2021
DOI: 10.1016/j.jclepro.2021.128275
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Cobalt ferrate nanoparticles improved dark fermentation for hydrogen evolution

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Cited by 45 publications
(13 citation statements)
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“…With the addition of HA, the Ca 2+ in HA can connect to the negative charge on EPS, thus forming an EPS substrate and maintaining cellular morphology. The increased EPS secretion promotes the release of hydrogenase-producing enzymes and increases contact with substrates, thus increasing the production of BioH 2 …”
Section: Resultsmentioning
confidence: 73%
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“…With the addition of HA, the Ca 2+ in HA can connect to the negative charge on EPS, thus forming an EPS substrate and maintaining cellular morphology. The increased EPS secretion promotes the release of hydrogenase-producing enzymes and increases contact with substrates, thus increasing the production of BioH 2 …”
Section: Resultsmentioning
confidence: 73%
“…The increased EPS secretion promotes the release of hydrogenase-producing enzymes and increases contact with substrates, thus increasing the production of BioH 2 . 28 Ca 2+ increases bacterial abundance by reducing electrostatic repulsion between negatively charged mixed culture bacteria (MCB). The results indicated that moderate amounts of HA increase the rate of bioH 2 production from dark fermentation, which could be boosted by enzyme activity, optimization of EPS, and microbial community structure.…”
Section: Resultsmentioning
confidence: 88%
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“…obtained more bioH 2 by adding nanoparticles containing both Fe 3 O 4 and NiO than with nanoparticles bearing only one metal compound [7]. This can be explained by combinations of different metal‐containing nanoparticles promoting electrical conductivity and thus accelerating the transfer of electrons to the hydrogenase active site during bioH 2 production [28]. Ferredoxin is an important redox mediator, assisting the conversion of pyruvate to acetic acid and CO 2 [29].…”
Section: Resultsmentioning
confidence: 99%
“…The profile of Co 2p exhibited two peaks of 2p3/2 and 2p1/2 at 780.1 and 795.5 eV, respectively, which signified the existence of Co 3+ (Figure d). Meanwhile, the satellite peaks at 783.2 and 802.9 eV demonstrated the presence of Co 2+ …”
Section: Resultsmentioning
confidence: 99%