| 摘要 |
PURPOSE:To provide the waste water treating device which can inexpensively purify the waste water from hotels, restaurants, etc., having relatively high BOD, COD, SS, etc. CONSTITUTION:This device has a water receiving tank (1) which receives the raw water of waste water, an aeration tank (2) which can make superconvectional aeration by fine bubbles, a reaction chamber (3) which subjects sludge to flotation in an acid or alkaline soln. then to neutralization and sends this sludge to the ensuing stage, a settling sepn. chamber (4) which separates the materials contained in the sludge by utilizing the sp. gr. differences, a treated water tank (5), a sand filter column (6), and a multistage type active carbon filter column (7). |
