纳米铁氧体材料结合了铁氧体的电磁特性和纳米材料的独特优势,使材料表现出优异的磁性和吸附性能,其作为吸附剂在污水处理中的应用具有操作简单、吸附容量高及易回收等优点。单一的铁氧体的吸附容量有限,因此对铁氧体材料进行改性显得尤为必要。概述了铁氧体的微观结构形貌和性能特点,并着重从掺杂改性方面综述了纳米铁氧体材料的制备研究进展,以及其在吸附废水中重金属、有机物、无机物等方面的应用进展,指出掺杂多金属可以大大改善铁氧体材料的磁性和吸附性能。最后对纳米铁氧体吸附剂的未来发展趋势进行了展望。
The combination of the electromagnetic and nanoproperties of nano-ferrite materials make the material exhibit excellent magnetic and adsorption properties.It has many advantages such as simple operation,high adsorption capacity and easy recycling as an adsorbent in sewage treatment.The adsorption capacity of single ferrite is limited,so it is particularly necessary to modify it.The microstructure morphology and properties of the nano-ferrite materials,especially the preparation research progress in terms of the doping modification,as well as its application effect in adsorbing heavy metals,organics,and inorganics in wastewater were introduced.It was pointed out that doping with multi-metals can greatly improve the magnetic and adsorption properties of ferrite materials.Finally,the future development trend of nano-ferrite adsorbents was prospected.
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基金资助
四川省科技计划资助项目(2021YJ0331);四川省教育厅资助科研项目(18ZA0418);四川文理学院特色植物开发研究四川省高校重点实验室开放基金项目(TSZW2102);四川文理学院博士专项科研基金(2019BS014Z)
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