Biobutanol production from hydrolysates of cyanobacteria Lyngbya limnetica and Oscillatoria obscura

Kushwaha, Deepika; Srivastava, Neha; Prasad, Durga; Mishra, Pradeep Kumar; Upadhyay, S.N.

doi:10.1016/j.fuel.2020.117583

Cited by 29 publications

(6 citation statements)

References 28 publications

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“…Fossil fuels, the main sources of transportation energy in Thailand over the last century, are being gradually replaced by more environmentally friendly and sustainable biofuels [ 1 , 2 ]. Thailand is pledged to reduce greenhouse gas emissions in the energy and transportation sectors by 156.86 MtCO 2 eq by 2030.…”

Section: Introductionmentioning

confidence: 99%

“…Previous studies have indicated that the growth of Clostridium sp. will be suppressed when the butanol concentration is greater than 7.4 g/L [ 1 , 2 , 8 , 9 ], and this low obtained butanol concentration will increase the cost of downstream purification. The complicated metabolism of ABE fermentation and inappropriate environment is the cause of cell membrane rupture [ 1 , 10 ] and results in the low butanol concentration, yield, and productivity.…”

Section: Introductionmentioning

confidence: 99%

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Modified Activated Carbon: A Supporting Material for Improving Clostridium beijerinckii TISTR1461 Immobilized Fermentation

Chinwatpaiboon

Boonsombuti

Chaisuwan

et al. 2023

Bioinorganic Chemistry and Applications

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This study aimed to investigate the effect of activated carbon (AC) as an immobilization material in acetone-butanol-ethanol fermentation. The AC surface was modified with different physical (orbital shaking and refluxing) and chemical (nitric acid, sodium hydroxide and, (3-aminopropyl)triethoxysilane (APTES)) treatments to enhance the biobutanol production by Clostridium beijerinckii TISTR1461. The effect of surface modification on AC was evaluated using Fourier-transform infrared spectroscopy, field emission scanning electron microscopy, surface area analyses, and X-ray photoelectron spectroscopy, while the fermented broth was examined by high-performance liquid chromatography. The chemical functionalization significantly modified the physicochemical properties of the different treated ACs and further enhanced the butanol production. The AC treated with APTES under refluxing provided the best fermentation results at 10.93 g/L of butanol, 0.23 g/g of yield, and 0.15 g/L/h of productivity, which were 1.8-, 1.5-, and 3.0-fold higher, respectively, than that in the free-cell fermentation. The obtained dried cell biomass also revealed that the treatment improved the AC surface for cell immobilization. This study demonstrated and emphasized the importance of surface properties to cell immobilization.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Modified Activated Carbon: A Supporting Material for Improving Clostridium beijerinckii TISTR1461 Immobilized Fermentation

Chinwatpaiboon

Boonsombuti

Chaisuwan

et al. 2023

Bioinorganic Chemistry and Applications

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“…Additionally, higher alcohols exhibit much more flexibility compared to that exhibited by ethanol. For example, butanol is also an important precursor used in the paint, polymer, and plastic industries ( Kushwaha et al, 2020 ). Owing to the decreasing price of petroleum, renewable bio-alcohol research has become increasingly focused on higher alcohols rather than on ethanol.…”

Section: Introductionmentioning

confidence: 99%

Combination of Trace Metal to Improve Solventogenesis of Clostridium carboxidivorans P7 in Syngas Fermentation

Han

Xie

et al. 2020

Front. Microbiol.

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Higher alcohols such as butanol (C4 alcohol) and hexanol (C6 alcohol) are superior biofuels compared to ethanol. Clostridium carboxidivorans P7 is a typical acetogen capable of producing C4 and C6 alcohols natively. In this study, the composition of trace metals in culture medium was adjusted, and the effects of these adjustments on artificial syngas fermentation by C. carboxidivorans P7 were investigated. Nickel and ferrous ions were essential for growth and metabolite synthesis during syngas fermentation by P7. However, a decreased dose of molybdate improved alcohol fermentation performance by stimulating carbon fixation and solventogenesis. In response to the modified trace metal composition, cells grew to a maximum OD 600 nm of 1.6 and accumulated ethanol and butanol to maximum concentrations of 2.0 and 1.0 g/L, respectively, in serum bottles. These yields were ten-fold higher than the yields generated using the original composition of trace metals. Furthermore, 0.5 g/L of hexanol was detected at the end of fermentation. The results from gene expression experiments examining genes related to carbon fixation and organic acid and solvent synthesis pathways revealed a dramatic up-regulation of the Wood–Ljungdahl pathway (WLP) gene cluster, the bcs gene cluster, and a putative CoA transferase and butanol dehydrogenase, thereby indicating that both de novo synthesis and acid re-assimilation contributed to the significantly elevated accumulation of higher alcohols. The bdh35 gene was speculated to be the key target for butanol synthesis during solventogenesis.

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“…have been observed to emit fewer GHGs (3.1 kg CO 2 eq/kg biobutanol) into the environment. However, genetically engineered microorganisms are being tested for sustainable biobutanol production [102][103][104][105][106].…”

Section: Biobutanol From Cyanobacteriamentioning

confidence: 99%

Current Issues and Developments in Cyanobacteria-Derived Biofuel as a Potential Source of Energy for Sustainable Future

Singh,

Kaushalendra,

Verma

et al. 2023

Sustainability

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Biofuel production using cyanobacteria aims to maintain the sustainability of an ecosystem with minimum impact on the environment, unlike fossil fuels, which cause havoc on the environment. The application of biofuel as an alternative energy source will not only help in maintaining a clean environment and improving air quality but also decrease harmful organic matter content from aquatic bodies. Cyanobacteria are valuable sources of many novel bioactive compounds, such as lipids and natural dyes, with potential commercial implications. One of the advantages of cyanobacteria is that their biochemical constituents can be modified by altering the source of nutrients and growth conditions. Careful changes in growth media and environmental conditions altering the quality and quantity of the biochemicals and yield capacity have been discussed and analyzed. In the present review, the challenges and successes achieved to date in the commercial production of biofuel and its application in the transportation industry are discussed. The authors also focus on different types of feedstocks obtained from biomass, especially from cyanobacterial species. This review also discusses the selection of appropriate cyanobacterial species with merits and demerits in the post-harvesting process. In sum, the current review provides insight into the use of organic bioresources to maintain a sustainable environment.

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Biobutanol production from hydrolysates of cyanobacteria Lyngbya limnetica and Oscillatoria obscura

Cited by 29 publications

References 28 publications

Modified Activated Carbon: A Supporting Material for Improving Clostridium beijerinckii TISTR1461 Immobilized Fermentation

Modified Activated Carbon: A Supporting Material for Improving Clostridium beijerinckii TISTR1461 Immobilized Fermentation

Combination of Trace Metal to Improve Solventogenesis of Clostridium carboxidivorans P7 in Syngas Fermentation

Current Issues and Developments in Cyanobacteria-Derived Biofuel as a Potential Source of Energy for Sustainable Future

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