Kinetics study of nutrients removal from synthetic wastewater using media as submerged in continuous activated sludge system

Kinetics study of nutrients removal from synthetic wastewater using media as submerged in continuous activated sludge system

BAKER NASSER Saleh Al-dhawi, SHAMSUL RAHMAN Mohamed Kutty, LAVANİA Baloo, AHMED HUSAİNİ Jagaba, AIBAN ABDULHAKIM Saeed Ghaleb, NAJİB MOHAMMED Yahya Almahbashi, VİCKY Kumar, AZMATULLAH Noor, ANWAR AMEEN Hezam Saeed, AL-BARAA Abdulrahman Al-Mekhlafi, YASER ABDULWAHAB Ali Alsaeedi

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Abstract. Domestic wastewater effluents are one of the main sources of environmental contaminants such as nutrients. Wastewater has been treated with biological processes for over a century to remove contaminants. Conventional wastewater treatment plants continue to struggle to meet Malaysian discharge limits. Stringent regulation enforced by governing authorities makes it obligatory to comply with discharge guidelines to fulfill ammonia and nitrate levels. To assist the system in meeting these limits, it is recommended that a submerged attached growth Palm Oil Clinker (POC) can be incorporated into the conventional treatment system. The study was conducted in a continuous submerged attach growth conventional activated sludge which was evaluated for the treatment of wastewater (CSAR). A basket was installed in the aeration tank of the reactor to submerge (POC). Two identical reactors were operated for each reactor of study which (A) was referred to as submerged media reactor while (B) was referred to as control. The studies were carried out at various influent flow rates between 5 and 30 L/d, and constant organic load rate OLR. Parameters such as NH4-N, and NO3-N, were monitored. Generally, Ammonia and Nitrate were highly removed. At all conditions of flow rate (5-30 L/d), the maximum and minimum NH4-N removal is 92% and 85%. The experimental data were validated through well-established mathematical bio-kinetic models such as the First order model, and Monod models. The kinetic coefficients R2 of the first-order model of the substrate removal rate were 0.97 for Ammonia. The steady-state data was fitted to both models obtained at various flowrate. Monod’s kinetic model was appropriate for describing experimental results in terms of microbial growth parameters. The kinetic coefficients R2 (0.984) and Ks 303 for the removal of Ammonia, respectively. While µmax 10 g/L.d for Ammonia removal respectively.

Kinetic, Nutrients, Synthetic wastewater, Palm Oil Clinker, Submerged, Continuous Flow

Published online 5/20/2023, 11 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: BAKER NASSER Saleh Al-dhawi, SHAMSUL RAHMAN Mohamed Kutty, LAVANİA Baloo, AHMED HUSAİNİ Jagaba, AIBAN ABDULHAKIM Saeed Ghaleb, NAJİB MOHAMMED Yahya Almahbashi, VİCKY Kumar, AZMATULLAH Noor, ANWAR AMEEN Hezam Saeed, AL-BARAA Abdulrahman Al-Mekhlafi, YASER ABDULWAHAB Ali Alsaeedi, Kinetics study of nutrients removal from synthetic wastewater using media as submerged in continuous activated sludge system, Materials Research Proceedings, Vol. 29, pp 87-97, 2023


The article was published as article 12 of the book Sustainable Processes and Clean Energy Transition

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