A mechanistic model for anaerobic phototrophs in domestic wastewater applications: photo-anaerobic model (PAnM)

Puyol, D., Barry, E. M., Hulsen, T. and Batstone, D. J. (2017) A mechanistic model for anaerobic phototrophs in domestic wastewater applications: photo-anaerobic model (PAnM). Water Research, 116 241-253. doi:10.1016/j.watres.2017.03.022

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Author Puyol, D.
Barry, E. M.
Hulsen, T.
Batstone, D. J.
Title A mechanistic model for anaerobic phototrophs in domestic wastewater applications: photo-anaerobic model (PAnM)
Journal name Water Research   Check publisher's open access policy
ISSN 1879-2448
Publication date 2017-06-01
Sub-type Article (original research)
DOI 10.1016/j.watres.2017.03.022
Open Access Status File (Author Post-print)
Volume 116
Start page 241
End page 253
Total pages 13
Place of publication London, United Kingdom
Publisher I W A Publishing
Language eng
Subject 2302 Ecological Modelling
2312 Water Science and Technology
2311 Waste Management and Disposal
2310 Pollution
Abstract Purple phototrophic bacteria (PPB) have been recently proposed as a key potential mechanism for accumulative biotechnologies for wastewater treatment with total nutrient recovery, low greenhouse gas emissions, and a neutral to positive energy balance. Purple phototrophic bacteria have a complex metabolism which can be regulated for process control and optimization. Since microbial processes governing PPB metabolism differ from traditional processes used for wastewater treatment (e.g., aerobic and anaerobic functional groups in ASM and ADM1), a model basis has to be developed to be used as a framework for further detailed modelling under specific situations. This work presents a mixed population phototrophic model for domestic wastewater treatment in anaerobic conditions. The model includes photoheterotrophy, which is divided into acetate consumption and other organics consumption, chemoheterotrophy (including simplified fermentation and anaerobic oxidation) and photoautotrophy (using hydrogen as an electron donor), as microbial processes, as well as hydrolysis and biomass decay as biochemical processes, and is single-biomass based. The main processes have been evaluated through targeted batch experiments, and the key kinetic and stoichiometric parameters have been determined. The process was assessed by analyzing a continuous reactor simulation scenario within a long-term wastewater treatment system in a photo-anaerobic membrane bioreactor.
Keyword Mechanistic modelling
Phototrophic bacteria
Resource recovery
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
Advanced Water Management Centre Publications
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