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Determination of the Content of Promoters in Magnetite and Wustite Phases in the Fused Iron Catalyst

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Lendzion-Bieluń Z., Jędrzejewski R.
Polish Journal of Chemical Technology
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2013
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vol. 15
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issue 1
27-29
EN
Taking advantage of differences in etching rates of crystallographic phases, forming an oxidized form of the fused iron catalyst, a content of promoters in main phases, magnetite and wustite, was determined. A calcium oxide content in magnetite and wustite was 0.54 wt% and 3.59 wt%, respectively. Aluminum oxide was found in the magnetite phase, and its content was 4.5 wt%. The third promoter, potassium oxide, was almost completely located outside these phases. XRD and ICP-OES instrumental methods were used in the investigations.
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