METHOD FOR REMOVING MERCURY FROM FLUIDS

METHOD FOR REMOVING MERCURY FROM FLUIDS

Trace levels of mercury in a natural gas are reduced by scrubbing the natural gas in an absorber with an aqueous solution comprising a water-soluble sulfur compound. The water-soluble sulfur compound reacts with a least a portion of the mercury in the natural gas to produce a treated natural gas wit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YEAN, Sujin, O'REAR, Dennis, John, GALLUP, Darrell, Lynn, COOPER, Russell, Evan, YOUNG, Lyman, Arnold
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL
CHEMISTRY
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIRELIGHTERS
FIXED CONSTRUCTIONS
FUELS
FUELS NOT OTHERWISE PROVIDED FOR
LIQUEFIED PETROLEUM GAS
LUBRICANTS
METALLURGY
MINING
NATURAL GAS
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K
TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:Trace levels of mercury in a natural gas are reduced by scrubbing the natural gas in an absorber with an aqueous solution comprising a water-soluble sulfur compound. The water-soluble sulfur compound reacts with a least a portion of the mercury in the natural gas to produce a treated natural gas with a reduced concentration of mercury, and a mercury containing sulfur-depleted solution which can be disposed by injection into a (depleted) underground formation. The produced water extracted with the natural gas from the underground formation can be recycled for use as the scrubbing solution. In one embodiment, a fresh source of water-soluble sulfur compound as feed to the absorber can be generated on-site by reacting an elemental sulfur source with a sulfur reagent in produced water.