Patent ID: 6932905
Filing Date: 2005-08-23
Classification: C02F

Abstract:
1. Apparatus for water treatment comprising: an inlet for waste water to be treated; a mixing tube assembly for receiving the waste water from the inlet and through which the waste water passes to an outlet of the mixing tube assembly for mixing into the waste water a plurality of chemicals for causing flocculation of contaminants in the waste water; and a separating chamber connected to the outlet of the mixing tube assembly for receiving the waste water and the chemicals mixed therein for separating the flocculated contaminants and for supplying clarified water at an outlet of the separating chamber, said separating chamber comprising an inclined perforated screen with a water supply system at the top edge of the screen for receiving water and contaminants from the mixing chamber and supplying them across the screen for flowing over the screen, a sludge collecting tank at a bottom edge of the screen and a water collection tank underneath the screen for collecting water passing through the screen; wherein the mixing tube assembly comprises: