Abstract
A Fe, Mn-oxide catalyst was obtained by impregnation of thermally activated dolomite granules with aqueous solutions of Fe(III) and Mn(II) sulfates followed by heat treatment. Its physicochemical properties were studied using differential thermal analysis, X-ray diffraction, low-temperature adsorption-desorption of nitrogen, and scanning electron microscopy. The high efficiency of Fe(II) ion oxidation in aqueous media in a flow-type catalytic reactor was shown, which makes the obtained catalyst promising for the deironization of artesian waters.
Highlights
A Fe, Mn-oxide catalyst was obtained by impregnation of thermally activated dolomite granules with aqueous solutions of Fe(III) and Mn(II) sulfates followed by heat treatment
The high efficiency of Fe(II) ion oxidation in aqueous media in a flow-type catalytic reactor was shown, which makes the obtained catalyst promising for the deironization of artesian waters
I. Chapter 6: Manganese and Copper Oxide Catalysts Deposited on Dolomite Substrate For Groundwater Purification / A
Summary
A Fe, Mn-oxide catalyst was obtained by impregnation of thermally activated dolomite granules with aqueous solutions of Fe(III) and Mn(II) sulfates followed by heat treatment. Что основными факторами, оказывающими влияние на каталитическую активность катализаторов, являются природа металлооксидных прекурсоров, природа подложки, способ получения оксидного покрытия и температура прокаливания полученного носителя с поверхностным слоем осажденного каталитического покрытия [6; 7]. 1 представлена дериватограмма образца Fe, Mnоксидного катализатора, полученного импрегнированием гранул термически активированного при 800 °С доломита раствором сульфатов Fe(III) и Mn(II).
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