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Performance of Ultrasonic Membrane Anaerobic System (UMAS) in Membrane Fouling Control

Nour, A. H. and Azhari, H. Nour (2013) Performance of Ultrasonic Membrane Anaerobic System (UMAS) in Membrane Fouling Control. International Journal of Engineering Science and Innovative Technology (IJESIT), 2 (6). pp. 480-491. ISSN 2319-5967

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The primary objective of this study was to evaluate the effects of the organic loading rate (OLR) on the performance of an ultrasonic-assisted membrane anaerobic system (UAMAS) treating Palm Oil Mill Effluent (POME), based on the following indicators: (i) methane gas contents, (ii) chemical oxygen demand (COD) removal efficiency, and (iii) effluent variability (phenol, suspended solids, volatile fatty acids, and pH stability).Six steady states were attained as a part of a kinetic study that considered concentration ranges of 15,830 to 21,600 mg/l for mixed liquor suspended solids (MLSS) and 9,450 to 18,200 mg/l for mixed liquor volatile suspended solids (MLVSS). Kinetic equations from Monod, Contois and Chen & Hashimoto were employed to describe the kinetics of POME treatment at organic loading rates ranging from 0.5 to 15 kg COD/m3/d. The removal efficiency of COD was from 93 to 98.7 % with a hydraulic retention time (HRT) of 4 days. The growth yield coefficient, Y, was found to be 0.59 g VSS/g COD, the specific microorganism decay rate was 0.26 d-1, and the methane gas yield production rate was between 0.264 l/g COD/d and 0.47 l/g COD/d.

Item Type: Article
Uncontrolled Keywords: COD reduction, kinetics, organic loading rate, POME, UAMAS
Subjects: Q Science > Q Science (General)
T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Faculty of Industrial Sciences And Technology
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 16 May 2016 07:39
Last Modified: 24 Jan 2018 03:47
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