Partial oxidation with CCUS
5-6
Technology Description
In partial oxidation, natural gas reacts with a limited amount of oxygen that is not enough to completely oxidise it to carbon dioxide and water. With less than the stoichiometric amount of oxygen available, the reaction products are primarily hydrogen and CO. The process is followed by a water gas shift process in which the CO reacts with water to generate more H2 and CO2. The partial oxidation is an exothermic process, which avoids the need for an external input of heat and, therefore, avoiding the production of a diluted CO2 stream.
Relevance for Net Zero
Partial oxidation of methane with CCUS and high capture rates can decrease significantly the CO2 emissions associated with hydrogen production and should play an important role in net zero pathways, particularly for the creation of new production capacities, as long as the CO2 is permamently stored and upstream emissions of the fuel supply are minimised or completely avoided
Key Countries
Netherlands, Middle East
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