Evaluation and Optimization of Sewage Treatment Plant (STP): Analyzing the issues of A Conventional Activated Sludge Treatment Plant

 
9783659263071: Evaluation and Optimization of Sewage Treatment Plant (STP): Analyzing the issues of A Conventional Activated Sludge Treatment Plant
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In this study, the performance of full scale domestic wastewater treatment plant was evaluated. The regularly monitored parameters included total suspended solids (TSS), mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), biological oxygen demand (BOD), and chemical oxygen demand (COD). It was found that the biological degradation efficiency of the plant was below the desired levels in terms of COD and BOD. Also the plant operators were not maintaining consistent sludge retention time (SRT). Abrupt discharge of MLSS through the Surplus Activated sludge (SAS) pump was the main reason for the low MLSS in the aeration tank and consequently low treatment performance. The WWTP was operated and optimized at three different SRTs of 12d, 8d and 7d based on desired MLSS concentration and required performance in terms of BOD, COD and TSS. Maximum removal efficiency of these parameters was found to be at 7d SRT. A steady state modelling of plant was done by the simulation software Aquifas+. This study revealed that SRT is a very important operational parameter and its knowledge and its correct implementation by the plant operators should be mandatory.

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Syeda Sumaira Fatima earned a Bachelor’s degree in Civil Engineering from NED University Karachi and a Master of Science in Environmental Engineering from National University of Sciences and Technology (NUST), Islamabad, Pakistan. She is presently working in a private sector organization. She is a member of Pakistan Engineering Council (PEC).

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Fatima, Syeda Sumaira / Khan, Sher Jamal
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Book Description Condition: New. Publisher/Verlag: LAP Lambert Academic Publishing | Analyzing the issues of A Conventional Activated Sludge Treatment Plant | In this study, the performance of full scale domestic wastewater treatment plant was evaluated. The regularly monitored parameters included total suspended solids (TSS), mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), biological oxygen demand (BOD), and chemical oxygen demand (COD). It was found that the biological degradation efficiency of the plant was below the desired levels in terms of COD and BOD. Also the plant operators were not maintaining consistent sludge retention time (SRT). Abrupt discharge of MLSS through the Surplus Activated sludge (SAS) pump was the main reason for the low MLSS in the aeration tank and consequently low treatment performance. The WWTP was operated and optimized at three different SRTs of 12d, 8d and 7d based on desired MLSS concentration and required performance in terms of BOD, COD and TSS. Maximum removal efficiency of these parameters was found to be at 7d SRT. A steady state modelling of plant was done by the simulation software Aquifas+. This study revealed that SRT is a very important operational parameter and its knowledge and its correct implementation by the plant operators should be mandatory. | Format: Paperback | Language/Sprache: english | 88 pp. Seller Inventory # K9783659263071

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Book Description LAP Lambert Academic Publishing. Taschenbuch. Condition: Neu. Neuware - In this study, the performance of full scale domestic wastewater treatment plant was evaluated. The regularly monitored parameters included total suspended solids (TSS), mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), biological oxygen demand (BOD), and chemical oxygen demand (COD). It was found that the biological degradation efficiency of the plant was below the desired levels in terms of COD and BOD. Also the plant operators were not maintaining consistent sludge retention time (SRT). Abrupt discharge of MLSS through the Surplus Activated sludge (SAS) pump was the main reason for the low MLSS in the aeration tank and consequently low treatment performance. The WWTP was operated and optimized at three different SRTs of 12d, 8d and 7d based on desired MLSS concentration and required performance in terms of BOD, COD and TSS. Maximum removal efficiency of these parameters was found to be at 7d SRT. A steady state modelling of plant was done by the simulation software Aquifas+. This study revealed that SRT is a very important operational parameter and its knowledge and its correct implementation by the plant operators should be mandatory. 88 pp. Englisch. Seller Inventory # 9783659263071

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Syeda Sumaira Fatima
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Book Description LAP Lambert Academic Publishing. Taschenbuch. Condition: Neu. Neuware - In this study, the performance of full scale domestic wastewater treatment plant was evaluated. The regularly monitored parameters included total suspended solids (TSS), mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), biological oxygen demand (BOD), and chemical oxygen demand (COD). It was found that the biological degradation efficiency of the plant was below the desired levels in terms of COD and BOD. Also the plant operators were not maintaining consistent sludge retention time (SRT). Abrupt discharge of MLSS through the Surplus Activated sludge (SAS) pump was the main reason for the low MLSS in the aeration tank and consequently low treatment performance. The WWTP was operated and optimized at three different SRTs of 12d, 8d and 7d based on desired MLSS concentration and required performance in terms of BOD, COD and TSS. Maximum removal efficiency of these parameters was found to be at 7d SRT. A steady state modelling of plant was done by the simulation software Aquifas+. This study revealed that SRT is a very important operational parameter and its knowledge and its correct implementation by the plant operators should be mandatory. 88 pp. Englisch. Seller Inventory # 9783659263071

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Syeda Sumaira Fatima, Sher Jamal Khan
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Book Description LAP Lambert Academic Publishing, 2012. Paperback. Condition: New. Language: English . Brand New Book. In this study, the performance of full scale domestic wastewater treatment plant was evaluated. The regularly monitored parameters included total suspended solids (TSS), mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), biological oxygen demand (BOD), and chemical oxygen demand (COD). It was found that the biological degradation efficiency of the plant was below the desired levels in terms of COD and BOD. Also the plant operators were not maintaining consistent sludge retention time (SRT). Abrupt discharge of MLSS through the Surplus Activated sludge (SAS) pump was the main reason for the low MLSS in the aeration tank and consequently low treatment performance. The WWTP was operated and optimized at three different SRTs of 12d, 8d and 7d based on desired MLSS concentration and required performance in terms of BOD, COD and TSS. Maximum removal efficiency of these parameters was found to be at 7d SRT. A steady state modelling of plant was done by the simulation software Aquifas+. This study revealed that SRT is a very important operational parameter and its knowledge and its correct implementation by the plant operators should be mandatory. Seller Inventory # KNV9783659263071

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