Abstract
Countless corporate decarbonization projects place hydrogen at their center. Biofuel firms rely on hydrogen to reduce sugar, starch, and cellulose to hydrocarbons ; green steelmakers use it for both heat and electrons; and fuel-cell vehicles consume it as a transportation fuel, to name a few. But most hydrogen on the market today is made from natural gas, and around 8 kg of carbon dioxide is released into the atmosphere for every kilogram produced. Green hydrogen, on the other hand, comes from splitting water using renewable electricity. A run of recent purchase orders for electrolyzers, the equipment used to carry out that chemistry, suggests that companies are getting serious about securing their hydrogen supply en route to industrial decarbonization. The chemical engineering firm Topsoe will supply 500 MW of its solid oxide electrolyzer units to the start-up First Ammonia , which plans to use the hydrogen to make green ammonia. The
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