The residue includes heavy metals, carcinogens and even radioactive materials that young children can get on their hands and ingest, especially if they're crawling or playing on the floor.

这些包括重金属，致癌物资甚至放射性物资在内的残余物，沾满了婴幼儿的双手甚至被他们的呼吸道吸收。当婴幼儿在地板上爬行或者玩耍时，所受的污染尤甚。

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Adding sepiolite can degrade the three exchangeable heavy metals and stabilize the heavy metal treatment effect especially when soil is contaminated by the multiple heavy metals.

海泡石的添加能同时降低三种重金属在土壤中的可交换态，在多种重金属并存情况下具有很好的重金属稳定化修复作用。

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Biosorption, which USES biological materials as adsorbents, has been considered as an alternative method of wastewater treatment, especially for those with low concentration of heavy metals.

生物吸附法是处理较低浓度重金属废水的高效廉价的好方法之一。

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