APID공정 내 공정진단을 위한 dynamic - 관리도의 적용Application of Dynamic - Control Chart for Advanced Phase Isolation Ditch (APID) Process
- Other Titles
- Application of Dynamic - Control Chart for Advanced Phase Isolation Ditch (APID) Process
- Authors
- 안상우; 곽성근; 정영욱; 정무근; 박재우
- Issue Date
- Sep-2009
- Publisher
- 한국물환경학회
- Keywords
- BNR; Dynamic control chart; Nitrogen; Phosphorous; Process management
- Citation
- 한국물환경학회지, v.25, no.5, pp.704 - 712
- Indexed
- KCI
- Journal Title
- 한국물환경학회지
- Volume
- 25
- Number
- 5
- Start Page
- 704
- End Page
- 712
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/176206
- ISSN
- 2289-0971
- Abstract
- Advanced Phase Isolation Ditch (APID) process was studied to develop economic retrofitting technology, for the plants where retrofitting of common activated sludge process is required. In this study, to evaluate and monitor the effluent water quality (BOD5, SS, T-N, and T-P) and operating conditions (Influent, SVI, SRT, and HRT) as process capable and stable parameters for treating municipal wastewater, a demonstration plant was installed and operated in the existing sewage treatment plant of P city. During this study, the average effluent BOD5, SS, T-N, and T-P concentrations were 7.7, 5.6, 10.8, and 1.6 mg/L. Trend analysis of influent BOD5, SS, T-N, and T-P in APID process were illustrated that APID process need for more strong APID process management on the winter session, such as developing new intermediated aeration mode, operating methods, and managements strategy. At the application of control chart, the signal of uncommon effects at APID process was determined much higher existing control chart tntr conventional control chart in this study. These results indicate that conventional control chart has been collected and determined cleary signal at only stable situation. Therefore, newly developed APID process of dynamic control chart can be one of the useful tool for monitoring and management process.
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