Abstract

<TEX>$CeO_2$</TEX>에 담지된 구리산화물에서 벤젠의 촉매연소 반응에 대해 연구하였다. 담지된 구리산화물 촉매들은 볼밀법과 함침법으로 제조하였고, XRD, FT-IR, TEM 및 TPR에 의해 특성분석을 하였다. 볼밀법으로 제조된 CuO/<TEX>$CeO_2$</TEX> 촉매는 높은 담지량에서도 잘 분산된 CuO를 얻었다. 볼밀법으로 제조된 CuO/<TEX>$CeO_2$</TEX> 촉매는 함침법으로 제조된 촉매에 비해 높은 활성을 보여주었다. CuO의 담지량이 증가할수록 촉매 활성이 증가하였으며, 10 wt%로 담지된 촉매에서 가장 높은 활성을 나타내었다. 또한, 10 wt% CuO/<TEX>$CeO_2$</TEX> 촉매에 소량의 <TEX>$Fe_2O_3$</TEX>와 CoO의 조촉매 첨가는 CuO의 분산도를 높여 반응활성을 증가시켰다. Catalytic combustion of benzene over <TEX>$CeO_2$</TEX>-supported copper oxides has been investigated. The supported copper oxides catalysts were prepared using ball mill method and characterized by XRD, FT-IR, TEM and TPR. In the CuO/<TEX>$CeO_2$</TEX> catalysts prepared using ball mill method, highly dispersed copper oxide species were shown at high loading ratio. The CuO/<TEX>$CeO_2$</TEX> prepared using ball mill method showed the higher activity than those prepared using impregnation method. The catalytic activity increased with an increase in the CuO loading ratio, 10 wt% loaded CuO/<TEX>$CeO_2$</TEX> catalyst giving the highest activity. In addition, the promoting of 10 wt% loaded CuO/<TEX>$CeO_2$</TEX> catalyst with <TEX>$Fe_2O_3$</TEX> and CoO enhanced the dispersion of CuO and then increased the catalytic activity.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.