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<p class="MsoTitle" style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:8.0pt;font-family:"Verdana","sans-serif";color:black;font-weight:normal"><o:p> </o:p></span></p>
<p class="MsoTitle" style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:18.0pt;font-family:"Verdana","sans-serif";color:black;font-weight:normal">VABILO NA PREGLOV KOLOKVIJ / INVITATION TO THE PREGL COLLOQUIUM<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;text-autospace:none">
<b><span style="font-size:18.0pt;font-family:"Verdana","sans-serif"">prof. dr. Alessandro Trovarelli<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;text-autospace:none">
<b><span style="font-size:18.0pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;text-autospace:none">
<span lang="FR" style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, via Cotonificio 108, 33100 Udine, Italy;
<a href="mailto:trovarelli@uniud.it">trovarelli@uniud.it</a><o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="margin-bottom:12.0pt;text-align:center">
<span lang="IT" style="font-size:8.0pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:150%"><b><span style="font-size:16.0pt;line-height:150%;font-family:"Verdana","sans-serif"">Četrtek / Thursday, 22. 11. 2012, ob / at 13:00<o:p></o:p></span></b></p>
<h6 style="margin:0cm;margin-bottom:.0001pt"><b><span lang="FR" style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Velika predavalnica Kemijskega inštituta / Lecture Hall at the National Institute of Chemistry; Hajdrihova 19, Ljubljana<o:p></o:p></span></b></h6>
<p class="MsoNormal"><span lang="FR" style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center;text-autospace:none">
<b><span lang="EN-GB" style="font-size:18.0pt;font-family:"Verdana","sans-serif";color:#993366">APPLICATION OF MATERIALS BASED ON CERIA IN CATALYSIS FOR ENERGY AND ENVIRONMENT<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;text-autospace:none"><span lang="IT" style="font-size:12.0pt">Ceria and other rare earth oxides have been largely used in the last decade in catalyst formulations for a variety of processes in the area of both
chemicals (refining of petrochemical products) and environment (especially dedicated to treatment of exhaust gases from mobile sources). The most significant of the rare earth elements are certainly lanthanum and cerium, their oxides being used as structural
and electronic promoters in several applications in the field of environmental catalysis. Lanthana is well known as surface area stabilizer of supports based on alumina and zirconia, while the major benefit of cerium oxide is to increase oxygen storage/release
properties of three-way catalyst formulations, often in combination with ZrO<sub>2</sub> and other rare earth oxides like.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;text-autospace:none"><span lang="IT" style="font-size:12.0pt">There are also several emerging applications or processes, for which ceria is currently being actively investigated. More specifically, cerium oxide
is used in several applications for the energy sector as a key component in catalyst materials for reforming, partial oxidation and water gas shift reaction. Other energy-related uses are in the fuel cell technology, where CeO<sub>2</sub> and other rare earth
materials are fundamental components to reduce the operating temperature of solid oxide fuel cells.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;text-autospace:none"><span lang="IT" style="font-size:12.0pt">As a contribution to these areas, we have been investigating in the last few years a number of issues concerning the preparation and characterization
of mixed transition metal/precious metals rare earth oxides and vanadates as active materials for applications in catalytic and soot combustion and for use in catalytic reactions involving elimination of NO<sub>x</sub> from diesel engine emissions<br>
[1-8]. Some of these issues will be reviewed here, with a special focus on the catalytic properties and on their fundamental structural/morphological characteristics.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[1] M. Casanova et al., Improved high temperature stability of NH<sub>3</sub>-SCR catalysts based on rare earth vanadates supported on TiO<sub>2</sub>WO<sub>3</sub>SiO<sub>2</sub>,
Catal. Today, 184 (2012) 227-236.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[2] E. Aneggi et al., On the role of lattice/surface oxygen in ceria–zirconia catalysts for diesel soot combustion, Catal. Today, 181 (2012) 108-115.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[3] K. Schermanz et al., Catalyst composition for selective catalytic reduction of exhaust gases, WO2011/127505.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[4] A. Gayen et al., Activity, durability and microstructural characterization of ex-nitrate and ex-chloride Pt/Ce<sub>0.56</sub>Zr<sub>0.44</sub>O<sub>2</sub> catalysts
for low temperature water gas shift reaction, J. Catal., 270 (2010) 285-298.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[5] S. Colussi et al., Structure and morphology of Pd/Al<sub>2</sub>O<sub>3</sub> and Pd/CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> combustion catalysts in Pd-PdO
transformation hysteresis, Appl. Catal. A, 390 (2010) 1-10.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[6] S. Colussi et al., Study of sulfur poisoning on Pd/Al<sub>2</sub>O<sub>3</sub> and Pd/CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> methane combustion catalysts,
Catal. Today, 155 (2010) 59-65.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[7] F. Amoroso et al., An efficient and reusable catalyst based on Pd/CeO<sub>2</sub> for the room temperature aerobic Suzuki-Miyaura reaction in water/ethanol, J.
Mol. Catal. A, 315 (2010) 197-204.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="IT" style="font-size:12.0pt">[8] S. Colussi et al., Nanofaceted Pd-O sites in Pd-Ce surface superstructures: Enhanced activity in catalytic combustion of methane, Angewandte Chemie Int. Ed., 48
(2009) 8481-8484.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-align:justify"><i><span lang="EN-GB" style="font-size:12.0pt;color:black"><o:p> </o:p></span></i></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:150%"><b><span lang="FR" style="font-size:14.0pt;line-height:150%;font-family:"Verdana","sans-serif"">Vljudno vabljeni! / Kindly invited!<o:p></o:p></span></b></p>
<p class="MsoFooter" align="center" style="text-align:center"><span lang="IT" style="font-size:11.0pt;font-family:"Verdana","sans-serif"">info: prof. dr. Albin Pintar,
<a href="mailto:albin.pintar@ki.si">albin.pintar@ki.si</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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