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:
Apr. 30, 2024
Filed:
Dec. 05, 2023
Applicant:
King Faisal University, Al Hasa, SA;
Inventors:
Muhammad Aamir, Al Hasa, SA;
Muhammad Hassan, Al Hasa, SA;
Assignee:
KING FAISAL UNIVERSITY, Al Hasa, SA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C05B 17/00 (2006.01);
U.S. Cl.
CPC ...
C05B 17/00 (2013.01);
Abstract
A method of enhancing nitrogen and phosphate fertilizer recovery and, particularly, to using sewage sludge and corn stover to enhance nitrogen and phosphate fertilizer recovery. The methods can further use ferric chloride as a catalyst to further enhance nitrogen recovery. The fertilizer can be produced by hydrothermally carbonizing a mixture including about 20% of sewage sludge and about 30% of corn stover.