| 摘要 |
A method and an apparatus for purification of waste water and other liquids by means of a known flocculent like lime, aluminum chloride, ferrous sulphate, ferrous chloride etc., whereby waste water or another liquid is continuously and under a turbulent movement mixed with a flocculent in a mixing chamber (13) from which the flocculent/water mixture is continuously transferred to one or several flocculation chambers (14-16), connected in series with each other, in which the flocculent/water mixture is continuously stirred and is allowed to stay for a predetermined period of time, during which flocks of nutrient salts, biochemically oxygen consuming substances and other water soluble ingredients of the water are precipitated in the form of flocks, whereupon the liquid with the flocks is drained to a sedimentation unit (1), in which the relatively heavy flocks and other heavy substances are allowed to sink to the bottom, from which they are removed as known per se, whereas the purified liquid of the sedimentation basin (1) is continuously let out to a recipient. |
