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Lactic acid product...
Lactic acid production from renewable feedstock : fractionation, hydrolysis, and fermentation
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Gavilà, Llorenç (författare)
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Constantí, Magda (författare)
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Medina, Francisco (författare)
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Pezoa-Conte, Ricardo (författare)
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Anugwom, Ikenna (författare)
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- Mikkola, Jyri-Pekka (författare)
- Umeå universitet,Kemiska institutionen
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(creator_code:org_t)
- 2018-02-05
- 2018
- Engelska.
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Ingår i: Advanced Sustainable Systems. - : Wiley. - 2366-7486. ; 2:3
- Relaterad länk:
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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
- In this paper, an integrated fractionation with a switchable ionic liquid (SIL), pulp hydrolysis, and lactic acid fermentation is carried out. For this, SO2-swithced SIL is used for fractionation of sugar cane (Saccharum officinarum) bagasse and giant cane (Arundo donax, AD). SIL is able to extract ≈2/3 of lignin when relatively large wood chips (≈4 mm) are used without any mechanical agitation and just 1 h of treatment time for AD. Furthermore, SIL reuse is successfully demonstrated for four runs. Subsequently, the produced pulps are hydrolyzed within 15 min in a microwave reactor, producing a glucose rich hydrolysates. Finally, these hydrolysates are used as a carbohydrate source for Lactobacillus delbrueckii fermentation, which selectively transform all glucose present into optically pure D-lactic acid. Hence, the whole chain for lactic acid production from biomass is successfully demonstrated.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Nyckelord
- anaerobic fermentation
- hydrothermal hydrolysis
- ionic liquids
- lactic acid
- lignocellulosic biomass
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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