Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability
The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) wa...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Liu, Xiaoying [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Rechteinformationen: |
Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. |
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| Schlagwörter: |
Plant Components, Aerial - chemistry Potassium Compounds - chemistry |
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| Übergeordnetes Werk: |
Enthalten in: Bioresource technology - Barking, Essex : Elsevier Applied Science, 1991, 185(2015), Seite 150-157 |
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| Übergeordnetes Werk: |
volume:185 ; year:2015 ; pages:150-157 |
| Links: |
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| DOI / URN: |
10.1016/j.biortech.2015.02.047 |
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| 520 | |a The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. | ||
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| 650 | 4 | |a Triticum - chemistry | |
| 650 | 4 | |a Triticum - microbiology | |
| 650 | 4 | |a Methane - metabolism | |
| 650 | 4 | |a Hydroxides - chemistry | |
| 650 | 4 | |a Plant Components, Aerial - chemistry | |
| 650 | 4 | |a Potassium Compounds - chemistry | |
| 650 | 4 | |a Methane - isolation & purification | |
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| 700 | 1 | |a Liu, Guangqing |4 oth | |
| 700 | 1 | |a Li, Yeqing |4 oth | |
| 700 | 1 | |a Zhang, Ruihong |4 oth | |
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10.1016/j.biortech.2015.02.047 doi PQ20160617 (DE-627)OLC1966027664 (DE-599)GBVOLC1966027664 (PRQ)c1300-56a46fb7fc4cf04ddf354c43b33d0a1ac9ed5c69fddc75c0805c4ba21849ad8f0 (KEY)0052499920150000185000000150pretreatmentofwheatstrawwithpotassiumhydroxidefori DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Liu, Xiaoying verfasserin aut Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Triticum - chemistry Triticum - microbiology Methane - metabolism Hydroxides - chemistry Plant Components, Aerial - chemistry Potassium Compounds - chemistry Methane - isolation & purification Bacteria, Anaerobic - metabolism Zicari, Steven M oth Liu, Guangqing oth Li, Yeqing oth Zhang, Ruihong oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 185(2015), Seite 150-157 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:185 year:2015 pages:150-157 http://dx.doi.org/10.1016/j.biortech.2015.02.047 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25768417 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 185 2015 150-157 |
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10.1016/j.biortech.2015.02.047 doi PQ20160617 (DE-627)OLC1966027664 (DE-599)GBVOLC1966027664 (PRQ)c1300-56a46fb7fc4cf04ddf354c43b33d0a1ac9ed5c69fddc75c0805c4ba21849ad8f0 (KEY)0052499920150000185000000150pretreatmentofwheatstrawwithpotassiumhydroxidefori DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Liu, Xiaoying verfasserin aut Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Triticum - chemistry Triticum - microbiology Methane - metabolism Hydroxides - chemistry Plant Components, Aerial - chemistry Potassium Compounds - chemistry Methane - isolation & purification Bacteria, Anaerobic - metabolism Zicari, Steven M oth Liu, Guangqing oth Li, Yeqing oth Zhang, Ruihong oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 185(2015), Seite 150-157 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:185 year:2015 pages:150-157 http://dx.doi.org/10.1016/j.biortech.2015.02.047 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25768417 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 185 2015 150-157 |
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10.1016/j.biortech.2015.02.047 doi PQ20160617 (DE-627)OLC1966027664 (DE-599)GBVOLC1966027664 (PRQ)c1300-56a46fb7fc4cf04ddf354c43b33d0a1ac9ed5c69fddc75c0805c4ba21849ad8f0 (KEY)0052499920150000185000000150pretreatmentofwheatstrawwithpotassiumhydroxidefori DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Liu, Xiaoying verfasserin aut Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Triticum - chemistry Triticum - microbiology Methane - metabolism Hydroxides - chemistry Plant Components, Aerial - chemistry Potassium Compounds - chemistry Methane - isolation & purification Bacteria, Anaerobic - metabolism Zicari, Steven M oth Liu, Guangqing oth Li, Yeqing oth Zhang, Ruihong oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 185(2015), Seite 150-157 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:185 year:2015 pages:150-157 http://dx.doi.org/10.1016/j.biortech.2015.02.047 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25768417 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 185 2015 150-157 |
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10.1016/j.biortech.2015.02.047 doi PQ20160617 (DE-627)OLC1966027664 (DE-599)GBVOLC1966027664 (PRQ)c1300-56a46fb7fc4cf04ddf354c43b33d0a1ac9ed5c69fddc75c0805c4ba21849ad8f0 (KEY)0052499920150000185000000150pretreatmentofwheatstrawwithpotassiumhydroxidefori DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Liu, Xiaoying verfasserin aut Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Triticum - chemistry Triticum - microbiology Methane - metabolism Hydroxides - chemistry Plant Components, Aerial - chemistry Potassium Compounds - chemistry Methane - isolation & purification Bacteria, Anaerobic - metabolism Zicari, Steven M oth Liu, Guangqing oth Li, Yeqing oth Zhang, Ruihong oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 185(2015), Seite 150-157 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:185 year:2015 pages:150-157 http://dx.doi.org/10.1016/j.biortech.2015.02.047 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25768417 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 185 2015 150-157 |
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10.1016/j.biortech.2015.02.047 doi PQ20160617 (DE-627)OLC1966027664 (DE-599)GBVOLC1966027664 (PRQ)c1300-56a46fb7fc4cf04ddf354c43b33d0a1ac9ed5c69fddc75c0805c4ba21849ad8f0 (KEY)0052499920150000185000000150pretreatmentofwheatstrawwithpotassiumhydroxidefori DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Liu, Xiaoying verfasserin aut Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Triticum - chemistry Triticum - microbiology Methane - metabolism Hydroxides - chemistry Plant Components, Aerial - chemistry Potassium Compounds - chemistry Methane - isolation & purification Bacteria, Anaerobic - metabolism Zicari, Steven M oth Liu, Guangqing oth Li, Yeqing oth Zhang, Ruihong oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 185(2015), Seite 150-157 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:185 year:2015 pages:150-157 http://dx.doi.org/10.1016/j.biortech.2015.02.047 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25768417 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 185 2015 150-157 |
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The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. 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pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability |
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Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability |
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The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. |
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The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. |
| abstract_unstemmed |
The pretreatment of wheat straw with potassium hydroxide (KOH) at ambient temperature (20°C) was investigated. The pretreatment effects on chemical composition and physical structures, and subsequent enzymatic hydrolysis and anaerobic digestion were evaluated. Wheat straw at 10% total solids (TS) was treated with KOH solution for 24h at a wide range of KOH loadings from 2% to 50% (w/w dry basis). Higher KOH loading resulted in higher lignin reduction from the straw and chemical oxygen demand (COD) in the resulting black liquor. Maximum lignin reduction of 54.7% was observed at 50% KOH loading. In comparison to untreated straw, specific hydrolysis yields achieved 14.0-92.3% over the range of 2-50% KOH loading, and methane yields increased 16.7-77.5% for KOH loadings of 10-50%, respectively. Accounting for losses during pretreatment, 20% KOH loading resulted in maximum overall reducing sugar yield and methane yield and therefore is the recommended loading for pretreatment under these conditions. |
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Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability |
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