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Dilute phosphoric a...
Dilute phosphoric acid pretreatment of wheat bran for enzymatic hydrolysis and subsequent ethanol production by edible fungi Neurospora intermedia.
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- Nair, Ramkumar (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi,Swedish Centre for Resource Recovery,Biotechnology
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- Lundin, Magnus (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi,Swedish Centre for Resource Recovery,Biotechnology
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Brandberg, Tomas (författare)
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- Lennartsson, Patrik (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi,Swedish Centre for Resource Recovery,Biotechnology
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- Taherzadeh, Mohammad J, 1965- (författare)
- Högskolan i Borås,Resource Recovery
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(creator_code:org_t)
- Elsevier BV, 2015
- 2015
- Engelska.
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Ingår i: Industrial crops and products (Print). - : Elsevier BV. - 0926-6690 .- 1872-633X. ; 69, s. 314-323
- Relaterad länk:
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http://www.sciencedi...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The use of an underutilized and abundant lignocellulosic feedstock residue, wheat bran, was studied for ethanol prodn. using dil. phosphoric acid pretreatment followed by fermn. using edible fungi Neurospora intermedia. Wheat bran was subjected to dil. acid pretreatment at varying acid concns. (0.5-3.0% w/v), temp. (150-210 °C), and reaction time (5-20 min). The interaction of multiple factors showed the optimum pretreatment conditions at acid concn. of 1.75% (w/v), at 190 °C for 10 min. The max. total polysaccharide yield of 0.27 ± 0.01 g/g dry biomass loading, corresponding to 66% of the theor. max. was obsd. Subsequent fermn. with N. intermedia showed 85% of the theor. max. ethanol yield from the untreated bran glucose. The effect of the dil. acid pretreatment on the functional groups of the wheat bran cellulose was detd. with 78% redn. in the cellulose crystallinity index. The validation of the dil. phosphoric acid pretreatment in a demo plant is also reported for the first time. Enzymic hydrolysis of pretreated slurry from the demo plant showed 85% total theor. yield of polysaccharides. Compared to the untreated bran biomass, an increase of 51% was obsd. in the ethanol yield following pretreatment, with a total ethanol yield of 95% theor. max. Higher yield of ethanol is also attributed to the xylose fermenting capability of the fungi. [on SciFinder(R)]
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Nyckelord
- Dilute phosphoric acid
- Edible fungi
- Ethanol fermentation
- Neurospora intermedia
- Pretreatment
- Wheat bran
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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