2017

Sulfur Management

COSO case study: 22 years of reliable sulfur removal

Coso Operating Co. LLC operates a 300-MW electricity generation facility at the China Lake Naval Weapons Station, approximately 170 mi northeast of Los Angeles, California, at Coso Junction.

Kolar, M., COSO Operating Co.; Echt, W., Osgood, S., Merichem Co.

Coso Operating Co. LLC operates a 300-MW electricity generation facility at the China Lake Naval Weapons Station, approximately 170 mi northeast of Los Angeles, California, at Coso Junction. After steam wells are tapped and gathered, they produce electricity from the renewable geothermal energy source. The produced steam is passed through a set of turbines/generators. Non-condensable vapors are separated from the condensed steam (water) at low pressure. Finally, the brine is reinjected into the geothermal field. The non-condensable vapors cannot be vented to the atmosphere until small amounts of hydrogen sulfide (H2S) are removed. When the pl

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