Such devices can reduce the concentration of manganese by 60% to100% depending on filter use and the characteristics of the water.
一些装置依靠过滤器的应用和水的特性,能降低60%-100%锰含量。
A down-flow biological filter is used for the groundwater iron and manganese.
以生物滤柱为反应器,对含铁、锰地下水进行处理。
One of reasons for it is that graduation of manganese sand is not rational, which leads to partial confusion of filter layer construction.
分析原因:工艺改造时所选的锰砂有部分粒径不符合要求,导致级配不合理,造成滤层结构部分混乱;
The anthracite used as filter material in water plant for biological removal of iron and manganese has been studied and practiced through production practices.
目的通过生产实践,进行了无烟煤作为在生物除铁除锰水厂滤料的研究与应用。
The anthracite used as filter material in water plant for biological removal of iron and manganese has been studied and practiced through production practices.
目的通过生产实践,进行了无烟煤作为在生物除铁除锰水厂滤料的研究与应用。
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