摘要
运用非溶剂致相分离法合成聚醚砜超滤膜,以聚丙烯酰胺为粘连剂,真空抽滤KH550-TiO_2负载于聚醚砜超滤膜表面,形成KH550-TiO_2/PES超滤膜。采用红外光谱、扫描电镜和接触角表征分析KH550-TiO_2和KH550-TiO_2/PES超滤膜的物理化学性能。通过超滤膜的分离截留实验分析超滤膜的抗污染性能。结果表明:KH550-TiO_2/PES超滤膜负载后孔径减小,具有较高的截留率和渗透通量,并且在紫外光照下进一步提高。KH550-TiO_2/PES超滤膜由于KH550-TiO_2的亲水性和光催化性能,表现出优越的抗污染性能。
The PES ultrafiltration membrane was synthesized by non-solvent induced phase separation. The PAM was used as glue and the KH550-TiO2 nanoparticles were immobilized on the PES ultrafiltration membrane by vacuum filtration.Physicochemical properties of KH550-TiO2 and KH550-TiO2/PES ultrafiltration membrane were characterized by FT-IR, SEM and WCA. Antifouling properties were analyzed by filtering separation experiment. The results displayed that the pore size of KH550-TiO2/PES ultrafiltration membrane was reduced and this membrane had superior rejection and permeation flux, and further improved under UV light. KH550-TiO2/PES ultrafiltration showed better antifouling properties due to hydrophilicity and photo degradation of KH550-TiO2.
作者
毛静涛
杨汉培
高照
张睿宸
柴思琪
MAO Jing-tao;YANG Han-peng;GAO Zhao;ZHANG Rui-chen;CHAI Si-qi(Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes,Ministry of Education,College of Environment,Hohai University,Nanjing 210098,China)
出处
《环境科技》
2018年第4期7-13,共7页
Environmental Science and Technology
基金
国家重大科学仪器设备开发专项(2014YQ060773)
