Mercury removal from liquid hydrocarbon fraction

Details Mercury removal from liquid hydrocarbon fraction Mercury removal from liquid hydrocarbon fraction

1994-12-21

1996-04-23

Gibson, Sharon

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585802, 585830, 585853, C07C 712

Patent

active

055105653

ABSTRACT:
Mercury is removed from a liquid hydrocarbon fraction by effecting high-temperature heat treatment to convert an organic mercury compound into an inorganic mercury compound or elemental mercury, removing a higher molecular weight component from the fraction, removing water from the fraction, and thereafter contacting the fraction with an adsorbent in the form of active carbon having calcium or a calcium compound supported thereon. Although only a minor amount of mercury is contained in the liquid hydrocarbon fraction, mercury can be efficiently removed at low cost on an industrial large scale, achieving an extremely low mercury concentration.

REFERENCES:
patent: 5062948 (1991-11-01), Kawazoe et al.
patent: 5202301 (1993-04-01), McNamara
patent: 5389234 (1995-02-01), Bhargara et al.

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