Start-up of anaerobic digestion of source-sorted organic municipal solid waste

Maroun, Rania and El Fadel, Mutasem (2007) Start-up of anaerobic digestion of source-sorted organic municipal solid waste. Environmental Science and Technology, 41, (19), 6808-6814. (doi:10.1021/es070686w).


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This study investigates the start-up and operation of bench-scale anaerobic digesters treating the source-sorted organic fraction of municipal solid waste in the absence of mesophilic inocula. The experimental program consisted of starting up a digester with two consecutive interventions implemented to approach steady state. While start-up was relatively slow, re-inoculation with cattle manure together with effluent dilution reduced the acclimation period and achieved better stability and effectiveness, accommodating a feeding rate at an OLR = 2.03 kg total volatile solids (TVS) m-3 day-1 and an equivalent hydraulic retention time (HRT) = 148 days. The latter highlights the long duration that should be taken into consideration in the design and start-up of anaerobic digestion systems for municipal solid waste, in countries where this system is not established, before reaching optimal steady-state conditions

Item Type: Article
Digital Object Identifier (DOI): doi:10.1021/es070686w
ISSNs: 1520-5851 (print)
Related URLs:
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Divisions : University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 52924
Accepted Date and Publication Date:
1 September 2007Published
Date Deposited: 15 Jul 2008
Last Modified: 31 Mar 2016 12:31

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