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Kinetics of catalytic hydrodesulfurization of a petroleum residue in a batch-recycle trickle bed reactor

✍ Scribed by Papayannakos Nickos; Marangozis John

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
833 KB
Volume
39
Category
Article
ISSN
0009-2509

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✦ Synopsis

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-The kinetics of catalytic hydrodesulfurization of an atmospheric residuum were investigated in a batch-recycle trickle bed reactor with a commercial catalyst. The global rate equation determined was R= (kp) .pfi * P 1 +0.0028~~+0.181 -pHB' Catalyst effectiveness factors q. remaining activity e, effective pore diffisivities 0, and activation energies E have been determined quantitatively. The data have also been interpreted in terms of the two parallel, tirst-order reactions model and the respective parameters have been determined. Solid-liquid chromatography fractions of three hydrocarbon and sulfur compound groups have heen de&mined in addition to the asphaltenes content of the feedstock and the hydrotreated product. These data are discussed and conclusions a~ drawn with respect to their behaviour during HDS and a reaction network is proposed which explains the complicated interrelations involved.

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