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:
Jun. 24, 2025

Filed:

May. 18, 2021
Applicants:

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

Institut National DE Recherche Pour L'agriculture, L'alimentation ET L'environnement, Paris, FR;

Inventors:

Aude Bertrandias, Paris, FR;

Ulysse Bremond, Paris, FR;

Jean-Philippe Steyer, Paris, FR;

Helene Carrere, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 1/00 (2023.01); C02F 11/04 (2006.01); C02F 11/12 (2019.01); C12M 1/00 (2006.01); C12M 1/107 (2006.01); C12P 5/02 (2006.01);
U.S. Cl.
CPC ...
C12P 5/023 (2013.01); C02F 11/04 (2013.01); C02F 11/12 (2013.01); C12M 21/04 (2013.01); C12M 23/36 (2013.01); C12M 23/58 (2013.01);
Abstract

Process for producing biogas from a digestate obtained from a digester, said process comprising a step of recovering the digestate at the outlet of a digester, a post-digester or a storage tank; a step of separating the digestate into a solid digestate and a liquid digestate; a step of introducing the solid digestate into at least one dosed tank; a step of anaerobic digestion in the tank with neither heating nor mixing; and a step of recovering the biogas at the tank outlet.


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