Journal
ENERGIES
Volume 15, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/en15072383
Keywords
catalysis; bioethanol; reforming; water-gas shift; CO2 methanation; carbon capture and storage; carbon capture and utilization; catalytic conversion of CO2
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Currently, there is a growing focus on applying renewable energy sources to reduce greenhouse gas emissions in the automotive sector and domestic applications. This review article explores the catalytic processes involved in sustainable reforming and CO2 utilization for hydrogen production. The study highlights the possibility of successful production of green and sustainable hydrogen as a power storage technology, as well as the potential for converting CO2 into hydrocarbons.
Currently, a progressively different approach to the generation of power and the production of fuels for the automotive sector as well as for domestic applications is being taken. As a result, research on the feasibility of applying renewable energy sources to the present energy scenario has been progressively growing, aiming to reduce greenhouse gas emissions. Following more than one approach, the integration of renewables mainly involves the utilization of biomass-derived raw material and the combination of power generated via clean sources with conventional power generation systems. The aim of this review article is to provide a satisfactory overview of the most recent progress in the catalysis of hydrogen production through sustainable reforming and CO2 utilization. In particular, attention is focused on the route that, starting from bioethanol reforming for H-2 production, leads to the use of the produced CO2 for different purposes and by means of different catalytic processes, passing through the water-gas shift stage. The newest approaches reported in the literature are reviewed, showing that it is possible to successfully produce green and sustainable hydrogen, which can represent a power storage technology, and its utilization is a strategy for the integration of renewables into the power generation scenario. Moreover, this hydrogen may be used for CO2 catalytic conversion to hydrocarbons, thus giving CO2 added value.
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