Strategies to Control pH in the Dark Fermentation of Sugarcane Vinasse: Impacts on Sulfate Reduction, Biohydrogen Production and Metabolite Distribution

Rogeri, Renan Coghi; Fuess, Lucas Tadeu; Eng, Felipe; Borges, André do Vale; Araujo, Matheus Neves; Damianovic, Márcia Helena Rissato Zamariolli; Silva, Ariovaldo José da

doi:10.2139/ssrn.4181398

Cited by 2 publications

(1 citation statement)

References 48 publications

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“…The temperatures of column, injector, and detector were kept at 220°C, 130-175°C,and 240°C, respectively. Nitrogen as a carrier gas with a flow rate of 20 mL min -1 [22].…”

Section: Characteristic Of Fermented Substratesmentioning

confidence: 99%

Enhancing the lab scale biohydrogen production from co-substrates through dark fermentation by bacterial monocultures and bacterial consortium

Mumtha,

Mahalingam

2023

Preprint

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Dark fermentative biohydrogen production with other waste biomass needs to be explored as an alternative for sustainable biohydrogen production in future. the biohydrogen production from co-substrates (DW + SCB) using bacterial monocultures and its consortium was performed through dark fermentation in a laboratory scale reactor. Co-substrates are a promising substrate for enhanced biohydrogen production. For the experimental set-up, a 1-L-working-volume reactor was used for biohydrogen production by bacterial monocultures and consortium on co-substrates. A batch experiment was performed at 37°C with an initial pH of 7.0 and a mixing ratio of 600:300 between DW and solid SCB. Total solids, volatile solids, total chemical oxygen demand, soluble chemical oxygen demand, and hydrogen production rate were determined from co-substrates during the dark fermentation process. Morphological changes of biohydrogen producing bacteria binds on co-substrates after the fermentation process were determined using SEM imaging. The bacteria can degrade the substrate when they attach to it causing hole formation and cracked the surface area. The level of biohydrogen production by bacterial consortium was observed and the results revealed a 8 cumulative hydrogen production of 1098 mL H2/L, HPR of 35.9 mL H2/h/L, and HY of 3.6 mL/H2/gVS(removal) utilizing co-substrates at pH 7.

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“…The temperatures of column, injector, and detector were kept at 220°C, 130-175°C,and 240°C, respectively. Nitrogen as a carrier gas with a flow rate of 20 mL min -1 [22].…”

Section: Characteristic Of Fermented Substratesmentioning

confidence: 99%

Enhancing the lab scale biohydrogen production from co-substrates through dark fermentation by bacterial monocultures and bacterial consortium

Mumtha,

Mahalingam

2023

Preprint

View full text Add to dashboard Cite

show abstract

Biohydrogen production from co-substrates through dark fermentation by bacterial consortium

Mumtha,

Mahalingam

2024

3 Biotech

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Strategies to Control pH in the Dark Fermentation of Sugarcane Vinasse: Impacts on Sulfate Reduction, Biohydrogen Production and Metabolite Distribution

Cited by 2 publications

References 48 publications

Enhancing the lab scale biohydrogen production from co-substrates through dark fermentation by bacterial monocultures and bacterial consortium

Enhancing the lab scale biohydrogen production from co-substrates through dark fermentation by bacterial monocultures and bacterial consortium

Biohydrogen production from co-substrates through dark fermentation by bacterial consortium

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