Sludge flocculator-separator for the physico-chemical...

Details Sludge flocculator-separator for the physico-chemical... Sludge flocculator-separator for the physico-chemical...

2006-01-31

2009-10-13

Smith, Duane (Department: 1797)

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

C210S205000, C210S199000, C210S203000, C210S220000

Reexamination Certificate

active

07601261

ABSTRACT:
The water to treat is received in a chamber (1) with a rapid mixer and from there it passes to a second chamber for coagulation (3) and from that to a third chamber for flocculation (4) where it is mixed with certain coagulating reagents. It then enters a separator (7) provided with some filtering membranes (5) where it is clarified. In the separator (7) there are some air nozzles (6) which sweep the surface of the said filtering membranes (5), some inlet nozzles (8) for floccules coming from the coagulation-flocculation and other air outlet nozzles (6) for distribution of said floccules underneath the membrane (5).

REFERENCES:
patent: 4927543 (1990-05-01), Bablon et al.
patent: 6010631 (2000-01-01), Delsalle et al.
patent: 6228267 (2001-05-01), Yamasaki et al.
patent: 6423228 (2002-07-01), Yamasaki et al.
patent: 6447686 (2002-09-01), Choi et al.
patent: 7083715 (2006-08-01), Binot

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