Process for purifying geothermal steam

Patent · Tue Apr 01 00:00:00 EST 1980

OSTI ID:5353915

Li, C T

Steam containing hydrogen sulfide is purified and sulfur recovered by passing the steam through a reactor packed with activated carbon in the presence of a stoichiometric amount of oxygen which oxidizes the hydrogen sulfide to elemental sulfur which is adsorbed on the bed. The carbon can be recycled after the sulfur has been recovered by vacuum distillation, inert gas entrainment of solvent extraction. The process is suitable for the purification of steam from geothermal sources which may also contain other noncondensable gases.

• Assignee: Dept. of Energy
• Patent Number(s): US 4196183
• OSTI ID: 5353915
• Resource Relation: Patent File Date: Filed date 24 Jan 1979; Other Information: PAT-APPL-5,942
• Country of Publication: United States
• Language: English

Related Subjects

15 GEOTHERMAL ENERGY
GEOTHERMAL FLUIDS
DESULFURIZATION
HYDROGEN SULFIDES
REMOVAL
NATURAL STEAM
ACTIVATED CARBON
ADSORPTION
DISTILLATION
OXIDATION
OXYGEN
PACKED BED
PURIFICATION
RECYCLING
SULFUR
ADSORBENTS
CARBON
CHALCOGENIDES
CHEMICAL REACTIONS
CRYOGENIC FLUIDS
ELEMENTS
FLUIDS
HYDROGEN COMPOUNDS
NONMETALS
SEPARATION PROCESSES
SORPTION
STEAM
SULFIDES
SULFUR COMPOUNDS
150600* - Geothermal Energy- Environmental Aspects