| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a circulation type washing treatment device capable of easily realizing conversion of a collecting type toilet into a flush toilet as an economical individual septic tank in such a zone that public sewageworks are not kept in a good state. SOLUTION: A circulation type washing treatment device is equipped with an inlet aeration tank 2 having an inlet watercourse 1 and a bio-aeration tank 3 carrying wooden thin pieces having microbes obtained from soil thereinto. A first sedimentation tank 5 in the downstream of the bio-aeration tank, a bio-contact aeration tank 7 earrying wooden thin pieces having microbes obtained from soil and contact members thereinto, a second sedimentation tank 8 connected thereto, an SS separation tank 9 for separating a suspended solid and a storage tank 10 aerated with ozone are incorporated thereinto.</p> |
