Abstract:
:Herein, the design of nanocomposite (NC) formulations that consist of metal enzyme cofactors, highly conductive carbon materials, DIET activators, to boost AD biogas production from anaerobically incubated cattle manure are investigated and discussed. Three different NC formulations were designed and synthesized: zinc ferrite (ZnFe), ZnFe with 10% carbon nanotubes (ZFCNTs), and zinc ferrite with 10% C76 fullerene (ZFC76). The structure and morphology of the nano-additives were investigated via x-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive x-ray (EDX), and transmission electron microscopy (TEM). NCs were supplemented to lab-scale biodigesters containing organic slurry. Biogas production was monitored daily and compared to blank biodigesters for 50 days. The maximum methane enhancement was obtained for ZnFe, which promoted methane production to 185.3%. ZFCNTs and ZFC76 showed a positive impact on the hydraulic retention time and enhanced methane production to 162% and 145.9%, respectively compared to the blank reactors.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Hassaneen FY,Abdallah MS,Ahmed N,Taha MM,Abd ElAziz SMM,El-Mokhtar MA,Badary MS,Allam NKdoi
10.1016/j.biortech.2020.123350subject
Has Abstractpub_date
2020-08-01 00:00:00pages
123350eissn
0960-8524issn
1873-2976pii
S0960-8524(20)30622-2journal_volume
309pub_type
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