Dynamics and Complexity of Dark Fermentation Microbial Communities Producing Hydrogen From Sugar Beet Molasses in Continuously Operating Packed Bed Reactors.

ABSTRACT: This study describes the dynamics and complexity of microbial communities producing hydrogen-rich fermentation gas from sugar-beet molasses in five packed-bed reactors (PBRs). The bioreactors constitute a part of a system producing hydrogen from the by-products of the sugar-beet industry that has been operating continuously in one of the Polish sugar factories. PBRs with different working volumes, packing materials, construction and inocula were tested. This study focused on analysis (based on 16S rRNA profiling and shotgun metagenomics sequencing) of the microbial communities selected in the PBRs under the conditions of high (>100 cm³/g COD of molasses) and low (<50 cm³/g COD of molasses) efficiencies of hydrogen production. The stability and efficiency of the hydrog

SUBMITTER: Detman A 

PROVIDER: S-EPMC7819888 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature