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以纤维素为原料,利用表面氨化交联聚乙烯亚胺(PEI)制备了一种对阿散酸(p-ASA)具有高效吸附效果的功能化纤维素基气凝胶(Cell@PEI).结果表明,三维块状的Cell@PEI具有独特的多孔结构、较大的比表面积(241.4m2/g),且PEI的引入丰富了气凝胶表面的官能团,增强了Cell@PEI中的静电和氢键相互作用,促进了其对p-ASA的吸附.Cell@PEI对p-ASA的吸附符合Freundlich吸附等温模型和准二级吸附动力学模型,最大吸附量为205.6 mg/g.利用NaOH溶液对Cell@PEI气凝胶进行解吸再生5次后,其对p-ASA的去除率仍在70%以上.
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中国造纸
ISSN: 0254-508X
Year: 2022
Issue: 9
Volume: 41
Page: 26-35
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 0
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