Methanolation consists of reacting a CO2 molecule with a hydrogen molecule to produce methanol (CH3OH). The difficulty lies in the nature of CO2, a very stable molecule. For this purpose, the most mature pathway is currently catalytic hydrogenation, carried out at high pressure and high temperature, in the presence of a catalyst often made up of copper and zinc oxide, to accelerate the reaction. The design of the process depends on the supplier (operating conditions, heat integration, number of distillation columns, etc.).
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