Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Reexamination Certificate
2006-09-29
2009-12-29
Greene, Jason M (Department: 1797)
Gas separation: processes
Selective diffusion of gases
Selective diffusion of gases through substantially solid...
C095S051000, C095S055000, C095S235000, C095S236000, C096S004000, C423S228000
Reexamination Certificate
active
07637984
ABSTRACT:
Increasing the economic and environmental compatibility in treatment processes in sour gas production. For 25 yr, Mobil Erdgas Erdoel GmbH (MEEG) has been treating considerable amounts of sour gas in N. Germany. In 9 fields with different gas qualities, there are ca 30 producing wells. The main processes of the sour gas production and treatment are described. The gas is dried at the well site and if the reservoir pressure is not sufficient, compressed for transportation to the central processing facility. In most cases the use of sulfur solvents is necessary at the wells. Natural gas scrubbers for the total removal of hydrogen sulfide and Claus units with downstream units to obtain sulfur are utilized. To increase the environmental compatibility and economics, a number of secondary processes have been introduced for emission control; glycol stripping; and the Purisol, Selexol, Sulfinol, and Claus processes.
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Goldberg Mark
Greene Jason M
Shumate Anthony
UOP LLC
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