| 单词 | activated-sludge process |
| 释义 | activated-sludge process [`ak·tǝ´vād·ǝd ´slǝj `prä´sǝs] CIVIL ENGINEERING A sewage treatment process in which the sludge in the secondary stage is put into aeration tanks to facilitate aerobic decomposition by microorganisms; the sludge and supernatant liquor are separated in a settling tank; the supernatant liquor or effluent is further treated by chlorination or oxidation. |
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