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磁性多孔微球固定化硫酸盐还原菌的研究

Keywords: 磁性多孔微球,生物膜,磁性稳态流化床

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Abstract:

以磁性多孔微球为载体,采用吸附法固载硫酸盐还原菌,用于磁性稳态流化床。通过扫描电镜等方法研究生物膜的组成,计算出反应器中磁性多孔微球的浓度、生物膜量和生物膜浓度等,并进行了磁性稳态流化床净化SO2废气初步实验。结果表明,MSFB反应器中的生物膜浓度为15.60g/L,生物膜厚度为105.60μm,MPM上固定的生物量高达109.80mg/g。磁性稳态流化床净化SO2废气,净化效率可达90%以上;并考察了pH和气液比对SO2吸收率的影响,这对进一步研究微生物法脱除烟气SO2具有重要意义。

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