Role of surfactant in affecting photo-fermentative bio-hydrogen production performance from corncob

Fan, Xiaoni; Li, Yameng; Zhu, Shengnan; Zhang, Haorui; Ai, Fuke; Zhang, Quanguo; Zhang, Zhiping

doi:10.1016/j.biortech.2021.125173

Cited by 25 publications

(3 citation statements)

References 9 publications

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“…In addition, T80 has been previously demonstrated as an emulsifier that can alter the substrate structure and make it more accessible to enzymes and bacterial interactions . Using surfactants could alter the medium’s interface state, preventing solid-state aggregation and sedimentation and enhancing mass transfer . The amphipathic molecules improve enzyme stability and availability for substrate hydrolysis, resulting in increased hydrogen generation .…”

Section: Resultsmentioning

confidence: 99%

“…49 Using surfactants could alter the medium's interface state, preventing solid-state aggregation and sedimentation and enhancing mass transfer. 50 The amphipathic molecules improve enzyme stability and availability for substrate hydrolysis, resulting in increased hydrogen generation. 51 Our results outperformed those of Elsamadony et al, 27 who achieved an increase in substrate degradation efficiency, mainly proteins and carbohydrates in the organic fraction of municipal solid waste, from 27.7 ± 2.2 to 50.2 ± 3.6% at 0 and 2.8% T80, respectively.…”

Section: Effect Of Surfactant/graphene Nanosheets On Organic Fraction...mentioning

confidence: 99%

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Stimulating the Fermentation Process of Industrial Food Waste via Nonionic Surfactant/Graphene Nanosheet Combined Supplementation

et al. 2022

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The synergistic impact of Tween 80 (T80) and reduced graphene oxide (RGO) on the codigestion process of food waste and biscuit wastewater via an anaerobic sequential batch reactor was investigated in this study. The T80/RGO-amended reactor exhibited a hydrogen yield of 313.2 ± 89.3 mL/gCODinitial, which is 1.98-fold higher than that of the control. This increase was a consequence of the increase of hydrogenase enzyme activity from 0.24 ± 0.11 to 0.46 ± 0.15 mg MBreduced/min, as well as the stimulation of hydrolytic enzyme activities (i.e., α-amylase, xylanase, CM-cellulase, polygalacturonase, protease, and lipase). Likewise, microbial community analysis revealed that the relative abundances of genera Acinetobacter, Syntrophomonas, and Clostridium (H2-producing species) were enhanced from 3.9, 2.3, and 2.8% to 10.8, 9.1, and 3.6%, respectively, when T80/RGO was supplemented. On the other hand, molecular docking analysis was performed to explore the interaction of the hydrogenase protein with RGO (binding score: −10.1 kcal/mol) and T80 (binding score: −4.1 kcal/mol) as possible targets with active site residues. Eventually, supplementation of the T80/RGO mixture could stimulate the efficiency of the fermentative hydrogen process and, consequently, be used in practical engineering applications.

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Section: Resultsmentioning

confidence: 99%

Section: Effect Of Surfactant/graphene Nanosheets On Organic Fraction...mentioning

confidence: 99%

Stimulating the Fermentation Process of Industrial Food Waste via Nonionic Surfactant/Graphene Nanosheet Combined Supplementation

et al. 2022

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“…110 have been found as effective biosurfactant producers. Fan et al 111 evaluated the hydrogen production potential in a high solid photofermentative biohydrogen production reactor with the supplementation of biosurfactants. In this, the surfactants such as Rhamnolipids and Tea Saponin that were used to produce hydrogen from corncob, were utilized as the raw material and revealed that the cumulative hydrogen yield was significantly increased by the addition of surfactants.…”

Section: Surfactantsmentioning

confidence: 99%

Enhancement of biological hydrogen production from organic wastes with the application of nanomaterials

Kanmani

2022

Intl J of Energy Research

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Summary At present, the energy requirements of the world majorly depend on fossil fuels, but overconsumption leads to a serious energy crisis, and the greenhouse gases released during the burning of fossil fuel arouse various environmental issues like global warming, acid rain, etc. Biohydrogen is one of the promising fuel among the alternative sources of energy, because it can be derived from renewable sources, cost effective, high energy content, clean, and environmentally friendly fuel. Biohydrogen has been produced by various methods namely thermo‐chemical gasification, solar gasification, electrolysis of water, pyrolysis, steam reforming, and biofermentation. Among them, the biological way of hydrogen production is an environmentally friendly method and does not require any external energy, but beside hydrogen dark fermentation could also generate CO2 and other gases as by‐products, which could contribute to the greenhouse gas augmentation if not well‐controlled. But the quantity of hydrogen production through the photo and dark fermentation method is low, which is also a major constrain for commercialization. In order to overcome this obstacle, many researchers engaged them in the biohydrogen production with nanotechnology which is a potential technique for efficient biohydrogen production. Hence, this review is mainly focused to providing an update of nanotechnology in biohydrogen production and state‐of‐the‐art on its emerging field. In this regard, this review paper highlighted several new findings and achievements in biohydrogen production using both inorganic and organic nanoparticles. Additionally, the synthesis of sustainable and environmentally friendly green nanoparticles in biohydrogen production has been addressed.

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Photo-fermentative biohydrogen production from corncob treated by microwave irradiation

Zhang

Fan

et al. 2021

Bioresource Technology

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Role of surfactant in affecting photo-fermentative bio-hydrogen production performance from corncob

Cited by 25 publications

References 9 publications

Stimulating the Fermentation Process of Industrial Food Waste via Nonionic Surfactant/Graphene Nanosheet Combined Supplementation

Stimulating the Fermentation Process of Industrial Food Waste via Nonionic Surfactant/Graphene Nanosheet Combined Supplementation

Enhancement of biological hydrogen production from organic wastes with the application of nanomaterials

Photo-fermentative biohydrogen production from corncob treated by microwave irradiation

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