| 摘要 |
<p>PURPOSE:To provide a treatment tank suppressing the generation of algae and suitable for high-degree water treatment facilities. CONSTITUTION:Attaching jigs 4 composed of support plates 65, 66 are appropriately fixed to the beam materials stretched over a treatment tank storing water 3 to be treated at a definite interval and provided with rod-shaped hangers 5 for attaching contact materials for biological membranes having purifying bacteria grown thereon and lid materials 7 made of a synthetic resin having green light perviousness are attached to the beam materials 6 through the support rods 68, 68 attached to the support plates 65, 66 to constitute the treatment tank 1 covered with the lid materials 7.</p> |
