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준 경험 생물막 모델(Semi-Empirical Biofilm Model)을 이용한 BAF 운전평가 및 적정 운전방안 도출A Study on Performance Estimation and Operation Strategy of Biological Aerated Filter Using Semi-Empirical Biofilm Model

Other Titles
A Study on Performance Estimation and Operation Strategy of Biological Aerated Filter Using Semi-Empirical Biofilm Model
Authors
유광태김종락윤주환황호재이한샘김성표
Issue Date
2014
Publisher
한국물환경학회
Keywords
Biological aerated filter; semi-empirical biofilm model; simulation; wastewater treatment
Citation
한국물환경학회지, v.30, no.3, pp.269 - 282
Indexed
KCI
Journal Title
한국물환경학회지
Volume
30
Number
3
Start Page
269
End Page
282
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/99785
ISSN
2289-0971
Abstract
The objective of this study is to find out whether the developed semi-empirical biofilm model can be applicable to real BAF pilot-scale wastewater treatment. In addition, the optimum operating conditions of BAF as a function of process variables such as organic loading change can be drawn based on the simulation results of model. The results will provide the economic and efficient BAF process design and operating control. As a result, developed semi-empirical biofilm model which is relatively simple compared to mathematical model can simulate three BAF processes consisted of 25 layers within 1 seconds. When this model was used for simulating real pilot scale BAF process and the simulated water quality values were compared to experimental ones, simulated TCOD, SCOD, TN, NH4 +-N, NOx --N, alkalinity values were different to experimental ones within 21%, 20%, 8.1%, 48%, 10%, and 23%, respectively. Therefore, if the BAF system was equipped with automatic control, the BAF process can be better efficiently adapted under the condition of significant change of influent loading.
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College of Science and Technology > Department of Environmental Engineering > 1. Journal Articles
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