Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation

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ID: 10492
2019
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Abstract
Hydrocarbons are the most important source for hydrogen production. A combined reaction-separation process using inorganic membranes can significantly increase the reaction conversion by shifting the equilibrium toward product formation. Sulfur poisoning is a significant problem as it deactivates the most commonly used metallic membranes. The relationship of the membrane activity and surface coverage with the surface structure has been recognized in the literature. A theoretical model to simulate hydrogen transport in the presence of sulfur compounds is presented. This model accounts for active site deactivation and permanent structural damage to the membrane. Transport and reaction rate parameters used in the model have been estimated from experimental data. Qualitatively, the model represents well the behavior of inorganic membranes, including partial membrane activity regeneration after the sulfur source is removed.
Reference Key
jorge2019modelinginternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Gabitto, Jorge;Tsouris, Costas;Gabitto, Jorge;Tsouris, Costas;
Journal international journal of chemical engineering
Year 2019
DOI
10.1155/2019/9825280
URL
https://www.hindawi.com/journals/ijce/2019/9825280/abs/
Keywords Keywords not found

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