Natural gas blended with hydrogen is increasingly being seen as an important solution in the move toward a net-zero economy, says Rodrigo Quintero Bejarano, Expert Industry Manager, Endress+Hauser, Switzerland.
As the world looks to accelerate the transition to a low-carbon future, many renewable energy sources are being developed to replace their more carbon-intense predecessors. One such rising star in the new energy arena is clean hydrogen; a powerful, versatile alternative capable of producing electricity, power and fuel for transportation. When burned, its only byproduct is water – a significant advantage over traditional greenhouse gas emitters.
With such great potential for the decarbonisation of our society, producing and storing hydrogen safely and effectively is one of the challenges Endress+Hauser is currently helping its partners to solve. As the lightest element on earth, measuring hydrogen accurately is no easy feat, but, using the Coriolis effect or thermal mass, our flowmeters can achieve this; and now we have the tried-and-tested applications to show for it.
Experience in low pressure hydrogen flow
Over the last decade, Endress+Hauser has shipped over 750 thermal mass meters calibrated on low, laminar hydrogen flows for gas and steam turbine generators. The flow totaliser is used to monitor the hydrogen cooling loop that is critical to keep the generators working efficiently. For low pressure applications, this measurement principle will be able to measure hydrogen better than other higher performance measurement principles, like a Coriolis flowmeter which relies on a minimum density of the fluid to make a good and reliable measurement.
With very few global facilities positioned to test flowmeters in hydrogen, third-party calibration data was tricky to source. Given the growing interest in the production, transfer, and storage of hydrogen, higher pressure applications are around the corner as new infrastructure is being built to support decarbonisation. Now, with several hydrogen measurement success stories across different applications and industries, we are able to share exciting results for higher pressure applications with the Coriolis flowmeter.
A measured approach: testing Promass Q onsite
At DNV’s H2 Loop in the Netherlands, we were able to test the Promass Q Coriolis flowmeter for a customer project within the scope of a qualification requirement. At the facility, we tested the sensor first using nitrogen and then later with hydrogen at 30 and 40 bar …
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