Method and plant for the treatment of an aqueous waste stream

Details Method and plant for the treatment of an aqueous waste stream Method and plant for the treatment of an aqueous waste stream

2011-07-19

2011-07-19

Prince, Fred (Department: 1776)

Liquid purification or separation

Processes

Treatment by living organism

Reexamination Certificate

active

07981291

ABSTRACT:
The invention relates to a method for the treatment of an aqueous waste stream, wherein: (a) an aqueous waste stream is separated into an effluent and waste sludge; and (b) the waste sludge is converted into predated waste sludge in a predation reactor, the predation reactor including a support comprising worms and the waste sludge being fed past the support comprising worms. The invention further relates to an plant in which the method may be carried out, in particular to an plant for the treatment of an aqueous waste stream that comprises a predation reactor having a support comprising worms, wherein the predation reactor has two compartments that are separated by the support comprising worms.

REFERENCES:
patent: 3635816 (1972-01-01), Golub
patent: 6517723 (2003-02-01), Daigger et al.
patent: 2005/0006304 (2005-01-01), Ames et al.
patent: 0999194 (2000-05-01), None
patent: 960203 (1997-09-01), None
patent: 01-206937 (1989-08-01), None
patent: WO 2005016833 (2005-02-01), None
Martin, P. et al., “Global diversity of oligochaetous clitrllates (Oligochaeta; Clitellata) in freshwater,”Hydrobiologia595:117-127 (2008).

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