Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61367
Title: Modeling the performance of an anaerobic baffled reactor with the variation of hydraulic retention time
Authors: Li, J
Shi, E
Antwi, P
Leu, SY 
Keywords: ADM1
Anaerobic baffled reactor (ABR)
Biomass retention
Liquid-gas transfer
Mathematical model
Issue Date: 2016
Publisher: Elsevier
Source: Bioresource technology, 2016, v. 214, p. 477-486 How to cite?
Journal: Bioresource technology 
Abstract: Anaerobic baffled reactors (ABRs) have been widely used in engineering but very few models have been developed to simulate its performance. Based on the integration of biomass retention and liquid-gas mass transfer of biogas into the biochemical process derived in the International Water Association (IWA) Anaerobic Digestion Model No.1 (ADM1), a mathematical model was developed to predict volatile fatty acids (VFAs), chemical oxygen demand (CODCr) and biogas in a 4-compartment ABR operated with variable hydraulic retention time (HRT). The model was calibrated and validated with the experimental data obtained from the reactor when the HRT decreased from 2.0 to 1.0 d by stages. It was found that the predicted VFAs, CODCr and biogas agreed well with the experimental data. Consequently, the developed model was a reliable tool to enhance the understanding among the mechanisms of the anaerobic digestion in ABRs, as well as to reactor's designing and operation.
URI: http://hdl.handle.net/10397/61367
ISSN: 0960-8524
EISSN: 1873-2976
DOI: 10.1016/j.biortech.2016.04.128
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