| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sewage treatment device which can surely treat sewage by preventing clogging of sludge. SOLUTION: In the sewage treatment device, two sheets of contact materials 5, 6 which are planar and have the same width as width of a treatment chamber are disposed at a sidewall surface 4 constituting respective purifying chambers 1A to 1R by assuring a water passage space 7 between the contact materials 5, 6 and microorganisms for adsorbing and decomposing organic substances and floating materials in the sewage are stuck to these contact materials 5, 6.</p> |
