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作 者:Zhaoli Wang Wenjing Li Yi Zhang Yanyin Cheng Junjian Yu Tianming Dong Xiaoyu Chi Di Liu Zhe Wang
机构地区:[1]School of Chemistry and Life Science,Changchun University of Technology,Changchun 130012,China [2]Advanced Institute of Materials Science,Changchun University of Technology,Changchun 130012,China [3]Key Laboratory of Advanced Functional Polymer Membrane Materials of Jilin Province,Changchun 130012,China
出 处:《Chinese Journal of Chemical Engineering》2024年第6期93-103,共11页中国化学工程学报(英文版)
基 金:support of this work by National Natural Science Foundation of China(22075031,51673030,51603017 and 51803011);Jilin Provincial Science&Technology Department(20220201105GX);Chang Bai Mountain Scholars Program of Jilin Province.
摘 要:Achieving high fouling resistance and permeability using membrane separation technology in water treatment processes remains a challenge.In this work,a novel mixed-matrix membrane(MMM)(poly(arylene ether ketone)[PAEK]-containing carboxyl groups[PAEK-COOH]/UiO-66-NH_(2)@graphene oxide[GO])with superb fouling resistance and high permeability was prepared by the nonsolvent-induced phase separation method,by in-situ growth of UiO-66-NH_(2) on the GO layer,and by preparing hydrophilic PAEK-COOH.On the basis of the structure and performance analysis of the MMM,the maximum water flux reached 591.25 L·m^(-2)·h^(-1) for PAEK-COOH/UiO-66-NH_(2)@GO,whereas the retention rate for bovine serum albumin increased from 85.40%to 94.87%.As the loading gradually increased,the hydrophilicity of the MMMs increased,significantly enhancing their fouling resistance.The strongest anti-fouling ability observed was 94.74%,which was 2.02 times greater than that of the pure membrane.At the same time,the MMMs contained internal amide and hydrogen bonds during the preparation process,forming a cross-linked structure,which further enhanced the mechanical strength and chemical stability.In summary,the MMMs with high retention rate,strong permeability,and anti-fouling ability were successfully prepared.
关 键 词:Poly(arylene ether ketone)-containing Carboxyl groups(PAEK-COOH) UiO-66-NH_(2)@graphene oxide Hydrophilic modification Ultra-high selectivity Strong anti-fouling
分 类 号:X703[环境科学与工程—环境工程] TQ051.893[化学工程]
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