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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.

Patent No.:

US 12503381 B1

PDFFull Text
Date of Patent:
Dec. 23, 2025

Filed:

Mar. 23, 2021

Method for optimizing the energy consumption of an aerator in the field of water treatment

Applicant:

L'air Liquide, Société Anonyme Pour L'etude ET L'exploitation Des Procédés Georges Claude, Paris, FR;

Inventors:

Bruno Alban, Verrières le Buisson, FR;

Philippe Campo, Montigny le Bretonneux, FR;

Frederic Goulas, Gron, FR;

Fabrice Bouquin, Guyancourt, FR;

Guillaume Beaudoin, Guyancourt, FR;

Assignee:

L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés George Claude, Paris, FR;

Attorney:

Yan Jiang

Primary Examiner:

Chester T Barry

Int. Cl.
CPC ...
C02F 3/26 (2023.01); B01F 23/234 (2022.01); B01F 27/71 (2022.01); B01F 27/91 (2022.01); C02F 3/12 (2023.01); C02F 3/16 (2023.01); B01F 23/237 (2022.01); B01F 101/00 (2022.01);
U.S. Cl.
CPC ...
C02F 3/26 (2013.01); B01F 23/2342 (2022.01); B01F 23/234211 (2022.01); B01F 27/71 (2022.01); B01F 27/91 (2022.01); C02F 3/1284 (2013.01); C02F 3/16 (2013.01); B01F 23/237612 (2022.01); B01F 2101/305 (2022.01); B01F 2215/0481 (2013.01);
Abstract

Disclosed is a method for managing the operation of an apparatus for injecting oxygen into a purification basin. The oxygen notably being used by the biomass present in the purification basin to consume the pollution present in an effluent feedstock contained in the basin. The method comprises varying a rotational speed of the shaft by using a frequency variator, wherein an applied variation in speed is between plus 15% and minus 15% of the nominal speed of the shaft.

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