A consolidated bio-processing of ethanol from cassava pulp accompanied by hydrogen production
► A consolidated bio-processing of ethanol from cassava pulp was developed. ► Ethanol fermentation was accompanied by hydrogen production. ► Synergism of Clostridium thermocellum and Thermoanaerobacterium aotearoense was discovered. ► Stoichiometry of ethanol and hydrogen fermentation was establishe...
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| Veröffentlicht in: | Bioresource technology 2011-11, Vol.102 (22), p.10471-10479 |
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| creator | Li, Ping Zhu, Mingjun |
| description | ► A consolidated bio-processing of ethanol from cassava pulp was developed. ► Ethanol fermentation was accompanied by hydrogen production. ► Synergism of Clostridium thermocellum and Thermoanaerobacterium aotearoense was discovered. ► Stoichiometry of ethanol and hydrogen fermentation was established.
A biphasic fermentation approach was undertaken for the production of ethanol and hydrogen from cassava pulp. The glucose generated by co-culture of Clostridium thermocellum and Thermoanaerobacterium aotearoense was 13.65±0.45gL−1, which was 1.75 and 1.17-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. The accumulated glucose could be utilised rapidly by subsequently inoculated Saccharomyces cerevisiae. An inoculum ratio of 1:1, a thermophilic fermentation of 84h, and a pulp concentration of 4% proved optimal for ethanol production, fermentation efficiency, and productivity. With these conditions, the ethanol level reached 8.83±0.31gL−1 with a fermentation efficiency of 64.95±2.71%. Hydrogen production of 4.06mmol by the co-culture system was 1.54 and 2.09-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. This sequential co-culture approach provided a consolidated bio-processing means to produce ethanol and hydrogen from cassava pulp. |
| doi_str_mv | 10.1016/j.biortech.2011.08.134 |
| format | Article |
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A biphasic fermentation approach was undertaken for the production of ethanol and hydrogen from cassava pulp. The glucose generated by co-culture of Clostridium thermocellum and Thermoanaerobacterium aotearoense was 13.65±0.45gL−1, which was 1.75 and 1.17-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. The accumulated glucose could be utilised rapidly by subsequently inoculated Saccharomyces cerevisiae. An inoculum ratio of 1:1, a thermophilic fermentation of 84h, and a pulp concentration of 4% proved optimal for ethanol production, fermentation efficiency, and productivity. With these conditions, the ethanol level reached 8.83±0.31gL−1 with a fermentation efficiency of 64.95±2.71%. Hydrogen production of 4.06mmol by the co-culture system was 1.54 and 2.09-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. This sequential co-culture approach provided a consolidated bio-processing means to produce ethanol and hydrogen from cassava pulp.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2011.08.134</identifier><identifier>PMID: 21962537</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Biological and medical sciences ; Biotechnology - methods ; Carbon Dioxide - analysis ; Cassava ; Cassava pulp ; Clostridium thermocellum ; Clostridium thermocellum - metabolism ; Co-culture ; Coculture Techniques ; Consolidated bio-processing ; Consolidation ; Ethanol ; Ethanol - chemical synthesis ; Ethyl alcohol ; Fermentation ; Fundamental and applied biological sciences. Psychology ; Glucose ; Hydrogen ; Hydrogen - metabolism ; Hydrogen production ; Hydrogen-Ion Concentration ; Manihot - chemistry ; Manihot esculenta ; Saccharomyces cerevisiae ; Thermoanaerobacterium - metabolism ; Time Factors ; Waste Products - analysis</subject><ispartof>Bioresource technology, 2011-11, Vol.102 (22), p.10471-10479</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c462t-aed6717dc9c2884636abc8a4b8e190e41b2b716b444fa18b1496f497cd6fb9a43</citedby><cites>FETCH-LOGICAL-c462t-aed6717dc9c2884636abc8a4b8e190e41b2b716b444fa18b1496f497cd6fb9a43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960852411012673$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24703955$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21962537$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Ping</creatorcontrib><creatorcontrib>Zhu, Mingjun</creatorcontrib><title>A consolidated bio-processing of ethanol from cassava pulp accompanied by hydrogen production</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>► A consolidated bio-processing of ethanol from cassava pulp was developed. ► Ethanol fermentation was accompanied by hydrogen production. ► Synergism of Clostridium thermocellum and Thermoanaerobacterium aotearoense was discovered. ► Stoichiometry of ethanol and hydrogen fermentation was established.
A biphasic fermentation approach was undertaken for the production of ethanol and hydrogen from cassava pulp. The glucose generated by co-culture of Clostridium thermocellum and Thermoanaerobacterium aotearoense was 13.65±0.45gL−1, which was 1.75 and 1.17-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. The accumulated glucose could be utilised rapidly by subsequently inoculated Saccharomyces cerevisiae. An inoculum ratio of 1:1, a thermophilic fermentation of 84h, and a pulp concentration of 4% proved optimal for ethanol production, fermentation efficiency, and productivity. With these conditions, the ethanol level reached 8.83±0.31gL−1 with a fermentation efficiency of 64.95±2.71%. Hydrogen production of 4.06mmol by the co-culture system was 1.54 and 2.09-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. This sequential co-culture approach provided a consolidated bio-processing means to produce ethanol and hydrogen from cassava pulp.</description><subject>Biological and medical sciences</subject><subject>Biotechnology - methods</subject><subject>Carbon Dioxide - analysis</subject><subject>Cassava</subject><subject>Cassava pulp</subject><subject>Clostridium thermocellum</subject><subject>Clostridium thermocellum - metabolism</subject><subject>Co-culture</subject><subject>Coculture Techniques</subject><subject>Consolidated bio-processing</subject><subject>Consolidation</subject><subject>Ethanol</subject><subject>Ethanol - chemical synthesis</subject><subject>Ethyl alcohol</subject><subject>Fermentation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glucose</subject><subject>Hydrogen</subject><subject>Hydrogen - metabolism</subject><subject>Hydrogen production</subject><subject>Hydrogen-Ion Concentration</subject><subject>Manihot - chemistry</subject><subject>Manihot esculenta</subject><subject>Saccharomyces cerevisiae</subject><subject>Thermoanaerobacterium - metabolism</subject><subject>Time Factors</subject><subject>Waste Products - analysis</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU2P0zAQhi0EYkvhL6x8QXBJsB3Xjm-sVnxJK3GBI7Kc8WTrKomDnazUf4-rduEGnObyvDOj9yHkmrOaM67eHeouxLQg7GvBOK9ZW_NGPiEb3uqmEkarp2TDjGJVuxPyirzI-cAYa7gWz8mV4EaJXaM35McNhTjlOATvFvS0bK3mFAFzDtM9jT3FZe-mONA-xZGCy9k9ODqvw0wdQBxnN4VT7kj3R5_iPU605P0KS4jTS_Ksd0PGV5e5Jd8_fvh2-7m6-_rpy-3NXQVSiaVy6JXm2oMB0bZSNcp10DrZtcgNQ8k70WmuOill73jbcWlUL40Gr_rOONlsyZvz3nL654p5sWPIgMPgJoxrtoZJqY026j9IphpxampL3v6V5OVlUQpWuqDqjEKKOSfs7ZzC6NLRcmZPuuzBPuqyJ12WtbboKsHry421G9H_jj36KcDrC-AyuKFPboKQ_3BSs8bsdoV7f-awtPwQMNkMASdAHxLCYn0M__rlF3P-txs</recordid><startdate>20111101</startdate><enddate>20111101</enddate><creator>Li, Ping</creator><creator>Zhu, Mingjun</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>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7X8</scope><scope>7QO</scope><scope>P64</scope></search><sort><creationdate>20111101</creationdate><title>A consolidated bio-processing of ethanol from cassava pulp accompanied by hydrogen production</title><author>Li, Ping ; Zhu, Mingjun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c462t-aed6717dc9c2884636abc8a4b8e190e41b2b716b444fa18b1496f497cd6fb9a43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Biological and medical sciences</topic><topic>Biotechnology - methods</topic><topic>Carbon Dioxide - analysis</topic><topic>Cassava</topic><topic>Cassava pulp</topic><topic>Clostridium thermocellum</topic><topic>Clostridium thermocellum - metabolism</topic><topic>Co-culture</topic><topic>Coculture Techniques</topic><topic>Consolidated bio-processing</topic><topic>Consolidation</topic><topic>Ethanol</topic><topic>Ethanol - chemical synthesis</topic><topic>Ethyl alcohol</topic><topic>Fermentation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glucose</topic><topic>Hydrogen</topic><topic>Hydrogen - metabolism</topic><topic>Hydrogen production</topic><topic>Hydrogen-Ion Concentration</topic><topic>Manihot - chemistry</topic><topic>Manihot esculenta</topic><topic>Saccharomyces cerevisiae</topic><topic>Thermoanaerobacterium - metabolism</topic><topic>Time Factors</topic><topic>Waste Products - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Ping</creatorcontrib><creatorcontrib>Zhu, Mingjun</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ping</au><au>Zhu, Mingjun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A consolidated bio-processing of ethanol from cassava pulp accompanied by hydrogen production</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2011-11-01</date><risdate>2011</risdate><volume>102</volume><issue>22</issue><spage>10471</spage><epage>10479</epage><pages>10471-10479</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>► A consolidated bio-processing of ethanol from cassava pulp was developed. ► Ethanol fermentation was accompanied by hydrogen production. ► Synergism of Clostridium thermocellum and Thermoanaerobacterium aotearoense was discovered. ► Stoichiometry of ethanol and hydrogen fermentation was established.
A biphasic fermentation approach was undertaken for the production of ethanol and hydrogen from cassava pulp. The glucose generated by co-culture of Clostridium thermocellum and Thermoanaerobacterium aotearoense was 13.65±0.45gL−1, which was 1.75 and 1.17-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. The accumulated glucose could be utilised rapidly by subsequently inoculated Saccharomyces cerevisiae. An inoculum ratio of 1:1, a thermophilic fermentation of 84h, and a pulp concentration of 4% proved optimal for ethanol production, fermentation efficiency, and productivity. With these conditions, the ethanol level reached 8.83±0.31gL−1 with a fermentation efficiency of 64.95±2.71%. Hydrogen production of 4.06mmol by the co-culture system was 1.54 and 2.09-fold greater than that produced by mono-cultures of C. thermocellum and T. aotearoense, respectively. This sequential co-culture approach provided a consolidated bio-processing means to produce ethanol and hydrogen from cassava pulp.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>21962537</pmid><doi>10.1016/j.biortech.2011.08.134</doi><tpages>9</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Biological and medical sciences Biotechnology - methods Carbon Dioxide - analysis Cassava Cassava pulp Clostridium thermocellum Clostridium thermocellum - metabolism Co-culture Coculture Techniques Consolidated bio-processing Consolidation Ethanol Ethanol - chemical synthesis Ethyl alcohol Fermentation Fundamental and applied biological sciences. Psychology Glucose Hydrogen Hydrogen - metabolism Hydrogen production Hydrogen-Ion Concentration Manihot - chemistry Manihot esculenta Saccharomyces cerevisiae Thermoanaerobacterium - metabolism Time Factors Waste Products - analysis |
| title | A consolidated bio-processing of ethanol from cassava pulp accompanied by hydrogen production |
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