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Abstract:
一种乙二胺改性磁性壳聚糖的方法及去除废水中双氯芬酸的应用,属于材料制备及水环境保护技术领域。采用一步沉淀法,将小球缓慢滴入碱性溶液中,形成球状吸附剂,易于分离析出,避免对水体造成二次污染。该法操作简单、反应条件温和。采用磁分离技术,将四氧化三铁与壳聚糖分子有机结合,使合成的吸附剂小球具有磁性,在外加磁场的作用下,能够快速高效地从废水中分离出来。用戊二醛交联增加了壳聚糖的化学稳定性,经乙二胺改性后壳聚糖分子上氨基数量增多,增加了污染物的吸附位点,从而提高了对双氯芬酸的吸附容量。
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Patent Info :
Type: 发明授权
Patent No.: CN201811046127.1
Filing Date: 2018-09-07
Publication Date: 2021-11-12
Pub. No.: CN109126729B
Applicants: 北京工业大学
Legal Status: 授权
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ESI Highly Cited Papers on the List: 0 Unfold All
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