The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 29, 2017

Filed:

Oct. 10, 2013
Applicant:

Suez Environnement, Paris la Defense, FR;

Inventors:

Gilles Carrand, Sartrouville, FR;

Chrystelle Langlais, Le Pecq, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/24 (2006.01); B01D 21/30 (2006.01); B01D 21/34 (2006.01); C02F 11/00 (2006.01);
U.S. Cl.
CPC ...
B01D 21/24 (2013.01); B01D 21/245 (2013.01); B01D 21/2427 (2013.01); B01D 21/307 (2013.01); B01D 21/34 (2013.01); C02F 11/00 (2013.01);
Abstract

Apparatus for clarifying a sludge-containing effluent, comprising a clarification basin (), at least one arm () able to move over the upper surface of the liquid in the basin; at least one trough () supported by the arm so that it can be immersed over part of its height in the liquid of the basin, suction tubes (T, T) held relative to the trough, each tube comprising at the top a vertically adjustable sleeve (B, B) opening into the trough, and a means of removing sludge from the trough; the sleeve (B, B) of at least one suction tube (T, T) is free to slide vertically relative to the mobile arm () supporting the trough, and to the tube (T, T) and a reserve of buoyancy necessary and sufficient for keeping the overspill end (E, E) of the sleeve in the trough () continuously out of the water is installed on the sleeve (B, B) so that the overspill level of the sleeve adjusts automatically in relation to the level () of liquid and sludge in the trough.


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