Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping

Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of...
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Autor*in:	Heli Cheng [verfasserIn] Jinling Li [verfasserIn] Qinghua Feng [verfasserIn] Huaiyu Zhan [verfasserIn] Yimin Xie [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Hemicellulose Xylan Hot water extraction Pulping

Übergeordnetes Werk:	In: BioResources - North Carolina State University, 2018, 9(2014), 2, Seite 2671-2680
Übergeordnetes Werk:	volume:9 ; year:2014 ; number:2 ; pages:2671-2680

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.15376/biores.9.2.2671-2680

Katalog-ID:	DOAJ045214417

Internformat


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allfields	10.15376/biores.9.2.2671-2680 doi (DE-627)DOAJ045214417 (DE-599)DOAJf2df09588c224068b64f5298424f7644 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Heli Cheng verfasserin aut Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength. Hemicellulose Xylan Hot water extraction Pulping Biotechnology Jinling Li verfasserin aut Qinghua Feng verfasserin aut Huaiyu Zhan verfasserin aut Yimin Xie verfasserin aut In BioResources North Carolina State University, 2018 9(2014), 2, Seite 2671-2680 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:9 year:2014 number:2 pages:2671-2680 https://doi.org/10.15376/biores.9.2.2671-2680 kostenfrei https://doaj.org/article/f2df09588c224068b64f5298424f7644 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2 2671-2680
spelling	10.15376/biores.9.2.2671-2680 doi (DE-627)DOAJ045214417 (DE-599)DOAJf2df09588c224068b64f5298424f7644 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Heli Cheng verfasserin aut Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength. Hemicellulose Xylan Hot water extraction Pulping Biotechnology Jinling Li verfasserin aut Qinghua Feng verfasserin aut Huaiyu Zhan verfasserin aut Yimin Xie verfasserin aut In BioResources North Carolina State University, 2018 9(2014), 2, Seite 2671-2680 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:9 year:2014 number:2 pages:2671-2680 https://doi.org/10.15376/biores.9.2.2671-2680 kostenfrei https://doaj.org/article/f2df09588c224068b64f5298424f7644 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2 2671-2680
allfields_unstemmed	10.15376/biores.9.2.2671-2680 doi (DE-627)DOAJ045214417 (DE-599)DOAJf2df09588c224068b64f5298424f7644 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Heli Cheng verfasserin aut Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength. Hemicellulose Xylan Hot water extraction Pulping Biotechnology Jinling Li verfasserin aut Qinghua Feng verfasserin aut Huaiyu Zhan verfasserin aut Yimin Xie verfasserin aut In BioResources North Carolina State University, 2018 9(2014), 2, Seite 2671-2680 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:9 year:2014 number:2 pages:2671-2680 https://doi.org/10.15376/biores.9.2.2671-2680 kostenfrei https://doaj.org/article/f2df09588c224068b64f5298424f7644 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2 2671-2680
allfieldsGer	10.15376/biores.9.2.2671-2680 doi (DE-627)DOAJ045214417 (DE-599)DOAJf2df09588c224068b64f5298424f7644 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Heli Cheng verfasserin aut Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength. Hemicellulose Xylan Hot water extraction Pulping Biotechnology Jinling Li verfasserin aut Qinghua Feng verfasserin aut Huaiyu Zhan verfasserin aut Yimin Xie verfasserin aut In BioResources North Carolina State University, 2018 9(2014), 2, Seite 2671-2680 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:9 year:2014 number:2 pages:2671-2680 https://doi.org/10.15376/biores.9.2.2671-2680 kostenfrei https://doaj.org/article/f2df09588c224068b64f5298424f7644 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2 2671-2680
allfieldsSound	10.15376/biores.9.2.2671-2680 doi (DE-627)DOAJ045214417 (DE-599)DOAJf2df09588c224068b64f5298424f7644 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Heli Cheng verfasserin aut Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength. Hemicellulose Xylan Hot water extraction Pulping Biotechnology Jinling Li verfasserin aut Qinghua Feng verfasserin aut Huaiyu Zhan verfasserin aut Yimin Xie verfasserin aut In BioResources North Carolina State University, 2018 9(2014), 2, Seite 2671-2680 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:9 year:2014 number:2 pages:2671-2680 https://doi.org/10.15376/biores.9.2.2671-2680 kostenfrei https://doaj.org/article/f2df09588c224068b64f5298424f7644 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2 2671-2680
language	English
source	In BioResources 9(2014), 2, Seite 2671-2680 volume:9 year:2014 number:2 pages:2671-2680
sourceStr	In BioResources 9(2014), 2, Seite 2671-2680 volume:9 year:2014 number:2 pages:2671-2680
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Hemicellulose Xylan Hot water extraction Pulping Biotechnology
isfreeaccess_bool	true
container_title	BioResources
authorswithroles_txt_mv	Heli Cheng @@aut@@ Jinling Li @@aut@@ Qinghua Feng @@aut@@ Huaiyu Zhan @@aut@@ Yimin Xie @@aut@@
publishDateDaySort_date	2014-01-01T00:00:00Z
hierarchy_top_id	513216707
id	DOAJ045214417
language_de	englisch
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callnumber-first	T - Technology
author	Heli Cheng
spellingShingle	Heli Cheng misc TP248.13-248.65 misc Hemicellulose misc Xylan misc Hot water extraction misc Pulping misc Biotechnology Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping
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topic_title	TP248.13-248.65 Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping Hemicellulose Xylan Hot water extraction Pulping
topic	misc TP248.13-248.65 misc Hemicellulose misc Xylan misc Hot water extraction misc Pulping misc Biotechnology
topic_unstemmed	misc TP248.13-248.65 misc Hemicellulose misc Xylan misc Hot water extraction misc Pulping misc Biotechnology
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title	Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping
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title_full	Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping
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author_browse	Heli Cheng Jinling Li Qinghua Feng Huaiyu Zhan Yimin Xie
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title_sort	hot water extraction of corn stover: hemicellulose fractionation and its effect on subsequent soda-aq pulping
callnumber	TP248.13-248.65
title_auth	Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping
abstract	Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength.
abstractGer	Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength.
abstract_unstemmed	Fractionation of lignocellulosic biomass is an important process in producing biofuels. In this study, hot water extraction of corn stover hemicellulose was carried out at 150, 160, and 170 °C. Variations of sugar content in the hydrolysate under different holding time were detected. The contents of furfural and 5-hydroxymethyl-2-furaldehyde generated during the extraction were also determined. Results showed that the main composition of the hydrolysate was xylo-oligosaccharide; the yield of oligosaccharides first increased as holding time was prolonged. After extraction at 160 °C for 210 min, 70.2% of the total xylan was dissolved, with the generation of furfural (0.90 g/L) and 5-hydroxymethyl-2-furaldehyde (0.10 g/L). The effects of extraction on alkali pulping and bleaching were also investigated. Results indicated that soda-AQ pulp obtained from the extracted material had poorer tensile and burst strengths but better tear strength.
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title_short	Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping
url	https://doi.org/10.15376/biores.9.2.2671-2680 https://doaj.org/article/f2df09588c224068b64f5298424f7644 http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_2671_Cheng_Hot_Water_Extraction_Stover https://doaj.org/toc/1930-2126
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up_date	2024-07-03T13:40:00.777Z
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Hot Water Extraction of Corn Stover: Hemicellulose Fractionation and its Effect on Subsequent Soda-AQ Pulping

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