亚铁离子对厌氧氨氧化反应器脱氮性能的影响

doi:10.12068/j.issn.1005-3026.2015.12.018

东北大学学报:自然科学版 ›› 2015, Vol. 36 ›› Issue (12): 1753-1756.DOI: 10.12068/j.issn.1005-3026.2015.12.018

亚铁离子对厌氧氨氧化反应器脱氮性能的影响

张黎，胡筱敏，姜彬慧，黄永刚

(东北大学资源与土木工程学院，辽宁沈阳110819)

收稿日期:2014-12-26 修回日期:2014-12-26 出版日期:2015-12-15 发布日期:2015-12-07
通讯作者: 张黎
作者简介:张黎(1983-)，女，辽宁沈阳人，东北大学博士研究生; 胡筱敏(1958-)，男，江西婺源人，东北大学教授，博士生导师.
基金资助:
水体污染控制与治理科技重大专项(2013ZX07202-010-02).

Effect of Iron Ions on Denitrification Performance in Anammox Reactor

ZHANG Li， HU Xiao-min， JIANG Bin-hui， HUANG Yong-gang

School of Resources ＆ Civil Engineering，Northeastern University，Shenyang 110819， China.

Received:2014-12-26 Revised:2014-12-26 Online:2015-12-15 Published:2015-12-07
Contact: HU Xiao-min
About author:-
Supported by:
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摘要/Abstract

摘要： 研究通过投加厌氧氨氧化污泥，待反应器稳定运行后考察不同浓度Fe²⁺对厌氧氨氧化污泥活性的影响.实验结果表明:经过210d的连续培养，发现Fe²⁺可以促进厌氧氨氧化菌的细胞合成并且增加其基质代谢，当溶液中Fe²⁺浓度为0.085mmol/L(4.76mg/L)时，氨氮转化率维持在90%以上;添加Fe²⁺可以增加厌氧氨氧化菌亚铁血红素含量.此时样品中亚铁血红素C含量达到0.143μmol/mg，是同期对照反应器的2.04倍.通过SEM电镜发现当Fe²⁺浓度为0.085mmol/L时，厌氧氨氧化菌群结构与形态趋于稳定.

关键词: 厌氧氨氧化, 铁离子, 血红素含量, SEM, 亚铁离子

Abstract: The effect of different concentration of Fe²⁺ on the activity of anaerobic ammonium oxidation sludge was experimentally investigated by the addition of anammox sludge in stable operation at reactor. The experimental results show that: Fe²⁺ can promote cell synthesis of anaerobic ammonia oxidation bacteria and increase its matrix metabolism， through 210 days continuous operation. When the concentration of Fe²⁺ in the solution is 0.085mmol/L (4.76mg/L)， the ammonia nitrogen conversion rate remains at more than 90%. The heme content of anaerobic ammonia oxidation bacteria is increased by the addition of Fe²⁺. At this point， the heme C content reaches 0.143μmol/mg in the sample. It is 2.04 times heme content of anaerobic ammonia oxidation bacteria in comparison reactor at the same period. It is found that using SEM when the concentration of Fe²⁺ is 0.085mmol/L， the anaerobic ammonia oxidation bacteria form approaches to a steady state.

Key words: anaerobic ammonium oxidation(anammox), Fe³⁺, heme content, SEM, Fe²⁺

中图分类号:

X506

张黎，胡筱敏，姜彬慧，黄永刚. 亚铁离子对厌氧氨氧化反应器脱氮性能的影响[J]. 东北大学学报:自然科学版, 2015, 36(12): 1753-1756.

ZHANG Li， HU Xiao-min， JIANG Bin-hui， HUANG Yong-gang. Effect of Iron Ions on Denitrification Performance in Anammox Reactor[J]. Journal of Northeastern University Natural Science, 2015, 36(12): 1753-1756.

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亚铁离子对厌氧氨氧化反应器脱氮性能的影响

Effect of Iron Ions on Denitrification Performance in Anammox Reactor

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