| 摘要 |
<p>1,088,218. Aerating liquids. FMC CORPORATION. July 19, 1966 [Aug. 23, 1965], No. 32311/66. Heading B1C. A diffuser 25 for aerating sewage and other liquids has an elongated air chamber with discharge outlets 30 overhanging which is an obstruction - as shown, a plate 31 - which promotes turbulence and increases bubble break-up and air/liquid contact time.</p> |
