P(MA-co-AA)/FP复合纳米纤维膜吸附亚甲基蓝的性能Study on the adsorption of methylene blue onto P(MA-co-AA)/FP composite nanofibrous membrane
周磊,李长龙,刘志
摘要(Abstract):
采用静电纺丝技术将丙烯酸甲酯与丙烯酸的共聚物P(MA-co-AA)与羽毛多肽(FP)共混纺丝,制备P(MA-co-AA)/FP复合纳米纤维膜,研究了P(MA-co-AA)/FP复合纳米纤维膜对亚甲基蓝(MB)的吸附性能。结果表明:P(MA-co-AA)/FP复合纳米纤维膜对MB溶液的吸附行为符合准二级动力学模型,吸附过程为化学吸附;吸附等温线符合Langmuir等温吸附模型,吸附过程以单分子层吸附为主,该吸附是放热过程;在碱性环境中,P(MA-co-AA)/FP复合纳米纤维膜对MB表现出良好的吸附性能,当pH值为9时,最大吸附量达30.2 mg/g。
关键词(KeyWords): 羽毛多肽(FP);丙烯酸;亚甲基蓝;吸附
基金项目(Foundation): 纺织面料安徽省高校重点实验室开放基金(2018AKLTF07)
作者(Author): 周磊,李长龙,刘志
DOI: 10.16203/j.cnki.41-1397/n.2020.02.002
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