Based on wastewater treatment point out, the feature of tannery wastewater, all were reviewed. And the necessity of kinds of adsorption materials used in tannery developing the new adsorbent （chitosan） was%介绍制革废水水质特征的基础上，对各类吸附材料应用于制革废水的处理进行了综述，最后指出了新型吸附剂（壳聚糖）开发研究的必要性。
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