Techno-economic analysis of the Ca-Cu process integrated in hydrogen plants with CO2 capture

The Ca-Cu based hydrogen production plant operating at a high pressure has been demonstrated to be cost efficient with respect to a benchmark hydrogen production plant based on conventional fired tubular reformer and CO2 capture by MDEA absorption. A hydrogen production cost of 0.178 €/Nm3 and a CO2 avoided cost of 30.96 €/ton have been calculated for this Ca-Cu hydrogen production plant, which are respectively 8% and 52% lower than the corresponding costs of the benchmark.