Hydrogen is now widely used in anoraginc and organic chemistry e.g. NH3 synthesis for artifical feritlizers.
Simple combusting with airIt's strictly uncommendable because of high emission of NOx due to high flame temperature.
Combusting with pure oxygenIt can be used only for inefficient usage of H2. High-potencial energy as hydrogen should be used in cogenerative process (electricity+heat production) in fuell cells, combusting turbine or steam turbine.
Steam turbineIt's useful with SOFC (Solid Oxide Fuel Cell), steam generated from SOFC's waste heat is used once more for electricity production.
See Rolls-Royce concept: efficiency ~60-70% (H2 to electricity) but noisy.
Simple combusting with airIt's strictly uncommendable because of high emission of NOx due to high flame temperature.
Combusting with pure oxygenIt can be used only for inefficient usage of H2. High-potencial energy as hydrogen should be used in cogenerative process (electricity+heat production) in fuell cells, combusting turbine or steam turbine.
Steam turbineIt's useful with SOFC (Solid Oxide Fuel Cell), steam generated from SOFC's waste heat is used once more for electricity production.
See Rolls-Royce concept: efficiency ~60-70% (H2 to electricity) but noisy.
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