The results show that the sintered graphite medium has the advantages of higher specific filtration surface area, larger contaminant capture capacity, and cost effective.

研究表明：烧结石墨滤料具有比表面积大、吸附能力强、孔隙率高、截污能力强、过滤周期长产水量高，基建投资省等优点。

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Arranged in barrels of concrete or plastic, these biosand water filtration systems (BSFs) remove 95 to 99 percent of the bacteria, viruses, worms and particles contained in rain or surface water.

通过混凝土桶和塑料桶的处理，生物沙子饮用水过滤系统可以净化95％到99％的细菌、病毒、蠕虫、雨水或者地表水污染颗粒。

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In paper making chitosan can be used as fortifier sizing agent retention and filtration aid surface modifier and flocculation agent for paper-making effluent.

在造纸方面，壳聚糖可用做纸张增强剂、施胶剂、助留助滤剂、表面改性剂和造纸废液的絮凝剂。

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Mirra deep cleans any type of in-ground pool surface and water without using the pool's filtration system, hoses or booster pumps, which results in energy cost savings from running these pool systems less frequently.

ENGADGET: iRobot flaunts the Mirra 530 pool cleaning robot, sends the Looj 330 abroad