Abstract：
:In this work, the effect of coupling ultrasonic pretreatment with dosing of zero-valent iron nanoparticles (nanoferrosonication, "NFS") to improve the anaerobic digestion of sewage sludge was studied. Biochemical methane potential tests were conducted at 15,000 and 25,000 kJ/kgTS and their combinations with 2 and 7 mgFe0/gVS. The biogas yield increased from 106 (control) to 143 (25,000 kJ/kgTS) and 308 mL/gVS with NFS (7 mgFe0/gVS + 15,000 kJ/kgTS). The methane content increased from 55.6 to 66%, and the maximum VS removal was 11.5% at 7 mgFe0/gVS + 15,000 kJ/kgTS. The results demonstrated that NFS was effective in intensifying the process.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Lizama AC,Figueiras CC,Gaviria LA,Pedreguera AZ,Ruiz Espinoza JEdoi
10.1016/j.biortech.2019.01.021subject
Has Abstractpub_date
2019-03-01 00:00:00pages
318-324eissn
0960-8524issn
1873-2976pii
S0960-8524(19)30031-8journal_volume
276pub_type
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