Dynamic modelling of a single-stage high-rate anaerobic reactor-I. Model derivation

Costello, D. J., Greenfield, P. F. and Lee, P. L. (1991) Dynamic modelling of a single-stage high-rate anaerobic reactor-I. Model derivation. Water Research, 25 7: 847-858. doi:10.1016/0043-1354(91)90166-N

Author Costello, D. J.
Greenfield, P. F.
Lee, P. L.
Title Dynamic modelling of a single-stage high-rate anaerobic reactor-I. Model derivation
Journal name Water Research   Check publisher's open access policy
ISSN 0043-1354
Publication date 1991-01-01
Sub-type Article (original research)
DOI 10.1016/0043-1354(91)90166-N
Open Access Status Not yet assessed
Volume 25
Issue 7
Start page 847
End page 858
Total pages 12
Language eng
Subject 2302 Ecological Modelling
2312 Water Science and Technology
2311 Waste Management and Disposal
2310 Pollution
Abstract A mathematical model of a high-rate anaerobic treatment system was developed by defining the biological make-up of the anaerobic ecosystem, the physico-chemical system, and the reactor process. The biological model was extended from current theory to include the accumulation of lactic acid under specific process conditions. Product inhibition and pH inhibition of each group of bacteria were represented in the model so as to utilize all the available information about the anaerobic process. A rigorous approach was applied to the development of the physico-chemical model which was used in the determination of the reactor pH and ionic species concentrations. The overall reactor equations were based on continuous well-mixed processes, with no effective solids residence time parameter introduced to account for bacterial retention in the process. Parameters were taken from models developed by previous researchers, and from mixed and pure culture studies of the anaerobic bacteria.
Keyword anaerobic
industrial treatment
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
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Created: Fri, 22 Dec 2017, 03:37:37 EST