Abstract : A 3 MPa, 350 °C fixed bed reactor has been designed to follow-up gas-liquid-solid reactions on a millimetric size heterogeneous catalyst with Raman spectroscopy. The transparent reactor is a quartz cylinder enclosed in a joule effect heated stainless steel tube. A methodology to determine how to focus the microscope for liquid and solid phase characterization is presented. The setup has been validated by performing diesel hydrodesulphurisation on a CoMo/Alumina extrudate catalyst with a conversion very close to expected values along with the acquisition of Raman spectra of the solid catalyst showing an evolution of the catalyst phase during sulfidation.
https://hal-ifp.archives-ouvertes.fr/hal-02061906
Contributor : Catherine Belli
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Submitted on : Friday, March 8, 2019 - 1:56:53 PM
Last modification on : Tuesday, March 12, 2019 - 1:15:43 AM
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