根据腐殖酸的结构特点选取适当模型物,采取紫外-可见分光技术研究瓜环的投加量、时间、温度及pH值对腐殖酸模型物去除的规律.研究表明,模型物的结构是影响瓜环对腐殖酸模型物去除的最主要因素,其中羧基和芳环是影响瓜环对模型物吸附效果的主要基团；瓜环对腐殖酸及其模型物的吸附主要为物理吸附,并且吸附有较宽的pH值范围；瓜环对腐殖酸模型物去除作用的较优条件为瓜环投加量1.8g/L,初始浓度20mg/L,平衡时间5h.在此条件下,瓜环对腐殖酸模型物苯甲酸、2-萘酚、萘、苯甲醚及腐殖酸的去除率分别为94.52％、98.24％、81.52％、85.66％和99.85％.
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