Method for diamondoid extraction using a solvent system

Details Method for diamondoid extraction using a solvent system Method for diamondoid extraction using a solvent system

1994-04-25

1995-10-24

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585802, 585833, 585834, C07C 700, C07C 710

Patent

active

054611849

ABSTRACT:
A method for extracting diamondoid compounds from a hydrocarbonaceous fluid such as natural gas, that contains diamondoid compounds is disclosed. The hydrocarbonaceous fluid is mixed with a first solvent in which diamondoids are at least partially soluble. The resulting mixture is separated into a vapor stream and a diamondoid-enriched solvent stream. The vapor stream is then countercurrently flowed past a second solvent in a multistage contacting device, so that a diamondoid-depleted vapor stream and a second diamondoid-enriched solvent stream are created. The diamondoid-enriched solvent streams can be recycled and either added to the first solvent or removed if they are highly saturated with diamondoid compounds.

REFERENCES:
patent: 4952748 (1990-08-01), Alexander et al.
patent: 4982049 (1991-01-01), Alexander et al.
patent: 5120899 (1992-06-01), Chen et al.
Arthur L. Kohl, Fred C. Riesenfeld--"Gas Purification"--Fourth Addition--1985--pp. 828 to 840.

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