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.:
Date of Patent:
Jan. 28, 2025
Filed:
Feb. 10, 2020
Quanbao Zhao, Pullman, WA (US);
Stephen W. Dvorak, Chilton, WI (US);
Shulin Chen, Pullman, WA (US);
Craig Frear, Pullman, WA (US);
Bryan J. Vanloo, Lynden, WA (US);
Quanbao Zhao, Pullman, WA (US);
Stephen W. Dvorak, Chilton, WI (US);
Shulin Chen, Pullman, WA (US);
Craig Frear, Pullman, WA (US);
Bryan J. VanLoo, Lynden, WA (US);
DVO, Inc, Chilton, WI (US);
Washington State University, Pullman, WA (US);
Andgar Corporation, Everett, WA (US);
Abstract
Methods, systems, and apparatuses for anaerobic digestion of waste fibrous material and the recovery of nutrients are provided. Methods, systems, and apparatuses disclosed herein provide mechanisms to release dissolved gases from anaerobic digester effluent. Methods, systems and apparatuses disclosed herein can recover one or more nutrients from anaerobic digested effluent using a range of temperatures, aeration rates, aeration times, pH ranges, and settling times.