Purifying geothermal steam
Patent
·
OSTI ID:5920835
Residual geothermal steam containing hydrogen sulfide from a steam turbine is condensed with an aqueous solution of ferric chelate whereby the hydrogen sulfide is converted to free sulfur and the ferric chelate is converted to ferrous chelate. The ferrous chelate is subsequently oxidized back to the ferric state and reused.
- Assignee:
- The Dow Chemical Co.
- Patent Number(s):
- US 4528817
- OSTI ID:
- 5920835
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
15 GEOTHERMAL ENERGY
150902* -- Geothermal Engineering-- Fluid Transmission
AQUEOUS SOLUTIONS
CHALCOGENIDES
CHELATES
CHEMICAL REACTIONS
COMPLEXES
DESULFURIZATION
DISPERSIONS
ELEMENTS
FLUIDS
GEOTHERMAL FLUIDS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
IRON COMPOUNDS
MACHINERY
MIXTURES
NATURAL STEAM
NONMETALS
PURIFICATION
SOLUTIONS
STEAM
STEAM TURBINES
SULFIDES
SULFUR
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TURBINES
TURBOMACHINERY
150902* -- Geothermal Engineering-- Fluid Transmission
AQUEOUS SOLUTIONS
CHALCOGENIDES
CHELATES
CHEMICAL REACTIONS
COMPLEXES
DESULFURIZATION
DISPERSIONS
ELEMENTS
FLUIDS
GEOTHERMAL FLUIDS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
IRON COMPOUNDS
MACHINERY
MIXTURES
NATURAL STEAM
NONMETALS
PURIFICATION
SOLUTIONS
STEAM
STEAM TURBINES
SULFIDES
SULFUR
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TURBINES
TURBOMACHINERY