摘要
介绍了Fe_3O_4@SiO_2@meso-TiO_2纳米材料的制备方法,并研究了Fe_3O_4@SiO_2@meso-TiO_2纳米材料结合紫外线协同催化蜂蜜及禹白芷农药残留的降解。结果发现,所制备的Fe_3O_4@SiO_2@meso-TiO_2纳米材料与紫外线共同作用,可有效降解蜂蜜及禹白芷中的农药残留。通过外加磁场,Fe_3O_4@SiO_2@meso-TiO_2磁性纳米材料可被有效回收并再次用于蜂蜜及禹白芷中农药残留的降解。
The simple and efficient processin9 method of the Fe3O4@SiO2@mesoTiO2 nanocomposites was introduced and the degradation of the residues of the pesticides in honey and angelica root using both ultraviolet ray and the Fe3O4@SiO2@mesoTiO2 nanocomposites was tested carefully. The co-efforts of ultraviolet ray and the Fe3O4@SiO2@mesoTiO2 nanocomposites for the degradation of the five kinds of pesticides were successfully certified both in the honey and angelica root. After the degradation, an additional magnetic field could be used to recycle the Fe3O4@SiO2@mesoTiO2 nanocomposites which can be utilized several times with a sustaining high photocatalytic activity.
作者
郭卫芸
高珊珊
王永辉
高雪丽
李光辉
GUO Wei-yun;GAO Shan-shan;WANG Yong-hui;GAO Xue-li;LI Guang-hui(Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province,Food and Bioengineering College,Xuchang University,Xuchang 461000,Henan,China;School of Life Sciences,Henan University,Kaifeng 475004,Henan,China)
出处
《食品研究与开发》
CAS
北大核心
2018年第17期15-20,共6页
Food Research and Development
基金
河南省科技攻关项目(172102310699)
许昌市科技发展计划项目-农业(002)
关键词
蜂蜜
禹白芷
紫外线
农药残留
降解
honey
angelica root
ultraviolet ray
pesticide residues
degradation
