| 摘要 |
<p>Plant contains loose material pref. earth, opt. mixed with turf, humus, garbage and aerating materials which are converted to humus through sprinkling, and which is treated by horizontally blowing through a blast of air, and sprinkled. Part of loose material at bottom of sprinkling installation is removed at set time intervals and returned to top end after sepg. humus constituents. Loose material pref. also consists of sufficiently small broken-up thin-walled metal waste or comminuted plastic bottles or other plastic pts. glas sscrap, ceramic waste and/or natural minerals, e.g. fine gravel or sand. Pref. installation comprises a double tower assembly of louvre board shutter walls enclosing the loose material, a means for sprinkling water and blast devices.</p> |
