水务公司需要成本效益高的技术 为了满足美国环境保护局的要求 砷的新最高污染水平。是的 已经证明，氧化铁涂层砂是一种 去除砷的有效吸附材料 以及饮用水中的其他金属和类金属 还有废水。纤维材料具有更高的比强度 表面积大于颗粒材料，因此 对保留氧化铁进行了评估。四种类型的 纤维材料——聚丙烯、聚酯、玻璃纤维、， 并对纤维素的保存能力进行了评估 铁涂层和去除砷酸盐。沙子也是 进行评估，以提供与以前进行比较的依据 研究 在等温线实验中，四种纤维材料 砷酸盐的吸附密度高于铁 氧化物涂层砂。研究了砷酸盐的吸附密度 氧化铁涂层的玻璃纤维和纤维素含量最高， 表明这些纤维材料可能提供 优于氧化铁涂层砂。包括71个参考文献、表格和图表。

Water utilities need cost-effective technologies in order to meet the US Environmental Protection Agency's new maximum contaminant level for arsenic. It has been demonstrated that iron oxide-coated sand is an effective adsorbent material for the removal of arsenic and other metals and metalloids from drinking water and wastewater. Fibrous materials offer higher specific surface area than granular materials and thus were evaluated for retaining iron-oxide. Four types of fibrous materials - polypropylene, polyester, fiberglass, and cellulose - were evaluated for their ability to retain iron coatings and to remove arsenate. Sand was also evaluated to provide a basis for comparison with previous research. In isotherm experiments, all four fibrous materials showed higher arsenate adsorption densities than iron oxide-coated sand. Arsenate adsorption densities were highest for iron oxide-coated fiberglass and cellulose, suggesting that these fibrous materials may offer advantages over iron oxide-coated sand. Includes 71 references, tables, figures.