Experimental Study of Flow Regimes and Empirical Correlations of the Pressure Drop in a Trickle Bed Reactor

Abstract eng:
Trickle bed reactors (TBRs) are an important component in the refining processes. TBRs are widely popular in the ... residual oils, hydrogenation of aromatics in gasoil and the hydrocracking of lube-oils (Sie and Krishna, 1998). When such heavy oil suspensions are treated in TBRs, a residual fraction of fine particles may be deposited onto the bed surface. If continued unabated, the deposition even in small concentrations, will overtime cause pore plugging and increases the pressure drop over the TBR. The catalyst operates as a huge filter now capturing the fine particles instead of its primary role to the extent that the chemically active catalyst has to be replaced before the completion of its operating life that incurs economic costs.

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