| 摘要 |
<p>Especially for use in disinfecting water by bubbling in a gas such as ozone, novel apparatus comprises an inlet (1) and an outlet (2) for liquid and which defines a flow path therebetween, the path including, in succession, a downward flow zone (5) and an upward flow zone (6), the zones being separated by a wall (8) beneath which there is a gap (12) for the flow between the zones, wherein the upward flow zone includes a perforate baffle (14), adjacent to the gap, such that there is substantially laminar flow throughout that zone. <IMAGE></p> |
