Evolution of the pore structure-transport relationship during catalyst reduction and sintering studied by integrated multi-scale porosimetry and multi-modal imaging
Chemical Engineering Science(2023)
摘要
•Multi-scale imaging of pellet structural evolution during catalyst reduction and ageing.•Demonstration of the advantages of gas bulk condensation in catalyst characterisation.•Key pellet forming parameter determining ultimate mass transport performance identified.•Imaging reveals underlying reason for the success of a simple bond percolation model.
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关键词
X-ray computed tomography, FIB SEM, Bulk condensation, Adsorption, Porosity, Diffusion
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