Quizzed article | REF: J6368 V2

Hydrogen

Author: Karine SURLA

Publication date: May 10, 2019, Review date: October 1, 2020 | Lire en français

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    4. Hydrogen purification

    The processes we've just seen lead to the production of hydrogen in a mixture with other compounds (essentially CO, CO 2 , methane if the feedstock consists of hydrocarbons, and oxygen for electrolysis). A purification step is therefore necessary before use.

    4.1 CO removal by chemical processes

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    4.1.1 Water Gas Shift reaction

    The conversion of carbon monoxide by steam enables an initial purification of the synthesis gas and contributes to increasing...

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