Dynamic Estimation of Settling Basin Performance

by Sadataka Shiba, (A.M.ASCE), Research Assoc.; Dept. of Chemical Engrg., Osaka Univ., Machikaneyama, Toyonaka, Osaka, Japan,
Yasuyo Ueda, Consulting Engr.; Nippon Suido Consultants Co., Manzaicho, Kita-ku, Osaka, Japan,
Yoriteru Inoue, Prof.; Dept. of San Engrg., Kyoto Univ., Yoshidahonmachi, Sakyo-ku, Japan,

Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 6, Pg. 1113-1129

Document Type: Journal Paper


A dynamic parameter estimation method for the settling basin model is brought out on the assumption that a continuous-valued time-varying parameter can be approximated with a sequence of discrete-valued time-invariant parameters by dividing a time interval into short subintervals in which the parameter is allowed to be time-invariant. Employing test data, the model parameter and the effluent concentration are calculated to confirm the applicability of the method. The method is also applied to the primary settling basins in a municipal wastewater treatment facility to determine its practicability. The calculated results with both the test and plant scale data show that this method is a useful tool for the dynamic prediction of the effluent sediment concentration of settling basins.

Subject Headings: Parameters (statistics) | Settling basins | Effluents | Municipal wastewater | Dynamic models | Hydrologic models | Field tests | Wastewater treatment

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