A method and equipment for cleaning waste water

Details A method and equipment for cleaning waste water A method and equipment for cleaning waste water

C - Chemistry, Metallurgy

02

F

C02F 1/52 (2006.01)

Patent

CA 2083538

The invention is concerned with a unique waste water tank or water treatment plant and a method to purify water. The plant has at least one sedimentation space for waste water limited by a wall. The wall of the sedimentation space is made, at least partly, of spirally coiled pipes. These, at least partly, act as flocculation pipes, at the same time providing structural stiffness. In one embodiment the waste water is mixed with a flocculent, and led through a long pipe to the sedimentation space. The waste water separates to form a sludge blanket on the bottom, and clarified water on the surface, which are removed from the space to maintain the liquid and sludge levels within predetermined limits. The waste water with the flocculent is led into the sedimentation space from beneath the sludge blanket while the clarified water is made to move through the sludge blanket.

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