Deposition of Chromium hexacarbonyl (cas 13007-92-6) on alumina in a fluidized bed reactor

Add time:08/30/2019    Source:sciencedirect.com

Cr(CO)6/Al2O3 samples were prepared in a fluidized bed reactor by vapour phase adsorption of Chromium hexacarbonyl (cas 13007-92-6) under nitrogen flow. The preparation of the samples were followed by diffuse reflectance IR spectroscopy and the chromium content was determined by EDXRF. Deposition and pulse techniques were used to vaporize the hexacarbonyl on the alumina surface. The pulse technique proved to be very effective when higher chromium contents were desired. The temperature of the calcination (500°C/300°C) also had a significant effect on the amount of chromium adsorbed.

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