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논문 기본 정보

자료유형
학술대회자료
저자정보
Min Han Kim (Kyung Hee University) Chang Kyoo Yoo (Kyung Hee University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2008
발행연도
2008.10
수록면
2,604 - 2,609 (6page)

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초록· 키워드

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A systematic approach is proposed to find optimal operational conditions for nitrogen and phosphorus (N, P) removal in a biological nutrient removal processes, which is the dual optimization strategy through modeling, variable selection, design of experiments, and optimization using multiple response surface methodology. It is focused on determining the interactive effects between independent variables for N and P removal, which are selected through a new sensitivity analysis for considering the effluent quality index. After selecting key operational variables, multi-response surface model based on a new desirability function is used for the dual optimization of N and P removal. Because the proposed method is a multi-response model which is the suitable methods to optimize the operational conditions in a process, it can simultaneously optimize the biological process in the aspect of N and P removal efficiency. The proposed method is applied to a standard A2O process. The model-based optimization results in 78.0% and 80.0% removal efficiencies of N and P removal with the optimal process conditions, where are internal recycle flowrate of 3,850 g/m3, dissolved oxygen (DO) concentration of 1.0 mg/l, and wasted sludge rate of 27.5 g/m<SUP>3</SUP>, respectively. The dual optimization suggests to maximize simultaneous nitrification and denitrification (SND) in A2O system. This study confirms that the proposed dual optimization method is useful to systematically optimize the N and P removal in any biological nutrient removal process.

목차

Abstract
1. INTRODUCTION
2. THEORY
3. MATERIALS AND METHODS
4. RESULTS AND DISCUSSIONS
5. CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2014-569-000977601