A novel magnetic silica supported spinel ferrites NiFe2O4 catalyst for heterogeneous Fenton-like oxidation of rhodamine B

查看全文 作　　者：Jifeng [1]Qu;Tinghua [1]Che;Libin [1]Shi;Qinghua [1]Lu;Suitao [1]Qi

机构地区：[1]School of Chemical Engineering and Technology, Xi’an Jiaotong University

出　　处：《Chinese Chemical Letters》索引2019年第30卷第6期,共6页

基　　金：the financial support from the Fundamental Research Funds for the Central Universities(No. xjj2016045) 摘　　要：A series of spinel fe rrites magnetic nanopa rticles NiFe2 O4 we re synthesized as the heterogeneous Fentonlike catalyst by hydrothermal method and then NiFe2 O4@SiO2 catalysts were obtained by the modification of NiFe2 O4 via micro emulsion method.XRD,VSM,FTIR,SEM,TEM,BET and XPS were carried to analyze the difference between the above two catalysts.NiFe2 O4@SiO2 catalyst exhibited the higher catalytic activity than NiFe2 O4 for the degradation of Rhodamine B owe to the outer Si02 layers surface,the more important is both of them showed the better catalytic performance when at neutral pH environment. 关键词：HETEROGENEOUS FENTON-LIKE OXIDATION SPINEL ferrites MAGNETIC Synthesis Neutral environment

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A novel magnetic silica supported spinel ferrites NiFe2O4 catalyst for heterogeneous Fenton-like oxidation of rhodamine B

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