{"id":51365,"date":"2024-03-14T10:29:00","date_gmt":"2024-03-14T08:29:00","guid":{"rendered":"https:\/\/www.iceht.forth.gr\/events\/low-temperature-oxidation-in-pd-zeolite-catalysts-recent-advances-challenges\/"},"modified":"2024-03-14T10:30:20","modified_gmt":"2024-03-14T08:30:20","slug":"low-temperature-oxidation-in-pd-zeolite-catalysts-recent-advances-challenges","status":"publish","type":"ajde_events","link":"https:\/\/www.iceht.forth.gr\/en\/events\/low-temperature-oxidation-in-pd-zeolite-catalysts-recent-advances-challenges\/","title":{"rendered":"Low Temperature Oxidation in Pd\/Zeolite Catalysts: Recent Advances & Challenges"},"content":{"rendered":"\n\n\n\n\n\n\n
Speaker:<\/td>\nEleni A. Kyriakidou, <\/strong>Associate Professor<\/p>\n

Department of Chemical and Biological Engineering (CBE)<\/p>\n

University at Buffalo (UB), Buffalo, NY, USA<\/td>\n<\/tr>\n

Theme:<\/td>\nLow Temperature Oxidation in Pd\/Zeolite Catalysts: Recent Advances & Challenges<\/strong><\/td>\n<\/tr>\n
Abstract:<\/td>\nNatural gas has garnered attention as a cleaner alternative fuel for vehicles compared to gasoline or diesel. The main component of natural gas is methane (CH4<\/sub>) and is 25 times more potent than CO2<\/sub> in impact to global warming over a<\/p>\n

100-year period. The conventional solution for CH4<\/sub> remediation is its catalytic oxidation using Pd\/Al2<\/sub>O3<\/sub> catalysts.<\/p>\n

However, Pd\/Al2<\/sub>O3<\/sub> catalysts suffer from low conversions and deactivation through Pd sintering in typical exhausts of natural gas vehicles containing high amounts of H2<\/sub>O (5 \u2013 10%) at low temperatures (< 400 o<\/sup>C). A promising support<\/p>\n

alternative is zeolites that can act as molecular sieve through size limiting pores to restrict Pd sintering in the presence of H2<\/sub>O. Specifically, Pd supported on small-pore zeolites achieved higher CH4<\/sub> oxidation performance compared to zeolites with larger pores. Moreover, the hydrophobicity of zeolites can be increased by increasing the Si content to prevent H2<\/sub>O inhibition. Herein, small-pore LTA and CHA zeolites were synthesized with Si\/Al molar ratios > 1 loaded with 1 wt.% Pd and their CH4<\/sub> oxidation performance was compared with that of 1 wt.% Pd\/Al2<\/sub>O3<\/sub>, the state-of-the-art catalyst for CH4<\/sub> oxidation. The results indicated that an improved CH4<\/sub> oxidation performance in the presence of H2<\/sub>O can be achieved by increasing the hydrophobicity of Pd\/zeolite catalysts. The impact of the zeolite Si\/Al molar ratio, hydrothermal durability and sulphur tolerance on the low-temperature oxidation activity, and H2<\/sub>O exposure on Pd speciation at ambient temperure (25 o<\/sup>C) and moisture (3.1% H2<\/sub>O), will be discussed.<\/td>\n<\/tr>\n

Short CV:<\/td>\nDr. Eleni Kyriakidou received her BSc and MSc degrees in Chemical Engineering in 2007 from the Aristotelian University of Thessaloniki, where her interest in catalysis was sparked while performing research under Prof. Michael Stoukides. She continued to earn a full graduate fellowship from the State Scholarships Foundation of Greece and pursue and complete her Ph.D. in Heterogeneous Catalysis under the supervision of Prof. Michael D. Amiridis at the University of South Carolina in 2014 (Chemical Engineering). During her graduate studies she developed an expertise in the synthesis and characterization of highly dispersed silver, rhodium and gold supported metal catalysts. In her postdoctoral research in Oak Ridge National Laboratory, Dr. Kyriakidou advanced her catalyst synthesis skills and she developed catalytic methods to treat automobile exhausts from cold-starting engines. She started her independent scientific career at the Chemical and Biological Engineering Department at the University at Buffalo (SUNY) in January 2017, and received early promotion to the rank of Associate Professor with tenure in 2023. She leads a research group that is recognized for the production of cutting-edge catalytic materials that meet the strict emission control regulations by utilizing common pollutants from internal combustion engines and marine vessels<\/td>\n<\/tr>\n
Language:<\/td>\nEnglish\u00a0<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"author":11,"featured_media":31935,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[],"event_type":[413],"event_type_2":[],"class_list":["post-51365","ajde_events","type-ajde_events","status-publish","has-post-thumbnail","hentry","event_location-forth-ice-ht-conference-center","event_organizer-ice-ht-forth","event_type-seminars-en"],"acf":[],"yoast_head":"\nLow Temperature Oxidation in Pd\/Zeolite Catalysts: Recent Advances & Challenges - FORTH \/ ICE-HT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iceht.forth.gr\/en\/events\/low-temperature-oxidation-in-pd-zeolite-catalysts-recent-advances-challenges\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Low Temperature Oxidation in Pd\/Zeolite Catalysts: Recent Advances & Challenges - FORTH \/ ICE-HT\" \/>\n<meta property=\"og:description\" content=\"Speaker: Eleni A. 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