Reviews of Science for Science Librarians: Microbes that Make Biofuels and Work within Fuel Cells

Stankus, Tony

doi:10.1080/0194262x.2013.875505

Cited by 2 publications

(2 citation statements)

References 95 publications

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“…A similar situation could be described for bioethanol production. Other waste materials, like cheese whey, that would otherwise be considered environmental pollutants can be converted into energy sources, thus making the pathway to a biofuel-based economy more feasible [ 8 ]. Cheese whey is already a substrate for bioethanol production at industrial scale [ 9 ] but its use for biobutanol production has been less investigated and needs further research, as here reviewed.…”

Section: Introductionmentioning

confidence: 99%

Biobutanol from cheese whey

2015

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At present, due to environmental and economic concerns, it is urgent to evolve efficient, clean and secure systems for the production of advanced biofuels from sustainable cheap sources. Biobutanol has proved better characteristics than the more widely used bioethanol, however the main disadvantage of biobutanol is that it is produced in low yield and titer by ABE (acetone-butanol-ethanol) fermentation, this process being not competitive from the economic point of view. In this review we summarize the natural metabolic pathways for biobutanol production by Clostridia and yeasts, together with the metabolic engineering efforts performed up to date with the aim of either enhancing the yield of the natural producer Clostridia or transferring the butanol production ability to other hosts with better attributes for industrial use and facilities for genetic manipulation. Molasses and starch-based feedstocks are main sources for biobutanol production at industrial scale hitherto. We also review herewith (and for the first time up to our knowledge) the research performed for the use of whey, the subproduct of cheese making, as another sustainable source for biobutanol production. This represents a promising alternative that still needs further research. The use of an abundant waste material like cheese whey, that would otherwise be considered an environmental pollutant, for biobutanol production, makes economy of the process more profitable.

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Section: Introductionmentioning

confidence: 99%

Biobutanol from cheese whey

2015

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“…The second one was the ability of primary screened isolates for direct bioconversion of food processing waste in to ethanol. Primary screening was carried out based on thermotolerant, ethanol tolerance and ethanol productivity followed by secondary search for the potential of the selected isolate for direct conversion of alternative sustainable sources of food processing waste, that would otherwise be considered environmental pollutants in to ethanol economically (Xue et al, 2013;Stankus, 2014). There are several reports for the utilization of cheese whey as a substrate for bioethanol production at industrial scale (Guimaraes et al, 2010) (Banat et al, 1992;Fleming et al, 1993;Barron et al, 1994).…”

Section: Isolation and Primary Screening Of Yeastmentioning

confidence: 99%

SELECTION AND IDENTIFICATION OF A NOVEL THERMOTOLERANT Kluyveromyces marxianus STRAIN FOR VALORIZATION OF LACTOSE WASTE INTO ETHANOL

Joshi¹,

Dhingani²,

Prasad³

2018

JEBAS

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Sustainable production of ethanol as alternative renewable fuels, there is a need for a yeast strain which can convert the non-food substrate into ethanol economically. Extensive screening program for such yeast for bioethanol production was attempted from the diverge ecosystem. That resulted into isolation of a yeast strain, designated strain ETDLT1, which was capable of ethanol fermentation using lactose as carbon source even at elevated temperatures. Beside this the strain is ethanol tolerant up to 12 %. The lactose fermentation performance of selected ETDLT1 strain was evaluated. It was found to produce 28 g/l of ethanol with yield of 0.36 %. (p/s, g/g). In laboratory fermentation ETDLT1 strain found significant potential for its ability for bioconversion of dairy processing wastes rich in lactose into ethanol in single step fermentation. Therefore, it was further selected for thorough characterization. Results of characteristics confirm the ETDLT1 isolate as the strain of Kluyveromyces marxianus.

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Reviews of Science for Science Librarians: Microbes that Make Biofuels and Work within Fuel Cells

Cited by 2 publications

References 95 publications

Biobutanol from cheese whey

Biobutanol from cheese whey

SELECTION AND IDENTIFICATION OF A NOVEL THERMOTOLERANT Kluyveromyces marxianus STRAIN FOR VALORIZATION OF LACTOSE WASTE INTO ETHANOL

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