| 摘要 |
<p>A solid oxide fuel cell (4) operated at about 800°C has a cathode supplied with oxygen along conduit (26) and an anode supplied along conduit (28) with a mixture of replacement fuel and spent anode gas. In the mixture, substantially 80% to 99% by volume of the mixture is spent anode gas. Spent anode gas leaves the cell along conduit (32) and comprises carbon dioxide and water vapour which is condensed out by condenser (34) leaving the spent anode gas richer in carbon dioxide. This enriched gas is pumped by pump (36) and bubbled at (56) into the liquid replacement fuel (50) in a reservoir (52) in which the stream of gas bubbles picks up the replacement fuel in its gaseous or vapour state from the liquid fuel bulk (50) to form the mixture which leaves the reservoir on the conduit (28) which includes desulfurisation unit (29).</p> |
