Modeling methane production in anaerobic forward osmosis bioreactor using a modified anaerobic digestion model No. 1

Song, Y, Kim, M, Shon, H, Jegatheesan, J and Kim, S 2018, 'Modeling methane production in anaerobic forward osmosis bioreactor using a modified anaerobic digestion model No. 1', Bioresource Technology, vol. 264, pp. 211-218.


Document type: Journal Article
Collection: Journal Articles

Title Modeling methane production in anaerobic forward osmosis bioreactor using a modified anaerobic digestion model No. 1
Author(s) Song, Y
Kim, M
Shon, H
Jegatheesan, J
Kim, S
Year 2018
Journal name Bioresource Technology
Volume number 264
Start page 211
End page 218
Total pages 8
Publisher Elsevier
Abstract Anaerobic membrane bioreactor (AnMBR) using microfiltration (MF) or ultrafiltration (UF) membranes was introduced to enhance poor biomass retention of conventional anaerobic digestion (CAD). Recently, forward osmosis (FO) membrane have been applied to AnMBR, which is called AnFOMBR. FO membrane assures not only high biomass retention but also high removal efficiency for low molecular weight (LMW) matters. Methane production rates in CAD, AnMBR, and AnFOMBR were compared using a modified IWA anaerobic digestion model No. 1 (ADM1) in this work. Accumulation of biomass in AnMBR/AnFOMBR results in enhanced biochemical reaction and gains more methane production. AnFOMBR may experience a significant inhibition by accumulated free ammonia and cations, although concentrated soluble substrates rejected by FO membrane are favorable for more methane production. Rejection rate of inorganic nitrogen is a key parameter to determine the inhibition in methane production of AnFOMBR. © 2018 Elsevier Ltd
Subject Membrane and Separation Technologies
Wastewater Treatment Processes
Keyword(s) Anaerobic digestion
Anaerobic membrane bioreactor (AnMBR)
Forward osmosis (FO)
Inhibition
Methane production
DOI - identifier 10.1016/j.biortech.2018.04.125
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 0960-8524
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