Ru–Pd Bimetallic Catalysts Supported on CeO2-MnOX Oxides as Efficient Systems for H2 Purification through CO Preferential Oxidation
نویسندگان
چکیده
منابع مشابه
Computational Design of a CeO2‐Supported Pd-Based Bimetallic Nanorod for CO Oxidation
Engineering a bimetallic system with complementary chemical properties can be an effective way of tuning catalytic activity. In this work, CO oxidation on CeO2(111)supported Pd-based bimetallic nanorods was investigated using density functional theory calculations corrected by on-site Coulomb interactions. We studied a series of CeO2(111)supported Pd-based bimetallic nanorods (Pd−X, where X = A...
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The aim within this project was to optimise the CO oxidation over TiO2 supported gold catalysts, focusing on two different preparation methods; deposition precipitation (DP) and photodeposition (PD), using different types of TiO2 and varying the theoretical gold loading. The catalyst were characterised with TEM (size) and ICP-AES (loading). For DP catalysts, the support is important for high ac...
متن کاملPreferential CO oxidation in hydrogen (PROX) on ceria supported catalysts PART II. Oxidation states and surface species on Pd/CeO2 under reac- tion conditions, suggested reaction mechanism
The aim of the PROX reaction is to reduce the CO content of hydrogen feed to proton exchange membrane fuel cells (PEMFC) by selective oxidation of CO in the presence of excess hydrogen. Both Pt and Pd on ceria are active in CO oxidation (without hydrogen) while Pd is poorly active in the presence of hydrogen. In this paper we aimed at finding the reasons of such behavior, using the same techniq...
متن کاملCopper Catalysts Supported on CeMnO2 for CO Oxidation in Hydrogen-Rich Gas Streams
e"> The CeMnO2 supports were prepared via co-precipitation method by ammonia as <span style="font-size: 9p...
متن کاملPreferential CO oxidation in hydrogen (PROX) on ceria supported catalysts PART I. Oxidation state and surface species on Pt/CeO2 under reaction conditions
The CO content of hydrogen feed to proton exchange membrane fuel cells (PEMFC) must be kept under 1-100 ppm for their proper operation. This can be achieved by using catalysts able to selectively oxidize CO in the presence of excess hydrogen (PROX). The present study reports on the mechanism of PROX reaction on Pt/CeO2 catalyst, by using catalytic tests, in-situ DRIFTS, high-pressure XPS, HRTEM...
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ژورنال
عنوان ژورنال: Catalysts
سال: 2018
ISSN: 2073-4344
DOI: 10.3390/catal8050203