Abstract：
:Three distinctive start-up strategies of biogas reactors fed with source-sorted organic fraction of municipal solid waste were investigated to reveal the most reliable procedure for rapid process stabilization. Moreover, the experimental results were compared with mathematical modeling outputs. The initial inoculations to start-up the reactors were 10, 50 and 100% of the final working volume. While a constant feeding rate of 7.8gVS/d was considered for the control reactor, the organic loading rate for fed-batch reactors with 10 and 50% inoculation was progressively increased during a period of 60 and 13days, respectively. The results clearly demonstrated that an exponentially feeding strategy, considering 50% inoculation relative to final volume, can significantly decrease the alternatively prolonged period to reach steady conditions, as observed by high biogas and methane production rates. The combination of both experimental and modelling/simulation succeeded in optimizing the start-up process for anaerobic digestion of biopulp under mesophilic conditions.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Khoshnevisan B,Tsapekos P,Alvarado-Morales M,Angelidaki Idoi
10.1016/j.biortech.2017.09.122subject
Has Abstractpub_date
2018-01-01 00:00:00pages
486-495eissn
0960-8524issn
1873-2976pii
S0960-8524(17)31687-5journal_volume
247pub_type
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