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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04856naa a2200409 4500 | |
| 001 | oai:lup.lub.lu.se:1ba1f79b-a9bd-40d8-ad82-ed34056207a2 | |
| 003 | SwePub | |
| 008 | 170523s2017 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://lup.lub.lu.se/record/1ba1f79b-a9bd-40d8-ad82-ed34056207a22 URI |
| 024 | 7 | a https://doi.org/10.1007/s12155-017-9841-82 DOI |
| 040 | a (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Nielsen, Fredriku Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)chem-fdn |
| 245 | 1 0 | a Sequential Targeting of Xylose and Glucose Conversion in Fed-Batch Simultaneous Saccharification and Co-fermentation of Steam-Pretreated Wheat Straw for Improved Xylose Conversion to Ethanol |
| 264 | c 2017-05-11 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2017 |
| 520 | a Efficient conversion of both glucose and xylose in lignocellulosic biomass is necessary to make second-generation bioethanol from agricultural residues competitive with first-generation bioethanol and gasoline. Simultaneous saccharification and co-fermentation (SSCF) is a promising strategy for obtaining high ethanol yields. However, with this method, the xylose-fermenting capacity and viability of yeast tend to decline over time and restrict the xylose utilization. In this study, we examined the ethanol production from steam-pretreated wheat straw using an established SSCF strategy with substrate and enzyme feeding that was previously applied to steam-pretreated corn cobs. Based on our findings, we propose an alternative SSCF strategy to sustain the xylose-fermenting capacity and improve the ethanol yield. The xylose-rich hydrolyzate liquor was separated from the glucose-rich solids, and phases were co-fermented sequentially. By prefermentation of the hydrolyzate liquor followed fed-batch SSCF, xylose, and glucose conversion could be targeted in succession. Because the xylose-fermenting capacity declines over time, while glucose is still converted, it was advantageous to target xylose conversion upfront. With our strategy, an overall ethanol yield of 84% of the theoretical maximum based on both xylose and glucose was reached for a slurry with higher inhibitor concentrations, versus 92% for a slurry with lower inhibitor concentrations. Xylose utilization exceeded 90% after SSCF for both slurries. Sequential targeting of xylose and glucose conversion sustained xylose fermentation and improved xylose utilization and ethanol yield compared with fed-batch SSCF of whole slurry. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Naturresursteknikx Energisystem0 (SwePub)207022 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Environmental Engineeringx Energy Systems0 (SwePub)207022 hsv//eng |
| 653 | a Co-fermentation | |
| 653 | a Ethanol | |
| 653 | a Lignocellulose | |
| 653 | a Prefermentation | |
| 653 | a Saccharomyces cerevisiae | |
| 653 | a Xylose | |
| 700 | 1 | a Zacchi, Guidou Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)kat-gza |
| 700 | 1 | a Galbe, Matsu Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)kat-mga |
| 700 | 1 | a Wallberg, Olau Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)kat-owa |
| 710 | 2 | a Avdelningen för kemiteknikb Institutionen för processteknik och tillämpad biovetenskap4 org |
| 773 | 0 | t Bioenergy Researchd : Springer Science and Business Media LLCg 10:3, s. 800-810q 10:3<800-810x 1939-1234x 1939-1242 |
| 856 | 4 | u http://dx.doi.org/10.1007/s12155-017-9841-8x freey FULLTEXT |
| 856 | 4 | u https://link.springer.com/content/pdf/10.1007%2Fs12155-017-9841-8.pdf |
| 856 | 4 8 | u https://lup.lub.lu.se/record/1ba1f79b-a9bd-40d8-ad82-ed34056207a2 |
| 856 | 4 8 | u https://doi.org/10.1007/s12155-017-9841-8 |
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