Abstract:
:In this work, effect of Fe0 nanoparticles (Fe0 NPs) on macroalgae fermentation was explored. Hydrogen production was significantly enhanced by 6.5 times comparing with control test, achieving 20.25 mL H2/g VSadded with addition of 200 mg/L Fe0 NPs. In-depth analysis of substrate conversion showed that both hydrogen generation and acids accumulation were promoted with Fe0 NPs supplementation. Microbial analysis demonstrated that both hydrogen-producing strains belonging to genus Clostridium and Terrisporobacter sp. favorable for acids formation were enriched with Fe0 NPs supplementation, while species Acinetobacter lwoffii beneficial to organics mineralization was eliminated. Complex substrate compositions resulted in more prevalent cooperative relationships among species in the system. This study suggested that Fe0 NPs plays a crucial role in macroalgae fermentation by affecting the microbial distribution, subsequently influencing the products distribution and energy conversion.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Yin Y,Wang Jdoi
10.1016/j.biortech.2019.02.128subject
Has Abstractpub_date
2019-06-01 00:00:00pages
110-117eissn
0960-8524issn
1873-2976pii
S0960-8524(19)30343-8journal_volume
282pub_type
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