Immersion type membrane module unit and membrane separation activated sludge treatment device

摘要

The submerged membrane module unit includes a submerged membrane module (2) for membrane separation activated sludge filtration, an extension wall (27) extending from the lower end of the membrane module and surrounding the space below the membrane module (2), A membrane aeration device (8) having a plurality of aeration holes arranged in the lower part or near the lower part of the space, and an extension wall (between the separation membranes of the membrane module (2)) 27) guide air bubbles from each air diffuser hole.