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Storage

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Storage
What is the best approach for buffer storage of large quantities of relatively low-pressure gaseous hydrogen (~50 - 500 psi) in used propane or natural gas infrastructure? Suggested approaches include 90,000-gallon industrial propane tanks (similar to https://www.transtechenergy.com/ngl-lpg-propane-butane-asme-storage-tank-inventory/90000-gallon-ngl-lpg-storage-tank) or using natural gas pipelines for hydrogen storage. While the use of natural gas pipelines for hydrogen storage has been a hot topic of late, there are concerns over quality of welds/construction and material compatibility issues when switching natural gas infrastructure over to 100% hydrogen. Does the Panel have recommendations regarding the safe use of these kinds of systems for hydrogen storage, and are there good resources to learn more about this? Does the Panel know of other low-cost gaseous hydrogen storage options that have been implemented successfully and safely?

Regarding the concept of introducing hydrogen gas into natural gas pipelines, this is indeed a hot topic and there are recent quantitative treatments of fatigue crack growth driven by pressure cycling and potentially accelerated by hydrogen.  Some analysis has shown that it can be acceptable to operate natural gas pipelines with a hydrogen blend.  However, this is highly dependent…

Category: Storage
Keywords: Storage, Large Quantity, Propane, Natural Gas, Tank, Pipeline, Piping
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The portal brings together and enhances the utility of a variety of tools and web-based content on the safety aspects of hydrogen and fuel cell technologies to help inform those tasked with designing, approving or using systems and facilities, as well as those responding to incidents.

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