| 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 (3,4) including a gas bubble inlet (9,10) and an upward flow zone (4,6), the adjacent downward and upward flow zones being separated by a wall (7,8) beneath which there is a gap (11,12) for the flow between the zones, wherein the gas bubble inlet is at a height of at least 50% of the height of the gap. <IMAGE></p> |
