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中文摘要：
采用共聚法制备壳聚糖磁性复合材料,以脱色率为主要指标,通过正交试验考察壳聚糖/改性四氧化三铁质量比、投加量、pH、沉淀剂的用量、反应温度等因素对印染废水处理效果的影响.结果表明：pH 对印染废水的脱色效果影响最大.综合考虑,处理印染废水脱色率的最佳工艺条件为：壳聚糖/改性四氧化三铁质量比为1.0∶1.0,投加量为0.2500g,pH 为3.00,温度为35.0 ℃,搅拌时间为30min.在该条件下处理后脱色率为98.82%,除浊率为94.51%,化学需氧量（CODCr）去除率为99.01%;重复六次后脱色率为93.92%,除浊率为89.43%,CODCr为93.81%;通过表征及分析表明壳聚糖复合材料处理印染废水效果明显、可循环利用、经济环保.
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