Project CLEAN 4G will build upon a sustainable approach to the production of methane (SNG) from CO2 and hydrogen based on renewable sources. This project will reinforce the relationship between a large CO2 emitter and the renewable energy network, nationwide. The production and distribution of methane benefit from the already existing natural gas infrastructure, thus meaning its distribution will not involve additional CO2 emissions usually associated with liquefaction and transportation.
This project presents two distinct research pathways with the same goal: obtaining methane. The pathways correspond to two different processes, one of CO2 methanation and another of bio-crude external oxidation through bubbling of a mixture of gases (O2,H2 and CO2).
Due to the high CO2 emissions of the concrete production plant CMP, the installation of this kind of CO2 conversion units will allow the use of the obtained methane as a fuel in the already existing process, by re-injecting it in the concrete plant and contributing for both the global decrease in gas emissions and a decrease in energy costs. A certain cycle of CO2 emission and re-use is thus created.