Trace contaminant removal in distillation units

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed

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Details

208213, 208246, 208310R, 208348, 208369, 208 92, 208134, 585820, 585825, C10G 6106

Patent

active

051731738

ABSTRACT:
A hydrocarbon feedstock is simultaneously distilled into two or more fractions while trace concentrations of contaminants in the feedstock are absorbed onto a sorbent packing material during distillation operation. The sorbent packings contain active metal components supported on porous refractory oxides. Such sorbent packings provide surfaces for mass transfer in the distillation process and concurrently absorb contaminants. Product boiling fractions from the absorption-distillation process are further processed over contaminant-sensitive catalysts such as reforming or isomerization catalyst.

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