| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the subject water cleaning apparatus for removing manganese and iron contained in water to clean ground water or water of an aquarium, a breeding basin, a fresh water lake or rivers. SOLUTION: This water cleaning apparatus Sj includes a sedimentation tank 2 for sedimenting and removing sludge, or the like, from water Wi to be treated, a cleaning tank 7 connected to the sedimentation tank 2 through a second pipe 4, a first valve 5 and a third pipe 6, a cleaning apparatus Sw constituted of artificial algae Gj comprising a large number of elongated ribbon- like thalluses and carbon fibers C arranged in the cleaning tank 7 and a plurality of air pipes 9 which have a large number of pores provided to the pipe walls thereof, arranged under the artificial algae Gj and a bacteria tank 20 for making cleaning bacteria 22, 23 adhere to the artificial algae Gj and the carbon fibers C.</p> |
