• highly reactive magnetite covered with islands of carbon: oxidation of n and s-containing compounds in a biphasic system

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     in this work a series of magnetite were prepared by impregnating of natural goethite (limonite) with glycerol before thermal treatment under n2 flow at 300, 400 and 500 °c. the formation of carbon spots (island) over magnetite was found. the magnetite was found to be the main phase after treatment at 400 and 500 °c with high content of fe2+, which is the active specie in a fenton like system. furthermore, iron oxide particles with magnetic and amphiphilic properties were formed, which are interesting for using as a catalyst in refineries. all materials presented high catalytic activities for oxidation of quinoline and dibenzothiophene in a biphasic reaction system (water/toluene).

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