= the pounds of activated carbon necessary per bed.

The cost of recovery of H2 by adsorbing CH4 is finally calculated by adding the total annual costs and dividing by the annual output as follows:

Cost of recovery per 1,000 ft3 of gases = (2.056 x 106/2.65 x 109)103 = $0.7758

The manufacture of hydrogen, on the other hand, can be accomplished industrially by three different processes.