基于硝化反硝化的膜生物反应器烟气脱硝研究 |
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引用本文: | 黄倩茹,陈洲洋,黄振山,王剑斌,张再利,樊青娟,魏在山.基于硝化反硝化的膜生物反应器烟气脱硝研究[J].华南师范大学学报(自然科学版),2016,48(2):13-18. |
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作者姓名: | 黄倩茹 陈洲洋 黄振山 王剑斌 张再利 樊青娟 魏在山 |
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作者单位: | 1.(中山大学环境科学与工程学院,广东省环境污染控制与修复技术重点实验室,广州 510275) |
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基金项目: | 国家自然科学基金项目(21377171) |
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摘 要: | 氮氧化物是形成酸雨、光化学烟雾污染、臭氧层破坏和城市灰霾天气等一系列环境问题的重要根源.文章结合课题组研究结果,介绍了空气介质下膜生物反应器烟气脱硝的性能、微生物群落、硝化反硝化烟气脱硝作用,建立了膜生物反应器传质与硝化反硝化耦合作用动力学模型;基于硝化反硝化的复合催化膜生物反应器处理模拟烟气的性能和含氧量的影响,为建立基于硝化反硝化的膜生物反应器烟气脱硝的污染控制策略提供科学依据,具有潜在的应用价值.
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关 键 词: | 氮氧化物 硝化 反硝化 膜生物反应器 复合催化膜生物反应器 |
收稿时间: | 2015-11-12 |
Membrane Biofilm Reactor Based on Nitrification/Denitrification for Nitrogen Oxides Removal |
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Institution: | 1.(Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology,School of Environmental Science and Engineering,Sun Yat-Sen University,Guangzhou 510275,China) |
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Abstract: | Nitrogen oxides (NOx) contribute a lot to photochemical smog, acid rain, ozone depletion and urban grey haze weather. In this paper, nitrification/denitrification mechanism and the progress of membrane biofilm reactor (MBfR) on NOx removal were introduced. A polysulfone hollow-membrane biofilm reactor (MBfR) for gaseous NO removal was investigated in air medium condition. Bacterial community composition and function of nitrification/denitrification were analyzed. The kinetic model between mass transfer and NO biodegradation of MBfR were elicited. The N-TiO2/PSF hybrid catalytic membrane biofilm reactor based on nitrification/denitrification was operated for the treatment of simulated flue gas under nature light or UV irradiation, inlet O2 concentration on NO removal was evaluated. This provides a new way of flue gas denitration using a membrane biofilm reactor (MBfR) and scientific basis for potential application value. |
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