| 摘要 |
A method is described of recovering a noble gas from a first gas mixture comprising a plurality of components. The method comprises the steps of supplying the first gas mixture to a gas chromatography column for separating the components of the gas mixture and sequentially exhausting the components therefrom; supplying to the column a carrier gas for drawing the noble gas from the column; collecting an exhaust gas exhaust from the column, the exhaust gas comprising the carrier gas and the noble gas; and controlling the supply of carrier gas to the column to control the relative amounts of carrier gas and noble gas within the collected exhaust gas. The method finds particular use in the recovery of noble gas from a gas mixture exhaled by a patient to form a ventilation gas comprising both the noble gas and the carrier gas. |
