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:
Jun. 08, 2010
Filed:
May. 25, 2007
Hong-bok Choi, Seoul, KR;
Jae-ki Lee, Seoul, KR;
Ju-hyung Park, Seoul, KR;
Eun-ju Choi, Seoul, KR;
Jeong-rae Kim, Seoul, KR;
Hong-Bok Choi, Seoul, KR;
Jae-Ki Lee, Seoul, KR;
Ju-Hyung Park, Seoul, KR;
Eun-Ju Choi, Seoul, KR;
Jeong-Rae Kim, Seoul, KR;
EcoDays Co. Ltd., Seoul, KR;
Abstract
An apparatus and method for treating wastewater are provided. The method for treating wastewater includes: a pre-treatment step of removing impurities contained in high concentration wastewater and crushing the impurities using a crusher; a first aerobic treatment step of supplying wastewater containing organic acids to a first aerobic tank and injecting air to the first aerobic tank to be aerobically treated; an anaerobic treatment step of supplying the wastewater, from which excess organic acids are removed by the aerobic treatment, to an anaerobic tank to be anaerobically treated; a degassing step of supplying the wastewater treated in the aerobic and anaerobic treatment steps to a degassing tank to remove air and gas; and a post-treatment step of precipitating the wastewater aerobically treated using a solid-liquid separation tank, a pressure floatation tank or a precipitation tank.