Process for the removal and recovery of mercury from hydrocarbon

Details Process for the removal and recovery of mercury from hydrocarbon Process for the removal and recovery of mercury from hydrocarbon

1996-12-18

1999-11-23

Langel, Wayne

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

95134, 208251R, 210673, 210679, B01D 5364

Patent

active

059895063

ABSTRACT:
The invention relates to a process for removing and recovering mercury, an impurity, from a hydrocarbon feedstream. The process comprises separating the hydrocarbon feedstream into a gaseous portion and a liquid hydrocarbon portion and separately treating the gaseous and liquid portions by adsorption in separate purifier beds. The gas and liquid purifier beds are regenerated sequentially with a heated regenerant stream that following desorption and recovery of mercury is further purified in a secondary regenerable adsorption bed. The sequential regeneration of the two separate purifier beds and the secondary adsorbent bed significantly reduces the capital and operating cost for the process and serves to concentrate the mercury in the secondary adsorbent bed where it can be removed at a lower cost.

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