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Modelling and simulation of energy-saving potential of Sequential Batch Reactor (SBR) in the abatement of ammoniacal-nitrogen and organics

Ismail, Nur Faizah and Jami, Mohammed Saedi and Amosa, Mutiu K. and Muyibi, Suleyman Aremu (2014) Modelling and simulation of energy-saving potential of Sequential Batch Reactor (SBR) in the abatement of ammoniacal-nitrogen and organics. Journal of Pure and Applied Microbiology, 8 (Spl.1). pp. 809-814. ISSN 0973-7510

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Abstract

The ammonical nitrogen removal in discharged effluents from a typical sewerage treatment plant has not been consistent with the stringent discharge standards. There is the need to optimize the energy consumption as well as improve the ammonical nitrogen removal in the treatment plant. This study reports the investigation of the behaviour of process dynamicity of ammoniacalnitrogen (NH3-N) removal in a Sequencing Batch Reactor (SBR) through Activated Sludge Model No.1 (ASM1) and standard SBR design computation for optimal aeration time, while meeting the treatment requirements. Thestudy further evaluates the performance of NH3-N removal based on the data obtained from an existing SBR system. The time profile of process dynamics and the minimum required aeration time with maximum nitrogen removal was studied while taking into account the system’s energy consumption. Moreover, the simulation results by MATLAB Software suggested that the process dynamicity of the carbon and NH3-N concentration is 7 hour batch time with one fill and 1.5 hours aeration time. For computation of SBR standard design, the reduction from current 1.5 hours to 1.35 hours of aeration for 80% to 93% of NH3-N removal brought about the total energy saving of up to 10 percent.

Item Type: Article (Journal)
Additional Information: 5545/38343
Uncontrolled Keywords: Simulation, Sequential batch reactor, Aeration time, Energy, Ammoniacal-nitrogen, ASM1
Subjects: T Technology > TP Chemical technology > TP155 Chemical engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Associate Dr. Mohammed Saedi Jami, PhD CEng MIChemE
Date Deposited: 19 Sep 2014 16:32
Last Modified: 12 Jun 2018 11:17
URI: http://irep.iium.edu.my/id/eprint/38343

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