A certain renewable source of energy produces 75,000 kW during June. We would like to use it

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A certain renewable source of energy produces 75,000 kW during June.

We would like to use it to produce hydrogen. Hydrogen has to be compressed up to 30 bar, and the oxygen is sold at 125 bar. Assuming perfect water splitting, pure hydrogen and oxygen streams from cathode and anode, respectively, a polytropic (k51.4) efficiency of 85% for the compressors, and the fact that the electrolysis takes place at 80C with an energy ratio of 66%:

a. Compute the flowrate of hydrogen and oxygen produced.

b. Select a technology considering a carbon tax for emitting CO2 of 40h/t and a cost for ground of 25h/m2 (Table P4.16).

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