Activity and Stability of Novel Silica-Based Catalysts for Hydrogen Production via Oxidative Steam Reforming of Ethanol

The development of catalysts resistant to deactivation, especially to coke formation, is a key issue to perform ethanol reforming successfully. Aiming at carbon formation minimization, in the present work, bimetallic Pt- Ni/CeO2 catalysts were deposited on silica gel with high surface area and teste...

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Bibliographic Details
Main Authors: V. Palma, C. Ruocco, E. Meloni, A. Ricca
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2016-08-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/3658
Description
Summary:The development of catalysts resistant to deactivation, especially to coke formation, is a key issue to perform ethanol reforming successfully. Aiming at carbon formation minimization, in the present work, bimetallic Pt- Ni/CeO2 catalysts were deposited on silica gel with high surface area and tested for ethanol reforming in the low temperature range (300 - 600 °C). The activity was investigated at different contact times and the impact of oxygen co-feeding on catalyst performances was also studied. The increase of space velocity had no effect on ethanol conversion at T > 420 °C under both oxidative and non-oxidative conditions; however, when O2 was co-fed, contact time growth assured almost total conversion until 300 °C. Moreover, the results of stability tests revealed that O2 addition in the reforming mixture improved catalyst stability, which was maintained for 70 h.
ISSN:2283-9216