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Yes, it can be a net energy producer given a source of hydrogen, but hydrogen is typically not available for free. See my other comment.
by rasmusei 10y ago
Yes, it can be a net energy producer given a source of hydrogen, but hydrogen is typically not available for free. See my other comment.
- kmm 10y agoNobody is saying hydrogen is free. Nor will the production of ammonia from compounds we have in abundance (i.e. water, air and rock) ever produce energy, as it's a high energy compound, releasing quite a bit of energy when combusted. But that is absolutely not what this is about. However, I was refuting the GP's wrong assertion that the energy cost equation of this reaction shows that it cannot be a net energy producer. It makes sense to optimize this step, because the energy equation shows the energy is just wasted as heat, as it's not contained in the compound itself.
- rasmusei 10y agoI agree 100%. Thanks for the clarification!