Abstract

AbstractA preliminary study based on a conceptual process design methodology that includes a technical evaluation and an economic study has been carried out for the use of the metal‐organic framework NH2‐MIL‐53(Al) as adsorbent for the separation of carbon dioxide from methane. Among the alternatives considered, a vacuum pressure swing adsorption was chosen in the detailed design phase. The combination of a design with columns in parallel and the possibility of recirculating some of the streams ensures a high degree of separation and a final product with high quality without compromising the operation costs. A comparison with the state‐of‐the‐art technology, amine scrubbing, and with a process based on membranes demonstrates that the proposed process is competitive as a result of its low operation costs and the energy demand.

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