2023年 02期

摘要(Abstract)：

使用4种不同磁感应强度的磁性滤料构建生物脱氮滤池，探究磁性滤料对滤池脱氮效能的影响，并从分子生物学角度对影响机理进行解析。结果表明：磁性滤料对滤池的氨氮与亚硝态氮的去除效果有明显的促进作用；磁性滤料会对滤池内的微生物群落结构产生影响，表面磁感应强度为0.5、 1.5 mT的磁性滤料使微生物群落中氨氧化菌与亚硝酸盐氧化菌的相对丰度显著提高，表面磁感应强度为2.5 mT的磁性滤料使氢噬胞菌属和Delftia tsuruhatensis种的相对丰度提高；根据功能基因预测，脱氮效果的提升与磁性滤料对优势功能基因的作用有关。

关键词(KeyWords)： 磁性滤料;脱氮滤池;微生物群落;功能基因预测

基金项目(Foundation): 国家自然科学基金项目(51678276);; 济南大学科技计划项目(XBS2001)

作者(Author): 孙绍钧,沈军,王晓宇,王嘉斌,孙绍芳,宋健,栾佳佳

DOI: 10.13349/j.cnki.jdxbn.20220325.002

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