| 摘要 |
A fluid treatment apparatus comprises a fluid inlet 10, a fluid outlet 11, a treatment chamber 12 disposed between the fluid inlet 10 and fluid outlet 11, a plurality of plate members 13 mounted in the treatment chamber 12, the plane of the plate members being orientated substantially in line with the direction of fluid flow through the chamber between the inlet 10 and the outlet, the plates 13 having at least one major surface comprising a photo catalyst, means 17 being provided for irradiating the photo catalytic surfaces with an activating radiation. In use the plates 13 are rotated and the fluid is forced to flow between portions of the plates which are rotating against the direction of fluid flow. The rotation ensures that the photo catalytic surfaces of the plates 13 are fully exposed to the activating radiation and also causes a turbulent fluid flow between the plates 13 to ensure that any molecules in the fluid flow come into contact with the activated photo catalytic surfaces.
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