This study was carried out for evaluating stability and utility of expansion for sewage wastewater treatment plant throughout long term operation data of A<sub>2</sub>O + MBR hybrid process without additional expansion site. Due to the lac...
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https://www.riss.kr/link?id=A103105876
2017
-
500
KCI등재
학술저널
29-37(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
This study was carried out for evaluating stability and utility of expansion for sewage wastewater treatment plant throughout long term operation data of A<sub>2</sub>O + MBR hybrid process without additional expansion site. Due to the lac...
This study was carried out for evaluating stability and utility of expansion for sewage wastewater treatment plant throughout long term operation data of A<sub>2</sub>O + MBR hybrid process without additional expansion site. Due to the lack of capacity of the existing treatment facilities by the increase of the number of facilities & students in the treatment area, it was required to expand the existing treatment facilities without expanding the site. Therefore, the treatment facility was expanded through two stages. In the first stage, the membrane was immersed in the aeration tank of the existing treatment facility, and the capacity of the expanded MBR process are changed to 1,200 ㎥/d from 600㎥/d. In addition, in the second stage expansion, the untreated mixture of MLSS & influent in the MBR were separated by using the sedimentation basin not used at the first stage expansion, and the process was changed to the A<sub>2</sub>O + MBR hybrid process mixed & discharged with MBR treated water. The expanded sewage treatment facilities was operated from 2009 to 2015 and the treated water quality of the hybrid sewage treatment facilities has been stably operating such as BOD<sub>5</sub> 0.6mg/L, T-N 10.7mg/L, T-P 0.49mg/L, and SS 0.4mg/L. Due to characteristics of facilities installed in university, there are a lot of influent characteristics variation in season. Therefore, depending on influent load variation of the operating rate of hybrid process were changed. As a result, it could be able to reduce loading of membrane and operating expenses such as cleaning chemicals and electricity cost.
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옥수수속대(Corncob)를 이용한 수용액의 Cu(II) 제거
Mixture Analysis 통계법을 활용한 에탄올아민 제거용 복합흡착제 제조