Filtering material such as ceramicite, sands, zeolite and coke material were compared and ceramicite was chosen as the filtering material in the project.

在滤料选择方面，重点考虑了陶粒、石英砂、沸石和焦碳，经过优选，最后选定了陶粒作为本项水处理工程的滤料。

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Filtering material such as ceramicite, sands, zeolite and coke material were compared and ceramicite was chosen as the filtering material in the project.

在滤料选择方面，重点考虑了陶粒、石英砂、沸石和焦碳，经过优选，最后选定了陶粒作为本项水处理工程的滤料。

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