【Ten Years of Great Progress in Chemical Technology】045-2023: First successful global sea trial of direct hydrogen production from offshore wind energy!
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Ten years of rapid development in chemical engineering equipment – praise for China’s prosperity and strength. This is just a starting point; more participation from everyone will make things even more lively. HaiChuan becomes even better with your involvement; we welcome everyone to take part more actively in the forum discussions. Everyone should focus on safety and know how to handle emergencies. ********************************************* Recently, it was reported by the Chinese Academy of Engineering that, following on-site inspections by its expert team, the world’s first pilot project for producing hydrogen through direct electrolysis of seawater without desalination has been successful at the Xinghua Bay offshore wind farm in Fujian. This offshore pilot test was carried out in the Xinghua Bay offshore wind farm in Fujian in the middle to late May, using the world’s first floating offshore hydrogen production platform integrated with renewable energy, developed jointly under the name “Dongfu-1”. This platform combines systems for on-site hydrogen production, intelligent energy conversion management, safety monitoring and control, as well as loading, unloading and lifting functions. It managed to operate continuously and stably for over 240 hours despite exposure to marine conditions such as winds of force 8, waves up to 1 meter high, and heavy rainfall.
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The ocean is the largest hydrogen reservoir on Earth, and obtaining water from the seas represents an important direction for the future development of hydrogen energy. However, seawater has a complex composition, containing over 90 chemical elements as well as a large number of microorganisms and suspended particles, which pose various technical challenges such as high corrosivity and toxicity, catalyst deactivation, and low electrolysis efficiency. In this regard, if hydrogen is produced indirectly using seawater as a raw material, it relies heavily on large-scale desalination equipment; the process is complex and requires significant land use, which increases the cost of hydrogen production as well as the difficulties associated with project construction. Numerous research efforts have been carried out by renowned domestic and international teams to produce hydrogen through the direct electrolysis of seawater; however, over the past half century, no breakthrough theories or principles have emerged that can completely eliminate the impact of the complex components in seawater on the electrolytic hydrogen production process.
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