One way to bring the recovered energy higher could be to use some of the steam energy to drive a steam engine (with most still used in a heat exchanger). The st

One way to bring the recovered energy higher could be to use some of the steam energy to drive a steam engine (with most still used in a heat exchanger). The steam engine, in turn, can provide at least some of the power needed to take the sea water in the last stage past 100°C.