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by z_rex
978 days ago
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One thing I never see discussed about why hydrogen is so popular as a replacement for hydrocarbons: You can fairly easily generate hydrogen from natural gas via methane pyrolysis, and the carbon falls out as carbon black, a solid. The waste heat from a single gas turbine can generate enough hydrogen to power about 3 turbines of the same size, so when it's all said and done at a combined cycle plant with a steam turbine on the other 2 units, you're down about 12% on your net energy production, but it's not releasing any carbon into the atmosphere. |
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