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:
Feb. 23, 2021
Filed:
Aug. 30, 2019
Doosan Heavy Industries & Construction Co., Ltd., Changwon-si, KR;
Doosan Heavy Industries Construction Co., Ltd, Gyeongsangnam-do, KR;
Abstract
A water treatment apparatus for removing nitrogen in raw water and a water treatment method using the same are provided. The water treatment apparatus includes a denitrification reactor configured to remove nitrogen contained in raw water supplied thereto, a phosphorus treatment tank configured to remove phosphorus (P) contained in the raw water supplied from the denitrification reactor, an anammox reactor configured to remove nitrogen contained in the raw water supplied from the phosphorus treatment tank through an anammox reaction, a partial nitritation tank configured to convert ammonium ions (NH) remaining untreated in the anammox reaction into nitrite ions (NO), and a sedimentation tank configured to cause settling of suspended matter contained in the raw water supplied from the partial nitritation tank so that sludge forms and discharge the raw water through a raw water discharge pipe.