| 摘要 |
The present invention provides a rotor for a regenerative exchanger for the transfer of moisture and/or heat, between two gas streams, the rotor comprising layers of aluminium foil which are alternately flat and corrugated to form a plurality of continuous channels through the rotor for said gas streams, the surface of the foils having a porous hygroscopic coating of aluminium hydroxide obtained by precipitation from a solution of an alkali aluminate applied to the surfaces. |
