| 摘要 |
A mixing vessel for containing a liquid, comprising a chamber having a lower chamber portion and an upper chamber portion wider than the lower portion, gas inlet means for supplying gas to the lower portion, the height of liquid being selectable such that, in use, liquid in the upper chamber portion circulates within the upper chamber portion as a result of the introduced gas and G = (H x A) / V is greater than 1.5, wherein A is the surface area of liquid in the vessel, H is the rise height of the gas and V the volume of liquid. |
