| 摘要 |
<p>PURPOSE:To efficiently clean up waste water while waste liquid flows in a conduit by consisting the surface of a living thing bed net of grid materials on a base material, mounting such living thing bed net to the inside of a pipe conduit, etc., and propagating microorganisms generated naturally on the living thing bed net. CONSTITUTION:The surface of the living thing bed net 1 consisting of a soft material is constituted of the grid materials 3 on the base material 2 and such living thing bed net 1 is mounted to the inside of a pipe conduit or open conduit. The microorganisms generated naturally by the flowing-down waste water are propagated on the living thing bed net 1. The sewage is cleaned up in the process in which the waste water flows down in the conduit at a gravity flow rate. The sewage in the conduit having 110ppm BOD, 130ppm SS and 7pH is cleaned up to 80ppm BOD, 100ppm SS and 7.2pH as a result of using the above-mentioned device for treating the sewage flowing down for about 1km in the conduit.</p> |
