Abstract
The removal of toluene by sepiolite supported with Fe2O3 by plasma catalysis was studied. Fe2O3/SEP catalysts were prepared by impregnation and characterized by Brunauer–Emmett–Teller, inductively coupled plasma, x-ray diffractometer, scanning electron microscopy, x-ray photoelectron spectroscopy, and H2-TPR. Degradation efficiency of toluene under Fe2O3 loading, energy yield, carbon balance, CO2 selectivity, and residual O3 concentration were studied. The results show that sepiolite clay as a carrier can reduce the reduction temperature of Fe2O3. Fe2O3/SEP catalyst has good moisture resistance and catalytic capacity. 5Fe/SEP has the best catalytic effect due to its high lattice oxygen content and large specific surface area. After continuous discharge at constant energy density for 48 h, the catalytic ability of 5Fe/SEP does not decrease. The results indicated that sepiolite supported Fe2O3 catalyst is an efficient catalyst for toluene degradation by plasma-catalyst measure.
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