| 摘要 |
A system for pumping a gas stream containing a combustible gas comprises a solid oxide ionic conducting membrane (20) and a vacuum pump (36) for drawing the gas stream at a sub-atmospheric pressure to one side of the membrane. The other side of the membrane is exposed to an oxidising gas, and a potential difference is applied across the membrane so that reactive oxidising species permeate across the membrane to react with the combustible gas to produce at least water vapour. The gas stream is subsequently received by the vacuum pump (36). The vacuum pump may have a pumping mechanism that exposes the gas stream to water and wherein the water vapour is condensed from the gas stream. Alternatively, a condenser (14) may be provided between the pump and the membrane for condensing the water vapour from the gas stream.
|
