以N-330 DMC基聚醚多元醇为原料,采用吸附法,对聚醚多元醇中锌、钴离子的脱除精制工艺进行了研究.实验确定了较佳的吸附剂种类及用量,并对吸附剂螯合纤维的最佳吸附条件和重复使用情况进行了研究.结果表明,最佳吸附剂条件为螯合纤维用量是聚醚多元醇质量的3.33％,吸附温度为60℃,吸附时间为40min,此时对锌、钴离子的脱除率最高,分别为77.1％和40.5％.螯合纤维重复使用了4次,对锌、钴离子的脱除率仍为74.1％和26.4％.
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