Final report on the project "Carbon footprint for the CAPHENIA process" published

In the project "Carbon footprint for the CAPHENIA process" an ecological evaluation of the CAPHENIA process was conducted and compared to a power-to-liquid process route. The process developed by CAPHENIA can be used to recycle the CO2 emissions from large power stations or industrial operations to produce synthetic fuels. The process is based on the splitting of methane (CH4) into carbon and hydrogen (H2) using electrical energy in a plasma reactor. In the next stage of the process, recycled CO2 and water are added in a Boudouard-hetWGS reactor to produce synthesis gas. The resulting synthesis gas can then be converted into liquid end products such as kerosene, diesel or naphtha. The aim of the project was to determine the extent to which this process has greenhouse gas emissions savings compared to a classical power-to-liquid process route consisting of electrolysis coupled with a reverse water gas shift reaction.

 

GHG emissions for the three process routes

Figure: GHG emissions for the three process routes, subject to the emission factor for electricity

 

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