磁分离性Ni-ZnFe2O4/C纤维复合吸附剂材料的设计合成及性能研究  

Designed Fabrication and Properties of Magnetic Separability Fiber Ni-ZnFe2O4/C Composites Adsorbent Materials

作　　者：费鹏[1] 李泽华 乔俊[1] 解海[1] 赵怡香 FEI Peng;LI Ze-hua;QIAO Jun;XIE Hai;ZHAO YI-xiang(School of Chemistry and Environmental Engineering,Shanxi Datong University,Datong Shanxi,037009)

机构地区：[1]山西大同大学化学与环境工程学院,山西大同037009

出　　处：《山西大同大学学报（自然科学版）》2020年第2期4-7,24,共5页Journal of Shanxi Datong University(Natural Science Edition)

基　　金：大同市科技攻关项目[2016110];山西大同大学博士科研启动基金[2014-B-11]。

摘　　要：利用溶剂热法合成了镍锌铁氧体/碳Ni-ZnFe2O4/Cfiber(NZFCfiber)复合吸附剂材料,分别利用FTIR、XRD、SEM和VSM分析了样品的组成、结构和磁性能,利用样品对不同浓度亚甲基蓝(methylene blue,MB)水溶液的脱色实验研究了样品的吸附性能。结果表明,所得吸附剂吸附性能优良,同时具有典型的纤维结构,吸附过程符合准二级动力学模型(Quasi Second Order Kinetic Model,QSOKM),且为兰格缪尔单分子层吸附,样品的重复性能良好,且由于无机组分具有强的饱和磁化强度(Ms),因此复合材料具有良好的磁分离性,这也使得吸附剂材料可以方便地回收再利用。In this paper,nickel zinc ferrite/C with fibrous structure Ni-ZnFe2O4/C(NZFCfiber)composites were fabricated by sol⁃vothermal method.The composition,structure,shape and magnetism of the samples were determined using FTIR,XRD,SEM and VSM.The adsorption activities of the samples were studied via the adsorption experiment of methylene blue(methylene blue,MB)on the samples as a model.The results show that the as-prepared absorbents possess outstanding adsorption performance and demonstrate fibrous shapes.The adsorption follows quasi-second-order kinetic model and Langmuir thermodynamic model of single molecular lay⁃er.The adsorbents have great reusability and magnetic separation due to the high saturation magnetization(Ms)of the spinel component.

关 键 词：溶剂热法 吸附性能 磁分离 动力学 热力学 

分 类 号：O649[理学—物理化学]