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电化学氧化法去除超高盐榨菜废水中的氨氮

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渠光华, 张智, 郑海领. 电化学氧化法去除超高盐榨菜废水中的氨氮[J]. 环境工程学报, 2013, 7(3): 815-819.
引用本文: 渠光华, 张智, 郑海领. 电化学氧化法去除超高盐榨菜废水中的氨氮[J]. 环境工程学报, 2013, 7(3): 815-819.
shu
Qu Guanghua, Zhang Zhi, Zheng Hailing. Removal of ammonia nitrogen from hypersaline pickle wastewater by electrochemical oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 815-819.
Citation: Qu Guanghua, Zhang Zhi, Zheng Hailing. Removal of ammonia nitrogen from hypersaline pickle wastewater by electrochemical oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 815-819.
shu

电化学氧化法去除超高盐榨菜废水中的氨氮

  • 1.

    重庆大学三峡库区生态环境教育部重点实验室,重庆 400045

  • 2.

    贵州大学矿业学院,贵阳 550025

  • 3.

    中国石油工程设计有限公司西南分公司,成都 610041

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2008ZX07315-004)

  • 中图分类号: X703

Removal of ammonia nitrogen from hypersaline pickle wastewater by electrochemical oxidation

  • 1.

    Key Laboratory of Three Gorges Reservoir Region’s Eco-Environment,Ministry of Education, Chongqing University, Chongqing 400045, China

  • 2.

    Mining College of Guizhou University, Guiyang 550025, China

  • 3.

    China Petroleum Engineering Design Co. Ltd., Southwest Branch, Chengdu 610041, China

  • Fund Project:

摘要

  • 摘要: 采用电化学氧化法去除超高盐榨菜废水中的氨氮,阳极为Ti/RuO2-TiO2-IrO2-SnO2网状电极,阴极为网状钛电极,考察了电流密度、电解时间、极板间距、初始pH以及极水比对氨氮去除率的影响,并分析了电流密度对氨氮能耗和阳极效率的影响。结果表明,在初始氨氮浓度为472.73 mg/L,电流密度为156 mA/cm2,极板间距为1.5 cm,极水比为0.8 dm2/L,原水pH为4.3~5.0时,电解30 min和60 min时氨氮的去除率分别为89.75%和99.94%,电解30 min时,氨氮能耗最低为96 kWh/kg,阳极效率最高为8.47 g/(h·m2·A)。
    Abstract: Method of electrochemical oxidation was applied to remove ammonia nitrogen from hypersaline pickle wastewater. The anode was Ti/RuO2-TiO2-IrO2-SnO2 expanded metal sheet electrode. The cathode was expanded metal sheet electrode. The effects of current density, reaction time, electrode distance, initial pH and electrode plate area/water volume ration on removal rate of ammonia nitrogen were systematically investigated. The ammonia nitrogen energy consumption and anode efficiency were analyzed in different current densities. Under the conditions with initial ammonia nitrogen concentration of 472.73 mg/L, current density of 156 mA/cm2, electrode distance of 1.5 cm, electrode plate area/ water volume ration of 0.8 dm2/L and initial pH of 4.3~5.0, removals of ammonia nitrogen were 89.75% and 99.94% within 30 min and 60 min, respectively. The energy consumption was 96 kWh/kg(NH4+-N) and the anode efficiency was 8.47 g(NH4+-N)/(h·m2·A) when reaction time was 30 min.
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出版历程
  • 收稿日期:  2011-12-30
  • 刊出日期:  2013-03-18
渠光华, 张智, 郑海领. 电化学氧化法去除超高盐榨菜废水中的氨氮[J]. 环境工程学报, 2013, 7(3): 815-819.
引用本文: 渠光华, 张智, 郑海领. 电化学氧化法去除超高盐榨菜废水中的氨氮[J]. 环境工程学报, 2013, 7(3): 815-819.
shu
Qu Guanghua, Zhang Zhi, Zheng Hailing. Removal of ammonia nitrogen from hypersaline pickle wastewater by electrochemical oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 815-819.
Citation: Qu Guanghua, Zhang Zhi, Zheng Hailing. Removal of ammonia nitrogen from hypersaline pickle wastewater by electrochemical oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 815-819.
shu

电化学氧化法去除超高盐榨菜废水中的氨氮

  • 1.  重庆大学三峡库区生态环境教育部重点实验室,重庆 400045
  • 2.  贵州大学矿业学院,贵阳 550025
  • 3.  中国石油工程设计有限公司西南分公司,成都 610041
  • 收稿日期:  2011-12-30
基金项目:

国家"水体污染控制与治理"科技重大专项(2008ZX07315-004)

摘要: 采用电化学氧化法去除超高盐榨菜废水中的氨氮,阳极为Ti/RuO2-TiO2-IrO2-SnO2网状电极,阴极为网状钛电极,考察了电流密度、电解时间、极板间距、初始pH以及极水比对氨氮去除率的影响,并分析了电流密度对氨氮能耗和阳极效率的影响。结果表明,在初始氨氮浓度为472.73 mg/L,电流密度为156 mA/cm2,极板间距为1.5 cm,极水比为0.8 dm2/L,原水pH为4.3~5.0时,电解30 min和60 min时氨氮的去除率分别为89.75%和99.94%,电解30 min时,氨氮能耗最低为96 kWh/kg,阳极效率最高为8.47 g/(h·m2·A)。

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