Hydrogenation of carbon dioxide for methanol production

Louis G.J. van der Ham, Henk van den Berg, Anne Benneker, Gideon Simmelink, Jeremy Timmer, Sander van Weerden

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A process for the hydrogenation of CO2 to methanol with a capacity of 10 kt/y methanol is designed in a systematic way. The challenge will be to obtain a process with a high net CO2 conversion. From initially four conceptual designs the most feasible is selected and designed in more detail. The feeds are purified, heated to 250 °C and fed to a fluidized bed membrane reactor equipped with a Cu/ZnO/Al2O3 catalyst. Zeolite membranes mainly remove the methanol and shift the equilibrium reaction towards methanol. A yield of 25 % per pass is obtained. The permeate and the water-methanol mixture from the phase separator is finally separated in a distillation column. In the final design 15.4 kt/y of carbon dioxide is needed in order to produce 10 kt/y methanol. The net CO2 reduction is about 2/3, which is significant. The process is technical but currently not economically feasible.
Original languageEnglish
Pages (from-to)181-186
Number of pages8
JournalChemical engineering transactions
Publication statusPublished - 2012


  • METIS-292079
  • IR-84906


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