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:
Jul. 15, 2025

Filed:

Dec. 31, 2020
Applicants:

The Texas A&m University System, College Station, TX (US);

Chevron U.s.a. Inc., Richmond, CA (US);

Inventors:

Suresh D. Pillai, College Station, TX (US);

David Staack, College Station, TX (US);

John Lassalle, College Station, TX (US);

Thomas Hoelen, Berkeley, CA (US);

Paul Bireta, Houston, TX (US);

Assignees:

The Texas A&M University System, College Station, TX (US);

Chevron U.S.A. Inc., Richmond, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 9/00 (2023.01); C02F 1/30 (2023.01); C02F 11/04 (2006.01); C02F 11/123 (2019.01); C02F 11/13 (2019.01); C02F 101/36 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); C02F 1/305 (2013.01); C02F 11/04 (2013.01); C02F 11/123 (2013.01); C02F 11/13 (2019.01); C02F 2101/36 (2013.01);
Abstract

A method of waste treatment includes treating partially-dewatered matrix with a first electron-beam radiation dose. The treated partially-dewatered matrix is transferred to a digester where the treated partially-dewatered matrix is subjected to anaerobic digestion. Biogas is recovered from the treated partially-dewatered matrix during the anaerobic digestion. The treated partially-dewatered matrix is dried and subjected to a second electron-beam radiation dose.


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