A covered receptacle in which the solid components of sewage are retained and allowed to undergo decomposition by anaerobic bacteria. Also as a…
单词 | θ61669 |
释义 | the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > sewage treatment > [noun] > apparatus for sewage treatment (10) septic tank1896 A covered receptacle in which the solid components of sewage are retained and allowed to undergo decomposition by anaerobic bacteria. Also as a… percolating filter1901 a type of filter used in the treatment of sewage, usually after the removal of suspended solids, consisting of a bed of inert, porous material such… contact bed1902 a tank containing porous material through which sewage is filtered in order that contact with the bacterial organisms and atmospheric oxygen in… trickling filter1903 = percolating filter n. at percolating, n. compounds. bacteria bed1913 a contact bed (see contact, n. compounds 2). sedimentation tank1920 a tank in which sewage is allowed to stand so that the solid matter in suspension may have time to settle. septic1929 Originally Australian. Now also North American. In elliptical use. A septic tank (septic tank, n. 1); a wastewater system incorporating a septic tank. comminutor1939 A device for reducing the size of solid particles in sewage, consisting of a vertical slotted metal drum that rotates against one or more fixed… Subcategories:— test of suitability for septic tank (2) |
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