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Michelmersh is exceptionally proud of the trial ’ s outcomes , which effectively demonstrated our ability to utilize 100 percent hydrogen within our standard manufacturing process for firing clay brick products

as Mick reveals : “ During the trial , the main difficulty we encountered revolved around preparing the equipment and working with hydrogen , which presented a distinct set of regulations , safety considerations , and control requirements . In contrast , the firing process itself was relatively easy since we were already familiar with it . Along with our partners , we spent a substantial amount of time complying with all necessary regulations before proceeding with lighting the hydrogen and starting the firing process . Our objective was to replicate the firing cycle typically used with natural gas , while utilizing the required equipment for hydrogen . Once we achieved that , we conducted three firings , aiming to replicate the same firing profile as with natural gas .

“ The first burn resulted in variations in size and color , prompting us to make necessary adjustments . Indeed , hydrogen ’ s high velocity and pressure of 300 bar makes it harder to control than natural gas . To overcome this , we reduced the pressure to three bar at the burner head , changed the gas-air ratios , and adjusted the way the bricks were arranged to

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