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  www.dicp.cas.cn    发布时间:2018-08-20    供稿部门:DNL2005
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报告题目:Iron Oxide and Ferrite Nanoparticles –Applications in Catalysis and Environmental Technologies

报告时间:2018年8月21日(星期二)上午9:00

报告地点:能源会议中心201会议室

报告人:Assoc. Prof. Libor Machala, Ph.D., Palacky University in Olomouc, Czech Republic.

  报告摘要:

  Iron oxide and ferrite nanoparticles (NPs) are widely used in various environmental applications thanks to their magnetic, sorption, photocatalytic, and non-toxic properties. There are a lot approaches how to synthesize iron oxide or ferrite NPs, particularly, a large-scale production is desired for the applications. Fe Mosbauer spectroscopy is the key experimental technique for characterization of the NPs and monitoring of processes which they are involved in, including characterization of final products. The effectivity of a process can be enhanced when so called “in-situ” approach is applied. In this case the treated sample (e.g. a pollutant in water) is present direct during the formation of NPs. Thus a pollutant is in a close contact with the NPs just after their formation and before NPs agglomerate. Moreover, it can happen that atoms of the pollutant are able to enter the crystal structure of iron oxide NPs during their formation. The pollutant can be then filtered from the solution very effectively. Magnetic separation can be considered as well.

  报告联系人:DNL2005 周雯慧

  联系电话:84379711

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