B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/344
B01D 53/14 (2006.01) B01D 53/26 (2006.01) C07C 7/11 (2006.01) C10L 3/10 (2006.01)
Patent
CA 1061083
INVENTION: SIMULTANEOUS DRYING AND SWEETENING OF WELLHEAD NATURAL GAS INVENTORS: JOHN A. SUTHERLAND JOHN W. SWENY ABSTRACT OF THE DISCLOSURE Simultaneous dehydration and sweetening of natural gas to produce therefrom a purified natural gas having a low dew point and a low sulfur content suitable for passage in gas transmission lines with concomitant production of hydrogen sulfide gas removed from the natural gas and production of water substantially free of impurities removed from the natural gas involving passing a solvent medium comprising a normally liquid dialkyl ether of a polyalkylene glycol ether containing 2 to 15 percent water by weight in direct contact with the natural gas to reduce its H2S content to less than 10 parts per million and its water content to less than 12 pounds per million standard cubic feet; stripping the hydrogen sulfide from the solvent medium by means of internally generated steam which s generated by externally heating stripped solvent medium; withdrawing a portion of internally generated steam containing a minor amount of solvent; condensing a portion of it together with contained solvent and returning the steam condensate and contained solvent to the stripping zone; condensing and discharging the remaining portion of withdrawn steam and returning lean solvent medium for stripping of natural gas.
203974
Sutherland John A.
Sweny John W.
LandOfFree
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