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<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoTitle" style="margin:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:14.0pt;font-family:"Verdana","sans-serif";color:black;font-weight:normal">VABILO NA PREGLOV KOLOKVIJ /</span><span lang="EN-US" style="font-size:14.0pt;font-family:"Verdana","sans-serif";color:#1F497D;font-weight:normal">
</span><span lang="EN-US" style="font-size:14.0pt;font-family:"Verdana","sans-serif";color:black;font-weight:normal">INVITATION TO THE PREGL COLLOQUIUM</span><span lang="EN-US" style="font-family:"Verdana","sans-serif";color:black;font-weight:normal"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" 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;layout-grid-mode:char;text-autospace:none;vertical-align:baseline">
<b><span lang="EN-US" style="font-size:18.0pt;font-family:"Verdana","sans-serif"">Prof. Dr. Freek Kapteijn<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;layout-grid-mode:char;text-autospace:none;vertical-align:baseline">
<span lang="EN-US" style="font-family:"Verdana","sans-serif"">Catalysis Engineering, ChemE-Delft University of Technology, The Netherlands<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><span lang="EN-US" style="font-family:"Verdana","sans-serif""><a href="mailto:f.kapteijn@tudelft.nl">f.kapteijn@tudelft.nl</a>
<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><span lang="EN-US" style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:150%"><b><span lang="EN-US" style="font-size:8.0pt;line-height:150%;font-family:"Verdana","sans-serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:150%"><b><span lang="EN-US" style="font-size:16.0pt;line-height:150%;font-family:"Verdana","sans-serif"">Četrtek / Thursday 17. 11. 2016, ob / at 13:00
<o:p></o:p></span></b></p>
<h6 style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm">
<b><span lang="EN-US" style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Velika predavalnica Kemijskega inštituta / Lecture Hall, National Institute of Chemistry; Hajdrihova 19, Ljubljana<o:p></o:p></span></b></h6>
<p class="EndNoteBibliography" style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:12.0pt;font-family:"Verdana","sans-serif";color:#660066"><o:p> </o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center;layout-grid-mode:char">
<b><span lang="EN-US" style="font-size:15.0pt;font-family:"Verdana","sans-serif";color:#792D4C;mso-fareast-language:EN-US">Catalysis Engineering - Structuring Catalysts and Reactors for Energy and Atom Efficient Multiphase Operation</span></b><span lang="EN-US" style="font-size:15.0pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:JA"><o:p></o:p></span></p>
<p class="MsoNormal" style="layout-grid-mode:char"><span lang="EN-US" style="font-size:12.0pt;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:JA"><o:p> </o:p></span></p>
<p class="FirstParagraph" style="text-indent:1.0cm;line-height:normal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Verdana","sans-serif"">Many catalytic processes, including recent routes to process renewables, are multiphase operations, comprising
mostly a solid catalyst and reactants and products in the gas and liquid phase. Intrinsic reaction kinetics, mass and heat transport processes in the catalyst, G/L and L/S phase equilibria and reactor hydrodynamics are coupled and determine together the overall
process.<o:p></o:p></span></p>
<p class="FirstParagraph" style="text-indent:1.0cm;line-height:normal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Verdana","sans-serif"">Catalyst particle size, pore size and liquid phase determine the diffusion time for molecules to reach the
active sites. Hydrodynamics in the reactor control the mass and heat transfer rates between gas and liquid, between liquid and solid catalyst, and with the surroundings. These characteristic transport times should be compatible with the intrinsic catalytic
reaction time(s) for an optimal productivity or selectivity. The increasing use of zeolites with strongly restricted diffusion poses even larger challenges.<o:p></o:p></span></p>
<p class="FirstParagraph" style="text-indent:1.0cm;line-height:normal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Verdana","sans-serif"">Various multiphase reactor types are being used, with the slurry bubble column reactor and the trickle-bed
reactor as the two extremes of the most common operations. In these systems the reaction steps and transport phenomena are strongly coupled. Alteration of one step in a process to improve it affects the other. In an ideal situation one would like to optimize
each step in the process independently of the other.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:1.0cm;layout-grid-mode:char">
<span lang="EN-GB" style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:black">Structuring of catalysts and reactors from the nm to the m scale allows decoupling the scale-dependent and independent phenomena that play a role in multiphase catalytic
processes. Following this approach allows optimizing and fine-tuning the reactor operation. This is illustrated for the classical FTS process where a considerable productivity improvement is predicted. The use of bifunctional catalysts further extends the
application scope of this approach and may contribute to more sustainable developments. Advances in materials science for the controlled manufacture of such structured systems are crucial.</span><span lang="EN-GB" style="font-size:12.0pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span lang="EN-US" style="font-size:14.0pt;font-family:"Verdana","sans-serif"">Vljudno vabljeni / Kindly invited<o:p></o:p></span></b></p>
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<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.
</span><span lang="EN-GB" style="font-family:"Verdana","sans-serif";mso-fareast-language:SL">Albin Pintar (<a href="mailto:albin.pintar@ki.si">albin.pintar@ki.si</a>)</span><span lang="IT" style="font-size:11.0pt;font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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