Recovery of carbon dioxide from fuel cell exhaust

Patent · Tue Jun 14 04:00:00 EDT 1988

OSTI ID:6828692

Healy, H C; Kolodney, M; Levy, A H; Trocciola, P

An acid fuel cell power plant system operable to produce carbon dioxide as a by-product is described comprising: (a) fuel cell stack means having anode means, cathode means, and fuel cell cooling means, the cooling means using a water coolant; (b) means for delivering a hydrogen-rich fuel gas which contains carbon dioxide to the anode means for consumption of hydrogen by the anode means in an electrochemical reaction in the stack; (c) carbon dioxide absorber means including an absorbent for stripping carbon dioxide from gaseous mixtures thereof; (d) means for delivering hydrogen-depleted exhaust gas containing carbon dioxide from the anode means to the carbon dioxide absorber means for absorption of carbon dioxide from the exhaust gas; (e) an absorbent regenerator; (f) means for delivering carbon dioxide-enriched absorbent from the absorber means to the regenerator for separation of carbon dioxide from the absorbent; (g) means for exhausting carbon dioxide from the regenerator, the means for exhausting further including means for cooling and compressing carbon dioxide exhausted from the regenerator; and (h) means for removing the compressed carbon dioxide from the power plant.

• Assignee: International Fuel Cells Corp., South Windsor, CT
• Patent Number(s): US 4751151
• OSTI ID: 6828692
• Country of Publication: United States
• Language: English

Related Subjects

30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
ABSORPTION
ACID ELECTROLYTE FUEL CELLS
ADSORPTION
ANODES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CATHODES
CHALCOGENIDES
COMPRESSED GASES
COOLING SYSTEMS
DEGASSING
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY SYSTEMS
EXHAUST GASES
EXHAUST SYSTEMS
FLUIDS
FUEL CELL POWER PLANTS
FUEL CELLS
FUEL FEEDING SYSTEMS
FUEL SYSTEMS
GASEOUS WASTES
GASES
HYDROGEN
MANAGEMENT
NONMETALS
OXIDES
OXYGEN COMPOUNDS
POWER PLANTS
REMOVAL
SORPTION
STACK DISPOSAL
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES