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:
Sep. 11, 2012
Filed:
Feb. 11, 2009
Applicant:
IN Chung, Seoul, KR;
Inventor:
In Chung, Seoul, KR;
Assignee:
Entechs Co., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 25/26 (2006.01); C01B 25/28 (2006.01); C01B 25/34 (2006.01); C01B 25/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an efficient method of removing nitrogen and producing struvite from nitrogen-rich wastewater. Additionally, the present invention provides an economical method of removing nitrogen while producing a large quantity of struvite from nitrogen-rich wastewater with an appropriate usage of a solution containing phosphorus ion and a solution containing magnesium ion and/or calcium ion.