Refurbishment of Natural Gas Pipelines towards 100% Hydrogen—A Thermodynamic-Based Analysis

Nejc Klopčič (), Thomas Stöhr, Ilena Grimmer, Markus Sartory and Alexander Trattner
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Nejc Klopčič: HyCentA Research GmbH, Inffeldgasse 15, A-8010 Graz, Austria
Thomas Stöhr: HyCentA Research GmbH, Inffeldgasse 15, A-8010 Graz, Austria
Ilena Grimmer: HyCentA Research GmbH, Inffeldgasse 15, A-8010 Graz, Austria
Markus Sartory: HyCentA Research GmbH, Inffeldgasse 15, A-8010 Graz, Austria
Alexander Trattner: HyCentA Research GmbH, Inffeldgasse 15, A-8010 Graz, Austria

Energies, 2022, vol. 15, issue 24, 1-23

Abstract: Hydrogen is a key enabler of a sustainable society. Refurbishment of the existing natural gas infrastructure for up to 100% H 2 is considered one of the most energy- and resource-efficient energy transportation methods. The question remains whether the transportation of 100% H 2 with reasonable adaptions of the infrastructure and comparable energy amounts to natural gas is possible. The well-known critical components for refurbishment, such as increased compressor power, reduced linepack as well as pipeline transport efficiencies, and their influencing factors were considered based on thermodynamic calculations with a step-by-step overview. A H 2 content of 20–30% results in comparable operation parameters to pure natural gas. In addition to transport in pipelines, decentralized H 2 production will also play an important role in addressing future demands.

Keywords: hydrogen; pipeline; natural gas grid; refurbishment; thermodynamic analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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