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Prospective environmental impacts of multi-fuel gas turbines
For a carbon-neutral energy system, it is key to achieve a high electrification of heat and transport and, at the same time, a high increase in energy supply from photovoltaics. However, energy supply and demand have to match every minute, and for example, photovoltaic power does not produce energy in the hours when power for heat pumps is in the most demand.
As a result, flexible power supply technologies like gas turbines have gained attention as a potential solution to balance energy demand (or to be used in case of emergency) [1]. In the first case, a carbon capture process is necessary to fit the definition of “net-zero” if natural gas is used. Alternatively, other promising fuels are emerging to reduce environmental impacts while phasing out other fossil fuels e.g. green ammonia and green hydrogen. Furthermore, the recent energy crisis boosted research on multi-fuel turbines [2], including bio-fuels [3].
While literature already investigated different multi-fuel gas turbines from a techno-economic perspective, a comparative prospective environmental assessment remains untapped.
Keywords: Life Cycle Assessment
Multi-fuel turbines
- After a literature review to define the state-of-the-art on the knowledge of environmental impacts of multi-fuel turbines, you will start retrieving data from literature and industrial partners.
- You will get familiar with tools for prospective Life Cycle Assessments like premise and Brightway
- Then, you will need to model the multi-fuel turbines fuelled by different fuels.
- Finally, you will calculate the prospective environmental impacts of the different turbine configurations.
- After a literature review to define the state-of-the-art on the knowledge of environmental impacts of multi-fuel turbines, you will start retrieving data from literature and industrial partners. - You will get familiar with tools for prospective Life Cycle Assessments like premise and Brightway - Then, you will need to model the multi-fuel turbines fuelled by different fuels. - Finally, you will calculate the prospective environmental impacts of the different turbine configurations.
This work investigates how the fuel (and fuel production pathways) affect the environmental impacts of multi-fuel turbines.
This work investigates how the fuel (and fuel production pathways) affect the environmental impacts of multi-fuel turbines.
Dr. Eleonora Bargiacchi: ebargiacchi@ethz.ch;
Dr. Christian Moretti: christian.moretti@psi.ch
Dr. Eleonora Bargiacchi: ebargiacchi@ethz.ch; Dr. Christian Moretti: christian.moretti@psi.ch