| 摘要 |
<p>PCT No. PCT/AT86/00029 Sec. 371 Date Dec. 4, 1986 Sec. 102(e) Date Dec. 4, 1986 PCT Filed Apr. 9, 1986 PCT Pub. No. WO86/06060 PCT Pub. Date Oct. 23, 1986.For the purpose of introducing or removing gases into liquids or out of liquids, in particular substrates being subject to a biological conversion, rotating plates (3) are immersed into the liquid phase. The plates (3) are rotatably arranged within a tubular receptacle (1) and arranged in at least one axial section such that they alternately include with the axis (2) of rotation extending in parallel relation to the liquid level an angle of more and less than 90 DEG . Shut-off valves (9) for the gas supply conduit and for the gas discharge conduit are connected to the tubular container (1). The plates (3) are provided with a rough surface and are preferably formed of a porous, in particular foamed, material, wire mesh, wire grating or expanded metal sheet. (FIG.</p> |
