无烟煤滤料

并对曝气过滤的效果及稀土瓷砂和石英砂、无烟煤混合滤料的性能进行了试验研究。

In this experiment the characteristics of mixed filtration media composed of rare earth sandstone , quartz sand and stone coal were researched .

采用石英砂/无烟煤双层滤料，通过下向流高速过滤技术对城市污水二级出水进行深度处理。

The secondary effluent of municipal wastewater is treated by using the double-layer filter of quartz sand / anthracite and the process of down-flow-high-speed filtration .

介绍了在不同条件下无烟煤单层滤料除铁、除锰、除浊的试验和生产实践，并与锰砂除铁、除锰，无烟煤石英砂双层滤料处理进行了对比试验。

Experiments of mono layer anthracite ( MA ) filtration to remove Fe , Mn and turbidity under various working conditions were conducted in full scale way and compared with control tests of manganese sand and double layer anthracite quartz beds .