Biogas upgrading – Review of commercial technologies - SGC

SGC Rapport 2013:270
With a suitable refrigerant mix, very high temperature drops can be realised which
otherwise would require a cascade cycle with multiple steps. Furthermore, it is
possible to use only one refrigerant pump for the whole process, as opposed to a
cascade process where each step needs its own pump. However, MRC processes
require much more know-how and are more sophisticated than single refrigerant
cycles, so the development costs are higher too. This makes it difficult to deploy
MRC processes for the relatively small-scale biogas applications.
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