Impact of Hydrogen on NTS Polymer/ Elastomer Materials – Phase 2
Status:
Live
Project Reference Number:
NIA_NGT0249
STRATEGY THEME:
  • Net zero and the energy system transition
START DATE:
END DATE:
Project summary
Funding mechanism:
  • NIA_RIIO-2
Technology:
  • Gas Transmission Networks
  • Hydrogen
Expenditure:
£694,224
Summary
Documents

This project is a follow-up to the study on the impact of hydrogen on NTS polymers (Phase 1). The aim of this phase is to address the knowledge gaps identified in Phase 1 and then conduct physical testing to inform policy and procedural updates, as well as identifying in-service requirements to ensure the safe utilisation of NTS polymers in a hydrogen-pressurised environment. Unlike Phase 1, Phase 2 will also involve examining the impact of CO2 on NTS polymers by replicating the activities to include CO2

Benefits

National Gas Transmission (NGT) is committed to reducing emissions from the operation of the National Transmission System (NTS) and eliminating emissions by 2050. A key route to achieving this involves transitioning the network from natural gas to hydrogen and carbon (CCUS). Successfully transitioning from methane to a hydrogen or carbon network requires a safe use of polymeric materials. This is crucial due to the expected challenges posed by the interaction of gases (H₂/CO₂) with polymeric materials, which are part of multiple assets in the network.

Understanding gases interaction with polymeric materials through different mechanisms such us solubility, diffusivity, permeation is key to achieve material compatibility selection in line with quality and safety standards.

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