The effects of aeration on biological iron and manganese removal in groundwater were investigated and the appropriate aeration pattern was established.

为了研究曝气在生物除铁除锰中的作用，确定合理的曝气方式和曝气强度。

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So the economic benifits of the technique are obvious. The technique is another development in the field of iron and manganese removal, and enlarges the research field of iro...

该工艺是地下水除铁除锰技术及工艺上的又一突破，拓展了地下水除铁除锰技术的研究领域。

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Through immobilizing the isolated Leptothrix bacteria on manganese sand and quartz sand, the iron and manganese removal efficiency by the biologically immobilized filtration columns were studied.

通过在锰砂及石英砂上固定自行分离的纤发菌属细菌，研究了生物固定化锰砂及石英砂滤柱的除铁除锰能力。

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