The NEMESIS2+ hydrogen generation system consists of a desulphurization module for liquid feedstock (diesel/biodiesel) followed by a reformer module, where catalytic conversion is accomplished by steam reforming with subsequent water-gas-shift reaction. A pressure swing adsorption unit (PSA) will be used for hydrogen purification. The system is equipped with a dual-fuel burner which enables to run the burner on off-gas from the PSA as well as on liquid feedstock. The purified hydrogen can be compressed and stored in a tank before it is fed to the dispenser for refuelling cars.
Using liquid feedstock in combination with steam reforming technology allows for operating the system at high pressures of 12 bars resulting in significantly reduced system size and hydrogen production costs. With the envisaged process concept a system efficiency (LHV(H2) / LHV(fuel)) of higher than 70 % can be achieved. The expected production costs per kg H2 are expected to be lower than 4.00 € per kg of hydrogen.