Steam methane reforming (SMR) for hydrogen production with carbon capture from pressure swing adsorption (PSA) tail gas using cryogenic membrane separation

Auteur(s): Janssen, J.L.L.C.C.
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Download Icon Steam methane reforming (SMR) for hydrogen production with carbon capture from PSA tail gas using cryogenic membrane separation (Laatst aangepast op: 2019-10-25 11:52:40)

Steam methane reforming (SMR) is a method that can be used for producing hydrogen from natural gas. This is achieved in a processing device called a reformer, which reacts steam at high temperature with the gas. SMR uses the following endothermic reaction:

CH4 + H2O ⇌ CO + 3H2.

The reaction is carried out at an activation energy of 206 kJ/mol and temperatures of 500-900 degrees Celsius. In this SMR plant, a COGEN plant is running to export a relatively small fraction of the energy involved to the electricity grid. This represents a technology with high CAPEX/low OPEX. The CO2 is captured from the pressure swing adsorption (PSA) tail gas using low temperature and cryogenic membrane separation technology.

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