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OALib Journal期刊
ISSN: 2333-9721
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树脂固载纳米铁对偶氮染料直接湖蓝5B的脱色性能研究
Keywords: 固载纳米铁,树脂,偶氮染料,脱色
Abstract:
以FeSO4和NaBH4水溶液为前驱溶剂，以聚苯乙烯型阳离子交换树脂为载体，制备了树脂固载的纳米铁，室温下用于对偶氮染料直接湖蓝5B水溶液进行脱色研究。研究结果发现，脱色反应遵循准一级反应动力学，在初始pH为3～10的范围内，反应进行14min时，50mg/L的染料溶液脱色率均能达到83%以上。固载的纳米铁材料可多次重复利用，溶液中释放的铁离子浓度不超过0.1mg/L。
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