The performance of extracellular polymeric substance (EPS) on stability of Aerobic granular sludge (AGS)

• Autorzy: Na Hamiruddin , Na Awang , Mg Shaaban

Identyfikatory

DOI

10.2478/ceer-2019-0024

• Języki publikacji: EN

Abstrakty

EN

Various article which indicating the Aerobic granular sludge (AGS) instability, particularly in prolonged phase operating duration become a significant obstacle to its implementation. Generally, prolonged the operation period will lost its stability that can degrade performance effectiveness. As AGS stabilization in hydrodynamic shear force and resisting mass transfer resistance within the reactor generally defined or evaluated by microbial community, bioactivity, extracellular polymeric substance (EPS) structure and granular aspect. The aim of this research in order to illustrate the EPS formation on AGS which is preserved at 4°C in sequencing batch reactor (SBR) by sewage for eight months. The effective of granulation method and redevelopment of AGS stability by particular pressure produced with several hydrodynamic shear force and mass transfer resistance which controlled by low organic loading rate (OLR) between 0.26 and 0.81 kg CODs/m³ d with 1.33 cm/s of superficial air velocity (SAV). The confocal laser scanning microscope (CLSM), Fourier transform infrared (FTIR), and energy dispersive X-ray spectrometer (EDX) were implemented to notice the evolution in composition of EPS that revealed the intermolecular interaction helped the aerobic granule stability as seed to achieved the performance of EPS on stability of AGS.

Słowa kluczowe

EN

aerobic granular sludge; AGS; extracellular polymeric substance; EPS; stability

PL

osad granulowany; AGS; substancja polimerowa; EPS; stabilność

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: Civil and Environmental Engineering Reports
• Rocznik: 2019
• Tom: Vol. 29, no. 3
• Strony: 60--69
• Opis fizyczny: Bibliogr. 23 poz., rys., wykr.

Twórcy

autor

Na Hamiruddin

• Universiti Sains Malaysia, School of Civil Engineering, Engineering Campus, Pulau Pinang, Malaysia

autor

Na Awang

• Universiti Sains Malaysia, School of Civil Engineering, Engineering Campus, Pulau Pinang, Malaysia
• University of Malaya, Department of Civil Engineering Faculty of Engineering, Kuala Lumpur, Malaysia

autor

Mg Shaaban

• University of Malaya, Department of Civil Engineering Faculty of Engineering, Kuala Lumpur, Malaysia

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019)