Integration of Molten Carbonate Fuel Cells in Fischer-Tropsch Synthesis

摘要

In various aspects, systems and methods are provided for integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process. The molten carbonate fuel cells can be integrated with a Fischer-Tropsch synthesis process in various manners, including providing synthesis gas for use in producing hydrocarbonaceous carbons. Additionally, integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process can facilitate further processing of vent streams or secondary product streams generated during the synthesis process.

主权项

1. A method for synthesizing hydrocarbonaceous compounds, the method comprising:
introducing a fuel stream comprising a reformable fuel into an anode of a molten carbonate fuel cell, an internal reforming element associated with the anode, or a combination thereof; introducing a cathode inlet stream comprising CO2 and O2 into a cathode inlet of the molten carbonate fuel cell; generating electricity within the molten carbonate fuel cell; generating an anode exhaust comprising H2, CO, H2O, and at least about 20 vol % CO2; reacting at least a portion of the anode exhaust under effective Fischer-Tropsch conditions in the presence of a shifting Fischer-Tropsch catalyst to produce at least one gaseous product and at least one non-gaseous product, wherein a CO2 concentration in the at least a portion of the anode exhaust is at least 80% of a CO2 concentration in the anode exhaust; and recycling at least a portion of the at least one gaseous product to the cathode inlet.