Title
Electrochemical reforming of glycerol in alkaline PBI-based PEM reactor for hydrogen production
Date Issued
01 January 2014
Access level
metadata only access
Resource Type
journal article
Author(s)
Universidade de Brasília
Publisher(s)
Italian Association of Chemical Engineering - AIDIC
Abstract
One possible route for glycerol utilisation is through a reforming process in which clean hydrogen can be produced. This study presents the results of an Alkaline Membrane Electroreforming Reactor operated with KOH-doped polybenzimidazole (PBI). Commercial PtRu/C and Pt/C are used as catalysts for the anode and the cathode, respectively. The influence of two important operating variables, the temperature, and the composition of the cathode feed solution is studied. A significant enhancement in the cell performance is observed with the temperature until 90°C. The highest efficiency for H2 production (comparison with the amount predicted from Faraday's law) corresponds to a KOH concentration in the cathode feed solution of 2 mol L-1. Logically, higher current densities favours the amount of hydrogen produced and approaches the experimental values to the theoretical ones. Finally, the analyses of the product distribution show that more oxidized species can be obtained the higher the temperature and the current density, though the main products are C3 organic acids, especially tartronic acid.
Start page
205
End page
210
Volume
41
Issue
Special Issue
Language
English
OCDE Knowledge area
Ingeniería química
Ingeniería eléctrica, Ingeniería electrónica
Scopus EID
2-s2.0-84908613427
Source
Chemical Engineering Transactions
ISSN of the container
22839216
Sources of information:
Directorio de Producción Científica
Scopus