生物处理饮用水以去除锰（Mn）是一个有吸引力的方法 对一些社区来说，这是一种选择，因为它依赖较少的化学物质输入和系统 据报道，鲁棒性很高。然而，机械细节 帮助运营商更好地理解技术的局限性 记录在案。之前的研究主要集中在细丝菌属的细菌上， 确定它们是锰氧化生物膜中的主要生物之一。 本研究从四锰生物过滤的生物滤池中提取培养基 加拿大新不伦瑞克省的植物。水的特征是 对于所有四个地点，研究发现，所有植物的锰去除率几乎都很低 100%. 从沙子上分离生物膜，并检测是否存在细丝菌 使用RT-PCR DNA扩增。结果表明，只有一种植物含有 四种植物中有三种对MOB检测呈阳性 通过电镀。这些结果以及实验室规模的数据表明 虽然观察到的氧化机制可能是生物性的，但纤毛菌并非如此 必然是进行生物氧化的主要生物体。包括8个参考文献、表格、图表。

Biological treatment of drinking water to remove manganese (Mn) is an attractive option for some communities as it relies on less chemical inputs and the system robustness has been reported to be high. However, mechanistic details that can help operators better understand the limitations of the technology remain poorly documented. Previous studies have focused on bacteria of the genus Leptothrix, identifying them as one of the predominant organisms in Mn oxidizing biofilms. This research took media from inside the biological filters of four Mn biofiltration plants in the province of New Brunswick, Canada. The water was characterized for all four sites and it was found that Mn removal from all plants is virtually 100%. Biofilm was detached from the sand and tested for the presence of Leptothrix using RT-PCR DNA amplification. Results showed that only one plant contained Leptothrix in its filters while three of the four plants tested positive for MOB through plating. These results, along with the bench-scale data, suggest that while the mechanism of oxidation observed is likely biological, Leptothrix is not necessarily the predominant organism carrying out biological oxidation. Includes 8 references, table, figures.