Ou Wenshi, Zhong Meiling. Study on synergistic effect of photo-electrical method for degradation of ammonia nitrogen[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
Citation: Qiu Yongping, Zhang Guoqing, Yang Xiaoqing, Ou Wenshi, Zhong Meiling. Study on synergistic effect of photo-electrical method for degradation of ammonia nitrogen[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
shu

光/电法氨氮降解过程中协同作用的研究

  • 1.

    广东工业大学材料与能源学院, 广州 510006

  • 2.

    佛山顺德都围环保科技工程有限公司, 佛山 528300

  • 基金项目:

    国家国际科技合作专项(2013DFG50150

    2011DFB91-560)

    广东省对外科技合作项目(2011B050200004)

  • 中图分类号: X703

Study on synergistic effect of photo-electrical method for degradation of ammonia nitrogen

  • 1.

    School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China

  • 2.

    Foshan Shunde Dowell Technological& Environmental Engineering Co., Ltd. Foshan 528300, China

  • Fund Project:

  • 摘要: 为了研究光/电法在氨氮降解过程中的协同作用,采用光/电法降解模拟工业循环冷却水中的氨氮,并对氨氮降解过程中的各影响因素进行了研究,考察了氯离子浓度和溶液pH对降解效率的影响。结果表明,与传统的光催化法和电化学法相比,光/电法在氨氮降解过程中存在良好的协同效应,因而具有更高的氨氮去除率,这主要归功于溶液氯离子的促进作用。另外,在酸性条件下,氨氮降解效率得到进一步加强。当pH在4~5之间,电流密度为10 mA/cm2,NaCl浓度为100 mg/L时,在经过90 min光/电法处理后氨氮去除率高达95%,且N2占总氨氮降解产物的84.2%。
    Abstract: In order to investigate the synergistic effect of photo-electrical method on the ammonia nitrogen degradation, photo-electrical method was used to degrade ammonia nitrogen from simulated industrial circulating cooling water. And the influences of various parameters such as Cl- concentration, pH value on the degradation effect were also investigated. Experimental results showed that compared to the traditional photocatalytic method and electrochemical method, the photo-electrical method represents excellent synergistic effect, leading to a much higher ammonia nitrogen removal rate, which can be attributed to the facilitation of Cl-. In addition, degradation effect can be further enhanced under acidic conditions. For example, at a pH value of about 4~5, current density 10 mA/cm2, NaCl concentration 100 mg/L, the ammonia nitrogen removal rate can reach as high as 95% in 90 min, and 84.2% of total ammonia nitrogen degradation products is N2.
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出版历程
  • 收稿日期:  2014-02-13
  • 刊出日期:  2014-12-30
邱勇萍, 张国庆, 杨晓青, 区文仕, 钟美玲. 光/电法氨氮降解过程中协同作用的研究[J]. 环境工程学报, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
引用本文: 邱勇萍, 张国庆, 杨晓青, 区文仕, 钟美玲. 光/电法氨氮降解过程中协同作用的研究[J]. 环境工程学报, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
shu
Qiu Yongping, Zhang Guoqing, Yang Xiaoqing, Ou Wenshi, Zhong Meiling. Study on synergistic effect of photo-electrical method for degradation of ammonia nitrogen[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
Citation: Qiu Yongping, Zhang Guoqing, Yang Xiaoqing, Ou Wenshi, Zhong Meiling. Study on synergistic effect of photo-electrical method for degradation of ammonia nitrogen[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 150-156. doi: 10.12030/j.cjee.20150125
shu

光/电法氨氮降解过程中协同作用的研究

  • 1.  广东工业大学材料与能源学院, 广州 510006
  • 2.  佛山顺德都围环保科技工程有限公司, 佛山 528300
  • 收稿日期:  2014-02-13
基金项目:

国家国际科技合作专项(2013DFG50150

2011DFB91-560)

广东省对外科技合作项目(2011B050200004)

摘要: 为了研究光/电法在氨氮降解过程中的协同作用,采用光/电法降解模拟工业循环冷却水中的氨氮,并对氨氮降解过程中的各影响因素进行了研究,考察了氯离子浓度和溶液pH对降解效率的影响。结果表明,与传统的光催化法和电化学法相比,光/电法在氨氮降解过程中存在良好的协同效应,因而具有更高的氨氮去除率,这主要归功于溶液氯离子的促进作用。另外,在酸性条件下,氨氮降解效率得到进一步加强。当pH在4~5之间,电流密度为10 mA/cm2,NaCl浓度为100 mg/L时,在经过90 min光/电法处理后氨氮去除率高达95%,且N2占总氨氮降解产物的84.2%。

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