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Selective Petroleum Refining Over a Zeolite Catalyst with Small Intracrystal Mesopores
Park, Dong Ho,Kim, Seong Su,Wang, Hui,Pinnavaia, Thomas J.,Papapetrou, Maria C.,Lappas, Angelos A.,Triantafyllidis, Kostas S. WILEY-VCH Verlag 2009 Angewandte Chemie Vol.48 No.41
<B>Graphic Abstract</B> <P>Cracking good cracking: Mesoporous ZSM-5 zeolite catalysts (see TEM image) made by soft templating methods show higher gas–oil cracking activity and greatly enhanced product selectivity than conventional ZSM-5. The cracking of large hydrocarbons to gasoline and diesel fuel occurs in intracrystal mesopores, while the conversion of smaller molecules into feedstock olefins occurs in framework micropores. <img src='wiley_img/14337851-2009-48-41-ANIE200901551-content.gif' alt='wiley_img/14337851-2009-48-41-ANIE200901551-content'> </P>