Removal of the heavy metal and organism and recovery of the inorganic ions is also analyzed in this paper.

论述了预处理柱的制备、再生，测定了预处理柱对重金属及有机物的去除率及无机阴离子的回收率。

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The metal ions could be washed off from the fibers by a treatment with aqueous solutions of EDTA, henced the fibers could be used repeatedly for the recovery of heavy metal ions.

纤维上的金属离子可以被EDTA的水溶液洗去，从而可以使纤维重复地应用于废金属离子的回收利用。

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