Two-stage VSA/PSA for capturing carbon dioxide (CO2) and producing hydrogen (H2) from steam-methane reforming gas.

DOI: 10.1016/j.ijhydene.2020.06.264

Jan. 1, 2020

Adsorbents

Data points

# Adsorbent Gas q / mol kg⁻¹ S / mol mol⁻¹ -ΔH / kJ mol⁻¹
487 Zeolite 5A Methane/Hydrogen 0.75 37.5 18.9
488 AC Methane/Hydrogen 1.0 33.33 21.7
489 Silica gel Methane/Hydrogen 0.2 20.0 14.9
715 Zeolite 5A Carbon dioxide/Methane 4.0 5.33 34.8
716 AC Carbon dioxide/Methane 2.0 2.0 32.2
717 Silica gel Carbon dioxide/Methane 1.0 5.0 25.0
2072 Zeolite 5A Carbon dioxide/Hydrogen 4.0 200.0 34.8
2073 AC Carbon dioxide/Hydrogen 2.0 66.67 32.2
2074 Silica gel Carbon dioxide/Hydrogen 1.0 100.0 25.0