| 摘要 |
PROBLEM TO BE SOLVED: To provide a combined type collection treatment system which realizes a combined type private sewage treatment system by effectively utilizing an existing single type private sewage treatment system. SOLUTION: The combined type collection treatment system 20 having a biological filter chamber 22 and a disinfection chamber 24 is connected to the downstream side of the single type private sewage treatment system 1 having an anaerobic treatment chamber 12 and a contact aeration chamber 4, by which the admission of night soil, kitchen waste water and laundering waste water into an inflow port 2 of the single type private sewage treatment system and the combined type collection treatment thereof are made possible.
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