Abstract
In this study, room-temperature driven thermocatalyst (Fe/Sr2Bi2O5powder) with negative temperature coefficient resistor (NTC) characteristics was prepared by conventional solid state method at various temperatures. Fe/Sr2Bi2O5powder was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy EDS. The results indicate that Fe/Sr2Bi2O5powder was prepared and the Fe has been doped successfully in Sr2Bi2O5. The thermocatalyst powder obtained a particular and stable crystal style, meanwhile, besides, well distributed size and rough surface were also found in regard to the thermocatalyst above. On the other hand, the thermocatalyst reactions show that Fe/Sr2Bi2O5powder has highest removal rate of degradation under the 0.75% (molar percent) content of Fe at 750oC. The total removal rate of degradation arrives at 93.8% after 3h at 50oC. Hence, Fe/Sr2Bi2O5powder may be a potential thermocatalyst at room-temperature for wastewater treatment in the future.
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