Gas from grass
Discussion
Evanivitch said:
skwdenyer said:
Evanivitch said:
skwdenyer said:
We were talking about fertiliser production. Right now, a lot of fertiliser is produced from natural methane. If we want to reduce our dependence upon fossil fuels whilst leveraging the existing supply chain for methane-based fertiliser, we need an alternate source of methane.
Then there's zero need to make synthetic methane. Methane is just the commercially viable hydrogen carrier we use today. We can easily produce hydrogen using renewables. There's no need to consume further energy making methane as part of fertilizer production.There's of course a strong argument for just setting up huge biophotolysis plants with accompanying fertiliser operations, to provide direct H2 input. But whether the scale would work is open to question. Good old hydrolysis might be the answer after all.
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