REPURPOSING EXISTING NATURAL GAS PIPELINES FOR HYDROGEN SERVICE

REPURPOSING EXISTING NATURAL GAS PIPELINES FOR HYDROGEN SERVICE

Shane FinneranWalnut

In efforts toward decarbonization of the existing energy system, hydrogen has emerged as an attractive option for low carbon fuel. Currently, proposed applications for hydrogen include direct use as a fuel, either in pure form, or blended into natural gas supply, and as an option for long-term energy storage
option.
While there are numerous potential opportunities for blending hydrogen into natural gas systems, it is recognized that the introduction of hydrogen into existing natural gas infrastructure may present multiple challenges related to material, operational, and process
compatibility.

This paper presents an overview of the technical, operational, and integrity challenges associated with transitioning line pipe to blended hydrogen service. Additionally, it provides a framework and high-level guidance for how to transition natural gas systems to enable safe and reliable operation withhydrogen.
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Materials Data in Assessment of Components Operating in Extreme Environments
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