Yeast and enzymatic hydrolysis in converting Chlorella biomass into hydrogen gas by Rhodobacter sp. and Rhodopseudomonas palustris

Abdel-Kader, Huwida A. A.; Abdel-Basset, Refat; Danial, Amal W.

doi:10.1016/j.ijhydene.2021.10.126

Cited by 13 publications

(6 citation statements)

References 67 publications

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“…With the advent of the new energy economy, hydrogen has been considered a promising alternative energy source due to its cleanliness and renewability [1][2][3]. Compared with the conventional hydrogen-producing processes (thermochemical and electrochemical), the biological process for hydrogen production through dark fermentation has shown many advantages, such as being more environmentally friendly, less energy intensive and having a wide range of substrates [4,5].…”

Section: Introductionmentioning

confidence: 99%

Fermentative Hydrogen Production from Lignocellulose by Mesophilic Clostridium populeti FZ10 Newly Isolated from Microcrystalline Cellulose-Acclimated Compost

et al. 2022

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Screening new Clostridium strains that can efficiently utilize lignocellulose to produce hydrogen is extremely important for dark fermentative hydrogen production. In this study, a mesophilic hydrogen-producing bacterium, identified as Clostridium populeti FZ10, was newly isolated from compost acclimated by microcrystalline cellulose. The strain could produce hydrogen from various cellulosic substrates. The performances of hydrogen production from microcrystalline cellulose (MCC) and corn stalk (CS) were especially investigated. The maximum hydrogen yield and hydrogen production rate from MCC were 177.5 ± 4.8 mL/g and 7.7 ± 0.2 mL·g−1·h−1, respectively. Furthermore, scanning electron microscopy (SEM) images showed that the structure of CS was destroyed after fermentation, which could be attributed to the presence of exoglucanase, endoglucanase, β-glucosidase and xylanase produced by Clostridium populeti FZ10. The maximum hydrogen yield and hydrogen production rate from CS were 92.5 ± 3.7 mL/g and 5.9 ± 0.2 mL·g−1·h−1,respectively, with a cellulose degradation of 47.2 ± 2.3% and a hemicellulose degradation of 58.1 ± 2.0%. This study demonstrates that Clostridium populeti FZ10 is an ideal candidate for directly converting lignocellulose into biohydrogen under mesophilic conditions. The discovery of strain C. populeti FZ10 has special significance in the field of bioenergy.

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Section: Introductionmentioning

confidence: 99%

Fermentative Hydrogen Production from Lignocellulose by Mesophilic Clostridium populeti FZ10 Newly Isolated from Microcrystalline Cellulose-Acclimated Compost

et al. 2022

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“…The bottles were sealed with sterilized air-tight rubber caps and parafilm, then purged with nitrogen gas for 3 min to drop the dissolved oxygen concentration down to zero. The bottles capped with rubber stoppers were stirred using the magnetic stirrer plate to help evolve hydrogen [ 14 ]. The heater and temperature probe of the magnetic stirrer held the water temperature constant at 37 ℃.…”

Section: Methodsmentioning

confidence: 99%

“…This yield was the highest amount developed among all applied treatments. Abdel-Kader et al observed that hydrogen production of the mixed cultures of bacterial strain ( Rhodobacter sp, Rhodopseudomonas palustris ) was improved to attain 4700 mLH 2 / L culture [ 14 ]. Srivastava et al recorded an increase in hydrogen yield to 1820 mLH 2 /L via Bacillus subtilis PF_1 by using NiFe 2 O 4- NPs treated cyanobacteria biomass [ 18 ].…”

Section: Biohydrogen Productionmentioning

confidence: 99%

“…Carbohydrates in cyanobacteria are mainly derived from glycogen accumulated in the cytoplasm and various cell wall polysaccharides, which are not easily fermentable by microbes for biohydrogen generation [ 9 ]. As a result, various pretreatment methods are being used to break and hydrolyze the intricate cell wall carbohydrates in order to produce simple fermentable sugars, consist of physical (grinding, sonication and pyrolysis), chemical (alkali, acid and thermal), and biological (enzymes) pretreatments [ 14 ]. However, the most effective approach for cyanobacteria has yet to be determined.…”

Section: Introductionmentioning

confidence: 99%

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Application of a novel biological-nanoparticle pretreatment to Oscillatoria acuminata biomass and coculture dark fermentation for improving hydrogen production

et al. 2023

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Background Energy is the basis and assurance for a world's stable development; however, as traditional non-renewable energy sources deplete, the development and study of renewable clean energy have emerged. Using microalgae as a carbon source for anaerobic bacteria to generate biohydrogen is a clean energy generation system that both local and global peers see as promising. Results Klebsiella pneumonia, Enterobacter cloacae, and their coculture were used to synthesize biohydrogen using Oscillatoria acuminata biomass via dark fermentation. The total carbohydrate content in O. acuminata was 237.39 mg/L. To enhance the content of fermentable reducing sugars, thermochemical, biological, and biological with magnesium zinc ferrite nanoparticles (Mg-Zn Fe2O4-NPs) pretreatments were applied. Crude hydrolytic enzymes extracted from Trichoderma harzianum of biological pretreatment were enhanced by Mg-Zn Fe2O4-NPs and significantly increased reducing sugars (230.48 mg/g) four times than thermochemical pretreatment (45.34 mg/g). K. pneumonia demonstrated a greater accumulated hydrogen level (1022 mLH2/L) than E. cloacae (813 mLH2/L), while their coculture showed superior results (1520 mLH2/L) and shortened the production time to 48 h instead of 72 h in single culture pretreatments. Biological pretreatment + Mg-Zn Fe2O4 NPs using coculture significantly stimulated hydrogen yield (3254 mLH2/L), hydrogen efficiency)216.9 mL H2/g reducing sugar( and hydrogen production rate (67.7 mL/L/h) to the maximum among all pretreatments. Conclusion These results confirm the effectiveness of biological treatments + Mg-Zn Fe2O4-NPs and coculture dark fermentation in upregulating biohydrogen production.

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“…Differences in hydrogen yield were observed using different types of bacteria, and similar types of microalgae and culture medium were utilized in the study by Fakhimi & Tavakoli, 2019. 98 With mixed cultures of bacteria, 99,100 optimized condition allows the hydrogen yield to be obtained up to 4700 mL L −1 for the first study and around 150 mL H 2 L −1 d −1 for the second study. According to Yao et al (2019), it was found that some species of bacterial symbionts, Brevundimonas sp., Leifsonia sp., and Rhodococcus sp.…”

Section: Biohydrogenmentioning

confidence: 99%

Future bioenergy source by microalgae–bacteria consortia: a circular economy approach

Chia,

Ling,

Chia

et al. 2023

Green Chem.

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Yeast and enzymatic hydrolysis in converting Chlorella biomass into hydrogen gas by Rhodobacter sp. and Rhodopseudomonas palustris

Cited by 13 publications

References 67 publications

Fermentative Hydrogen Production from Lignocellulose by Mesophilic Clostridium populeti FZ10 Newly Isolated from Microcrystalline Cellulose-Acclimated Compost

Fermentative Hydrogen Production from Lignocellulose by Mesophilic Clostridium populeti FZ10 Newly Isolated from Microcrystalline Cellulose-Acclimated Compost

Application of a novel biological-nanoparticle pretreatment to Oscillatoria acuminata biomass and coculture dark fermentation for improving hydrogen production

Future bioenergy source by microalgae–bacteria consortia: a circular economy approach

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