A typical flat-panel membrane bioreactor with a composite membrane for sulfur removal
查看参考文献70篇
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文摘
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The aim of this work was to provide a concrete study to understand the effects of operation on biofilm morphology and microstructure and degradation efficiency for the disposal of sulfur dioxide produced by coal-fired power plants. For this purpose, a flat-panel reactor-membrane bioreactor (MBR) with a composite membrane consisting of a dense layer and a support layer was designed; the membrane bioreactors inoculated with Thiobacillus ferrooxidans were further conducted for the removal of sulfur dioxide. Dry weight, active biomass, pressure drop, removal efficiency, morphology and structure of the formed biofilms were investigated and analyzed over period of biofilm formation. The results found that the dry weight, biomass, pressure drops and removal efficiency increased rapidly during biofilm formation, remained relatively stable in the stabilization period of biofilm growth, and finally reached 0.085 g, 7.00 μg, 180 Pa, and 78%, respectively. Our results suggested the MBR is available for flue-gas desulfurization. |
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来源
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Frontiers of Earth Science
,2014,8(1):142-149 【核心库】
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关键词
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membrane bioreactor
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biofilm
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flue gas desulfurization
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biodegradation
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sulfur dioxide
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地址
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1.
China Special Equipment Inspection and Research Institute, Beijing, 100013
2.
Shenyang Institute of Special Equipment Inspection and Research, Shenyang, 110035
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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2095-0195 |
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学科
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环境污染及其防治;行业污染、废物处理与综合利用 |
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基金
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supported by the National Key Technology Research & Development Program
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国家自然科学基金
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文献收藏号
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CSCD:5100110
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