High-temperature sorbent method for removal of sulfur containing gases from gaseous mixtures

Patent · Tue Jun 19 04:00:00 EDT 1984

OSTI ID:7258597

Young, J E; Jalan, V M

A copper oxide-zinc oxide mixture is used as a sorbent for removing hydrogen sulfide and other sulfur containing gases at high temperatures from a gaseous fuel mixture. This high-temperature sorbent is especially useful for preparing fuel gases for high temperature fuel cells. The copper oxide is initially reduced in a preconditioning step to elemental copper and is present in a highly dispersed state throughout the zinc oxide which serves as a support as well as adding to the sulfur sorption capacity. The spent sorbent is regenerated by high-temperature treatment with an air fuel, air steam mixture followed by hydrogen reduction to remove and recover the sulfur.

• DOE Contract Number: W-31109-ENG-38
• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): US 4455286; A
• Application Number: PPN: US 6-395895
• OSTI ID: 7258597
• Country of Publication: United States
• Language: English

Related Subjects

30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
ADSORBENTS
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
DESULFURIZATION
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELEMENTS
FLUIDS
FUEL CELLS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT TREATMENTS
HIGH-TEMPERATURE FUEL CELLS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MANAGEMENT
MATERIALS RECOVERY
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PROCESSING
REGENERATION
SORPTIVE PROPERTIES
SULFIDES
SULFUR
SULFUR COMPOUNDS
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
WASTE MANAGEMENT
WASTE PROCESSING
ZINC COMPOUNDS
ZINC OXIDES