| 单词 | sedimentation tank |
| 释义 | > as lemmassedimentation tank sedimentation tank n. a tank in which sewage is allowed to stand so that the solid matter in suspension may have time to settle. ΘΚΠ the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > sewage treatment > [noun] > apparatus for sewage treatment septic tank1896 percolating filter1901 contact bed1902 trickling filter1903 bacteria bed1913 sedimentation tank1920 septic1929 comminutor1939 1920 Glasgow Herald 3 Nov. 13 The sewage passes into a sedimentation tank designed so as to bring down in the form of sludge as much of the suspended solids as possible. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XII. 221/2 In some [sewage] treatment plants screenings are passed through a grinder and returned to the flow so that they will settle out in the sedimentation tank. < as lemmas |
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