Kinetic modeling of organic and nitrogen removal from domestic wastewater in a down-flow hanging sponge bioreactor

被引：13
|
作者：
Dinh Thi Nga [1 ]
Nguyen Trung Hiep [2 ]
Nguyen Tri Quang Hung [2 ]
机构：
[1] Hochiminh City Univ Nat Resources & Environm, Res Inst Sustainable Dev, Ho Chi Minh City, Vietnam
[2] Nong Lam Univ Hochiminh City, Fac Environm & Nat Resources, Ho Chi Minh City, Vietnam
来源：
ENVIRONMENTAL ENGINEERING RESEARCH | 2020年 / 25卷 / 02期
关键词：
Domestic wastewater; Down-flow hanging sponge; Kinetic modelling; Removal efficiency; Stover-Kincannon model; SEQUENCING BATCH REACTOR; ACTIVATED-SLUDGE PROCESS; BED BIOFILM REACTOR; PERFORMANCE EVALUATION; ANAEROBIC SLUDGE; FACTORIAL DESIGN; UASB REACTOR; DHS SYSTEM; BIODEGRADATION; OPTIMIZATION;
D O I：
10.4491/eer.2018.390
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A down-flow hanging sponge (DHS) bioreactor was operated for the treatment of domestic wastewater. The Stover-Kmcannon model was applied for kinetic evaluation of the reactor performance during the operational period. As a result, the coefficient of determination (R-2) for straight lines of effluent concentration from the experimental data and from the predictive data of BOD5; NH4+ -N; and TN were 0.9727; 0.9883; and 0.9934, respectively. The calculation of saturation value constant (Umax - g L-1 d(-1)) and maximum utilization rate constant (KB - g L-1 d-1) were 56.818 and 75.034 for BOD5; 2.960 and 4.713 for NH4+ -N; 2.810 and 8.37 for TN, respectively. The study suggests that Stover-Kincannon model can be used for effective evaluation of kinetic removal of BOD5; NH4+-N; and TN from domestic wastewater treated in a DHS bioreactor.
引用
收藏
页码：243 / 250
页数：8
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