removal of iron and manganese的意思|示意

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。

Aeration is customarily the first step in treatment for the removal of iron and manganese from well waters and a standard way to separate dissolved gases such as hydrogen sulfide and carbon dioxide.

井水除铁和锰位于处理的第一步，通常用的方法是曝气，同时曝气还可以除取溶解于水的气体硫化氢和二氧化碳。

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。

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。