Fuel 179 (2016) 17–24 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Amelioration of catalytic activity in steam catalytic cracking of vacuum residue with ZrO -impregnated macro–mesoporous red mud Chinh Nguyen-Huy, Eun Woo Shin School of Chemical Engineering, University of Ulsan, Daehakro 93, Nam-gu, Ulsan 680-749, South Korea highl i ghts graphical a bstrac t ZrO -impregnated macro– mesoporous red mud catalysts were successfully prepared. ZrO -impregnated macro– mesoporous red mud showed excellent catalytic activity. The presence of a macroporous structure enhanced the catalytic activity. The ZrO (3)/MaRM-150 catalysts showed excellent regenerability. article i nfo abstract Article history: ZrO -impregnated macro–mesoporous red mud catalysts were successfully prepared for the catalytic Received 27 May 2015 cracking of vacuum residue (VR) in a steam atmosphere under a ﬁxed-bed reaction condition at 500 C Received in revised form 5 January 2016 for 2 h. Zirconia was homogeneously dispersed in the macro–mesoporous red mud, and the resulting cat- Accepted 17 March 2016 alyst had a high surface area, large pore volume, and highly ordered pore structure dimensions. When Available online 24 March 2016 compared to a ZrO -impregnated mesoporous red mud, the ZrO -impregnated macro–mesoporous red 2 2 mud catalysts exhibited better
Fuel – Elsevier
Published: Sep 1, 2016
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