Influence of physico-chemical changes on enzymatic digestibility of ionic liquid and AFEX pretreated corn stover
► The first side-by-side comparison of ionic liquid (IL) and ammonia fiber expansion pretreatment (AFEX) on the same biomass. ► AFEX pretreatment completely preserves plant carbohydrates, but IL removes 76% hemicellulose and 84% lignin. ► The native crystal structure of IL pretreated biomass is high...
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| Veröffentlicht in: | Bioresource technology 2011-07, Vol.102 (13), p.6928-6936 |
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| creator | Li, Chenlin Cheng, Gang Balan, Venkatesh Kent, Michael S. Ong, Markus Chundawat, Shishir P.S. Sousa, Leonardo daCosta Melnichenko, Yuri B. Dale, Bruce E. Simmons, Blake A. Singh, Seema |
| description | ► The first side-by-side comparison of ionic liquid (IL) and ammonia fiber expansion pretreatment (AFEX) on the same biomass. ► AFEX pretreatment completely preserves plant carbohydrates, but IL removes 76% hemicellulose and 84% lignin. ► The native crystal structure of IL pretreated biomass is highly disrupted with increased surface area and porosity. ► Both techniques achieve over 70% of sugar recovery, but IL pretreatment requires less enzyme loading and faster hydrolysis.
Ionic liquid (IL) and ammonia fiber expansion (AFEX) pretreatments were studied to develop the first direct side-by-side comparative assessment on their respective impacts on biomass structure, composition, process mass balance, and enzymatic saccharification efficiency. AFEX pretreatment completely preserves plant carbohydrates, whereas IL pretreatment extracts 76% of hemicellulose. In contrast to AFEX, the native crystal structure of the recovered corn stover from IL pretreatment was significantly disrupted. For both techniques, more than 70% of the theoretical sugar yield was attained after 48
h of hydrolysis using commercial enzyme cocktails. IL pretreatment requires less enzyme loading and a shorter hydrolysis time to reach 90% yields. Hemicellulase addition led to significant improvements in the yields of glucose and xylose for AFEX pretreated corn stover, but not for IL pretreated stover. These results provide new insights into the mechanisms of IL and AFEX pretreatment, as well as the advantages and disadvantages of each. |
| doi_str_mv | 10.1016/j.biortech.2011.04.005 |
| format | Article |
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Ionic liquid (IL) and ammonia fiber expansion (AFEX) pretreatments were studied to develop the first direct side-by-side comparative assessment on their respective impacts on biomass structure, composition, process mass balance, and enzymatic saccharification efficiency. AFEX pretreatment completely preserves plant carbohydrates, whereas IL pretreatment extracts 76% of hemicellulose. In contrast to AFEX, the native crystal structure of the recovered corn stover from IL pretreatment was significantly disrupted. For both techniques, more than 70% of the theoretical sugar yield was attained after 48
h of hydrolysis using commercial enzyme cocktails. IL pretreatment requires less enzyme loading and a shorter hydrolysis time to reach 90% yields. Hemicellulase addition led to significant improvements in the yields of glucose and xylose for AFEX pretreated corn stover, but not for IL pretreated stover. These results provide new insights into the mechanisms of IL and AFEX pretreatment, as well as the advantages and disadvantages of each.</description><identifier>ISSN: 0960-8524</identifier><identifier>ISSN: 0002-7863</identifier><identifier>EISSN: 1873-2976</identifier><identifier>EISSN: 1520-5126</identifier><identifier>DOI: 10.1016/j.biortech.2011.04.005</identifier><identifier>PMID: 21531133</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>09 BIOMASS FUELS ; AFEX ; AGRICULTURAL WASTES ; Agronomy. Soil science and plant productions ; AMMONIA ; Ammonia - pharmacology ; Biological and medical sciences ; BIOMASS ; Biotechnology ; Biotechnology - methods ; CARBOHYDRATES ; Carbohydrates - chemistry ; Cellulose - analysis ; Chemical Phenomena - drug effects ; CRYSTAL STRUCTURE ; Crystallinity ; Crystallization ; EFFICIENCY ; Enzymatic saccharification ; ENZYMES ; Enzymes - metabolism ; FIBERS ; Food industries ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; GLUCOSE ; HEMICELLULOSE ; HYDROLYSIS ; Hydrolysis - drug effects ; Ionic liquid ; Ionic Liquids - pharmacology ; Lignin - analysis ; MAIZE ; MASS BALANCE ; MOLTEN SALTS ; Neutron Diffraction ; Porosity - drug effects ; SACCHARIFICATION ; SACCHAROSE ; Scattering, Small Angle ; Spectroscopy, Fourier Transform Infrared ; Surface area ; Surface Properties - drug effects ; Use and upgrading of agricultural and food by-products. Biotechnology ; Use of agricultural and forest wastes. Biomass use, bioconversion ; Waste Products - analysis ; XYLOSE ; Zea mays - drug effects</subject><ispartof>Bioresource technology, 2011-07, Vol.102 (13), p.6928-6936</ispartof><rights>2011</rights><rights>2015 INIST-CNRS</rights><rights>Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c522t-df767265c988ad3b4f596bdca31edd62ec4778088f52a0cbe72b825488d5b8bc3</citedby><cites>FETCH-LOGICAL-c522t-df767265c988ad3b4f596bdca31edd62ec4778088f52a0cbe72b825488d5b8bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2011.04.005$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24260123$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21531133$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1015020$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Chenlin</creatorcontrib><creatorcontrib>Cheng, Gang</creatorcontrib><creatorcontrib>Balan, Venkatesh</creatorcontrib><creatorcontrib>Kent, Michael S.</creatorcontrib><creatorcontrib>Ong, Markus</creatorcontrib><creatorcontrib>Chundawat, Shishir P.S.</creatorcontrib><creatorcontrib>Sousa, Leonardo daCosta</creatorcontrib><creatorcontrib>Melnichenko, Yuri B.</creatorcontrib><creatorcontrib>Dale, Bruce E.</creatorcontrib><creatorcontrib>Simmons, Blake A.</creatorcontrib><creatorcontrib>Singh, Seema</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>High Flux Isotope Reactor</creatorcontrib><title>Influence of physico-chemical changes on enzymatic digestibility of ionic liquid and AFEX pretreated corn stover</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>► The first side-by-side comparison of ionic liquid (IL) and ammonia fiber expansion pretreatment (AFEX) on the same biomass. ► AFEX pretreatment completely preserves plant carbohydrates, but IL removes 76% hemicellulose and 84% lignin. ► The native crystal structure of IL pretreated biomass is highly disrupted with increased surface area and porosity. ► Both techniques achieve over 70% of sugar recovery, but IL pretreatment requires less enzyme loading and faster hydrolysis.
Ionic liquid (IL) and ammonia fiber expansion (AFEX) pretreatments were studied to develop the first direct side-by-side comparative assessment on their respective impacts on biomass structure, composition, process mass balance, and enzymatic saccharification efficiency. AFEX pretreatment completely preserves plant carbohydrates, whereas IL pretreatment extracts 76% of hemicellulose. In contrast to AFEX, the native crystal structure of the recovered corn stover from IL pretreatment was significantly disrupted. For both techniques, more than 70% of the theoretical sugar yield was attained after 48
h of hydrolysis using commercial enzyme cocktails. IL pretreatment requires less enzyme loading and a shorter hydrolysis time to reach 90% yields. Hemicellulase addition led to significant improvements in the yields of glucose and xylose for AFEX pretreated corn stover, but not for IL pretreated stover. These results provide new insights into the mechanisms of IL and AFEX pretreatment, as well as the advantages and disadvantages of each.</description><subject>09 BIOMASS FUELS</subject><subject>AFEX</subject><subject>AGRICULTURAL WASTES</subject><subject>Agronomy. Soil science and plant productions</subject><subject>AMMONIA</subject><subject>Ammonia - pharmacology</subject><subject>Biological and medical sciences</subject><subject>BIOMASS</subject><subject>Biotechnology</subject><subject>Biotechnology - methods</subject><subject>CARBOHYDRATES</subject><subject>Carbohydrates - chemistry</subject><subject>Cellulose - analysis</subject><subject>Chemical Phenomena - drug effects</subject><subject>CRYSTAL STRUCTURE</subject><subject>Crystallinity</subject><subject>Crystallization</subject><subject>EFFICIENCY</subject><subject>Enzymatic saccharification</subject><subject>ENZYMES</subject><subject>Enzymes - metabolism</subject><subject>FIBERS</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>GLUCOSE</subject><subject>HEMICELLULOSE</subject><subject>HYDROLYSIS</subject><subject>Hydrolysis - drug effects</subject><subject>Ionic liquid</subject><subject>Ionic Liquids - pharmacology</subject><subject>Lignin - analysis</subject><subject>MAIZE</subject><subject>MASS BALANCE</subject><subject>MOLTEN SALTS</subject><subject>Neutron Diffraction</subject><subject>Porosity - drug effects</subject><subject>SACCHARIFICATION</subject><subject>SACCHAROSE</subject><subject>Scattering, Small Angle</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Surface area</subject><subject>Surface Properties - drug effects</subject><subject>Use and upgrading of agricultural and food by-products. Biotechnology</subject><subject>Use of agricultural and forest wastes. Biomass use, bioconversion</subject><subject>Waste Products - analysis</subject><subject>XYLOSE</subject><subject>Zea mays - drug effects</subject><issn>0960-8524</issn><issn>0002-7863</issn><issn>1873-2976</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc1q3DAUhUVpaaZpXyGIQunKrn4sWd41hKQJBLppoTshS9cdDbbkSJ7A5OkrM5Nm2a4El-_o3HsOQheU1JRQ-WVX9z6mBey2ZoTSmjQ1IeIV2lDV8op1rXyNNqSTpFKCNWfoXc47QginLXuLzhgVnFLON2i-C8O4h2ABxwHP20P2NlZ2C5O3ZsR2a8JvyDgGDOHpMJnFW-x8GS2-96NfDqvMx1DGo3_Ye4dNcPjy5voXnhMsCcwCDtuYAs5LfIT0Hr0ZzJjhw-k9Rz9vrn9c3Vb337_dXV3eV1YwtlRuaGXLpLCdUsbxvhlEJ3tnDafgnGRgm7ZVRKlBMENsDy3rFRONUk70qrf8HH08_hvLqjpbv2ZlYwhgF10iFISRAn0-QnOKD_tylJ58tjCOJkDcZ60UJ42i6j9IqbpOMc4KKY-kTTHnBIOek59MOhTX1VjqnX7uTq_dadLo0l0RXpws9v0E7q_suawCfDoBJpdyhmSC9fmFa5gklK3c1yMHJd9HD2k9f63Y-bRe76L_1y5_AAoIu6Y</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Li, Chenlin</creator><creator>Cheng, Gang</creator><creator>Balan, Venkatesh</creator><creator>Kent, Michael S.</creator><creator>Ong, Markus</creator><creator>Chundawat, Shishir P.S.</creator><creator>Sousa, Leonardo daCosta</creator><creator>Melnichenko, Yuri B.</creator><creator>Dale, Bruce E.</creator><creator>Simmons, Blake A.</creator><creator>Singh, Seema</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>OTOTI</scope></search><sort><creationdate>20110701</creationdate><title>Influence of physico-chemical changes on enzymatic digestibility of ionic liquid and AFEX pretreated corn stover</title><author>Li, Chenlin ; Cheng, Gang ; Balan, Venkatesh ; Kent, Michael S. ; Ong, Markus ; Chundawat, Shishir P.S. ; Sousa, Leonardo daCosta ; Melnichenko, Yuri B. ; Dale, Bruce E. ; Simmons, Blake A. ; Singh, Seema</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c522t-df767265c988ad3b4f596bdca31edd62ec4778088f52a0cbe72b825488d5b8bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>09 BIOMASS FUELS</topic><topic>AFEX</topic><topic>AGRICULTURAL WASTES</topic><topic>Agronomy. Soil science and plant productions</topic><topic>AMMONIA</topic><topic>Ammonia - pharmacology</topic><topic>Biological and medical sciences</topic><topic>BIOMASS</topic><topic>Biotechnology</topic><topic>Biotechnology - methods</topic><topic>CARBOHYDRATES</topic><topic>Carbohydrates - chemistry</topic><topic>Cellulose - analysis</topic><topic>Chemical Phenomena - drug effects</topic><topic>CRYSTAL STRUCTURE</topic><topic>Crystallinity</topic><topic>Crystallization</topic><topic>EFFICIENCY</topic><topic>Enzymatic saccharification</topic><topic>ENZYMES</topic><topic>Enzymes - metabolism</topic><topic>FIBERS</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>GLUCOSE</topic><topic>HEMICELLULOSE</topic><topic>HYDROLYSIS</topic><topic>Hydrolysis - drug effects</topic><topic>Ionic liquid</topic><topic>Ionic Liquids - pharmacology</topic><topic>Lignin - analysis</topic><topic>MAIZE</topic><topic>MASS BALANCE</topic><topic>MOLTEN SALTS</topic><topic>Neutron Diffraction</topic><topic>Porosity - drug effects</topic><topic>SACCHARIFICATION</topic><topic>SACCHAROSE</topic><topic>Scattering, Small Angle</topic><topic>Spectroscopy, Fourier Transform Infrared</topic><topic>Surface area</topic><topic>Surface Properties - drug effects</topic><topic>Use and upgrading of agricultural and food by-products. Biotechnology</topic><topic>Use of agricultural and forest wastes. Biomass use, bioconversion</topic><topic>Waste Products - analysis</topic><topic>XYLOSE</topic><topic>Zea mays - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Chenlin</creatorcontrib><creatorcontrib>Cheng, Gang</creatorcontrib><creatorcontrib>Balan, Venkatesh</creatorcontrib><creatorcontrib>Kent, Michael S.</creatorcontrib><creatorcontrib>Ong, Markus</creatorcontrib><creatorcontrib>Chundawat, Shishir P.S.</creatorcontrib><creatorcontrib>Sousa, Leonardo daCosta</creatorcontrib><creatorcontrib>Melnichenko, Yuri B.</creatorcontrib><creatorcontrib>Dale, Bruce E.</creatorcontrib><creatorcontrib>Simmons, Blake A.</creatorcontrib><creatorcontrib>Singh, Seema</creatorcontrib><creatorcontrib>Oak Ridge National Lab. 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(ORNL), Oak Ridge, TN (United States)</aucorp><aucorp>High Flux Isotope Reactor</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of physico-chemical changes on enzymatic digestibility of ionic liquid and AFEX pretreated corn stover</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2011-07-01</date><risdate>2011</risdate><volume>102</volume><issue>13</issue><spage>6928</spage><epage>6936</epage><pages>6928-6936</pages><issn>0960-8524</issn><issn>0002-7863</issn><eissn>1873-2976</eissn><eissn>1520-5126</eissn><abstract>► The first side-by-side comparison of ionic liquid (IL) and ammonia fiber expansion pretreatment (AFEX) on the same biomass. ► AFEX pretreatment completely preserves plant carbohydrates, but IL removes 76% hemicellulose and 84% lignin. ► The native crystal structure of IL pretreated biomass is highly disrupted with increased surface area and porosity. ► Both techniques achieve over 70% of sugar recovery, but IL pretreatment requires less enzyme loading and faster hydrolysis.
Ionic liquid (IL) and ammonia fiber expansion (AFEX) pretreatments were studied to develop the first direct side-by-side comparative assessment on their respective impacts on biomass structure, composition, process mass balance, and enzymatic saccharification efficiency. AFEX pretreatment completely preserves plant carbohydrates, whereas IL pretreatment extracts 76% of hemicellulose. In contrast to AFEX, the native crystal structure of the recovered corn stover from IL pretreatment was significantly disrupted. For both techniques, more than 70% of the theoretical sugar yield was attained after 48
h of hydrolysis using commercial enzyme cocktails. IL pretreatment requires less enzyme loading and a shorter hydrolysis time to reach 90% yields. Hemicellulase addition led to significant improvements in the yields of glucose and xylose for AFEX pretreated corn stover, but not for IL pretreated stover. These results provide new insights into the mechanisms of IL and AFEX pretreatment, as well as the advantages and disadvantages of each.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>21531133</pmid><doi>10.1016/j.biortech.2011.04.005</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0960-8524 |
| ispartof | Bioresource technology, 2011-07, Vol.102 (13), p.6928-6936 |
| issn | 0960-8524 0002-7863 1873-2976 1520-5126 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1015020 |
| source | MEDLINE; Elsevier ScienceDirect Journals; American Chemical Society Journals |
| subjects | 09 BIOMASS FUELS AFEX AGRICULTURAL WASTES Agronomy. Soil science and plant productions AMMONIA Ammonia - pharmacology Biological and medical sciences BIOMASS Biotechnology Biotechnology - methods CARBOHYDRATES Carbohydrates - chemistry Cellulose - analysis Chemical Phenomena - drug effects CRYSTAL STRUCTURE Crystallinity Crystallization EFFICIENCY Enzymatic saccharification ENZYMES Enzymes - metabolism FIBERS Food industries Fundamental and applied biological sciences. Psychology General agronomy. Plant production GLUCOSE HEMICELLULOSE HYDROLYSIS Hydrolysis - drug effects Ionic liquid Ionic Liquids - pharmacology Lignin - analysis MAIZE MASS BALANCE MOLTEN SALTS Neutron Diffraction Porosity - drug effects SACCHARIFICATION SACCHAROSE Scattering, Small Angle Spectroscopy, Fourier Transform Infrared Surface area Surface Properties - drug effects Use and upgrading of agricultural and food by-products. Biotechnology Use of agricultural and forest wastes. Biomass use, bioconversion Waste Products - analysis XYLOSE Zea mays - drug effects |
| title | Influence of physico-chemical changes on enzymatic digestibility of ionic liquid and AFEX pretreated corn stover |
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