Publisher : The Korean Environmental Sciences Society
DOI : 10.5322/JES.2008.17.4.405
Title & Authors
Improvement of Operating Efficiency on Advanced Wastewater Plant Using Statistical Approach Moon, Kyung-Sook; Min, Kyung-Sub; Kim, Seung-Min; Lee, Chan-Hyung;
Statistical analysis technique was applied to operating parameters and removal efficiency data sets obtained from advanced wastewater treatment plant during 1 year. Through factor analysis three factors derived varimax rotation were selected each plant. Three components explained 96%, 87% of the total variance of the process, respectively. The components on Plant were identified in the following order : 1) Shortening the SRT during high-flow period, 2) Keeping biomass high on winter 3) factor was related to DO. On DNR plant, we defined them as follows: factor 1, Prolonged the SRT during high-flow period; factor 2 was related to sludge return; factor 3, Influent BOD during low-DO period. This technique was believed to assist operators in identifying priorities to improve operation efficiency.