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Journal Article

Journal article

Acetone, Butanol, Ethanol Production from Undaria pinnatifida Using Clostridium sp.  [2017]

Kwon, J.E., Pukyong National University, Busan, Republic of Korea; Gwak, S.H., Pukyong National University, Busan, Republic of Korea; Kim, J.A., Pukyong National University, Busan, Republic of Korea; Ryu, J.A., Yangsanjeil High School, Yangsan, Republic of Korea; et al.

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The conversion of marine biomass to renewable energy has been considered an alternative to fossil fuels. Butanol, in particular, can be used directly as a fuel. In this experiment, the brown alga Undaria pinnatifida was selected as a biomass for biobutanol production. Hyper thermal (HT) acid hydrolysis was used as an acid hydrolysis method to produce monosaccharides. The optimal pretreatment conditions for U. pinnatifida were determined as slurry with 10% (w/v) U. pinnatifida content and 270 mM H₂SO₄, and heating at 160 Celsius for 7.5 min. Enzymatic saccharification was carried out with Celluclast 1.5 L, Viscozyme L, and Ultraflo Max. The optimal saccharification condition was 12 U/ml Viscozyme L. Fermentations were carried out for the production of acetone, butanol, and ethanol by Clostridium acetobutylicum KCTC 1724, Clostridium beijerinckii KCTC 1785, and Clostridium tyrobutyricum KCTC 5387. The fermentations were carried out using a pH-control. The optimal ABE fermentation condition determined using C. acetobutylicum KCTC 1724 adapted to 160 g/l mannitol. An ABE concentration of 9.05 g/l (0.99 g/l acetone, 5.62 g/l butanol, 2.44 g/l ethanol) was obtained by the consumption of 24.14 g/l monosaccharide with YABE of 0.37 in pH 5.0.

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Bibliographic information

Language:
Korean
Type:
Directory
In AGRIS since:
2018
Volume:
45
Issue:
3
Start Page:
236
End Page:
242
All titles:
" Acetone, Butanol, Ethanol Production from Undaria pinnatifida Using Clostridium sp. "
Other:
" Summary(En) "
" 1 table "
" 4ill., 13 ref. "

From the journal

Microbiology and Biotechnology Letters

ISSN : 1598-642X