CO2 footprint reduction in Natural gas Pipeline transmission, using gas turbines equipped with variable-geometry
Proceedings Publication Date
Alessandro Maschietto
Alessandro Maschietto, Gianluca Bartolini, Francesco Trincia, Federica Furcas
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Aiming to reduce harmful emissions for the people and the Planet, and to contrast climate change, Transmission System Operators (TSO) are included in 2030 climate target and therefore within EU-ETS (European Union - Emissions Trading System).

Natural gas Pipeline transmission typically consumes a percentage of approx. 0,5 % to 2 % in volume of transported gas. This amount of consumed Natural gas (and consequently of CO2 produced to the atmosphere) is variable based on pipeline hydraulics, transmission distance, pipes diameter and coating, and finally operating pressure.

This paper provides one case study applicable on gas pipelines application segment to show the reduction of CO2 production between different technologies of gas turbines available on the market: simulation has been performed with gas turbines equipped with variable geometry in turbine section (hot gas path) versus gas turbines with fixed geometry in hot section.

Results of this simulation will be showed, such as benefits in terms of CO2 emission reduction achievable using variable geometry.

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