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Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system: Batch experiments
Giant reed is a suitable pioneer plant for metal-contaminated soil phytoremediation, however, it is imperative to dispose the metal-contaminated biomass after harvesting. The liquefaction of metal-contaminated giant reed biomass in ethylene glycol system with sulfuric acid as catalyst for the precur...
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Published in: | Journal of Central South University 2014-05, Vol.21 (5), p.1756-1762 |
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creator | Guo, Zhao-hui Liu, Ya-nan Wang, Feng-yong Xiao, Xi-yuan |
description | Giant reed is a suitable pioneer plant for metal-contaminated soil phytoremediation, however, it is imperative to dispose the metal-contaminated biomass after harvesting. The liquefaction of metal-contaminated giant reed biomass in ethylene glycol system with sulfuric acid as catalyst for the precursors of polyurethane compounds was studied. The results show that giant reed biomass from metal-contaminated soil is potentially liquefied and significantly affected by solvent/solid ratio, liquefaction temperature and liquefaction time (
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doi_str_mv | 10.1007/s11771-014-2121-2 |
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P
<0.05). The liquefaction rate of biomass in acidified ethylene glycol system can reach 85.2% with optimized conditions of 60 min, 170 °C, 3% sulfuric acid and solvent/biomass ratio of 5:1. The hydroxyl value of liquefied products is of 481 mg KOH/g while reactive hydroxyl groups of them are abundant, which is promised as potential precursors for polyurethane compounds. The solvent liquefaction is a potential method to dispose the metal-contaminated biomass, however, the containing-metal liquefied products should be studied deeply in order to get the suitable precursors in future.</description><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-014-2121-2</identifier><language>eng</language><publisher>Heidelberg: Central South University</publisher><subject>Engineering ; Metallic Materials</subject><ispartof>Journal of Central South University, 2014-05, Vol.21 (5), p.1756-1762</ispartof><rights>Central South University Press and Springer-Verlag Berlin Heidelberg 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-2addd4b5a47fa636de19de2dadada9193f8923fbc9684f2e7149d2186e1691283</citedby><cites>FETCH-LOGICAL-c350t-2addd4b5a47fa636de19de2dadada9193f8923fbc9684f2e7149d2186e1691283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Guo, Zhao-hui</creatorcontrib><creatorcontrib>Liu, Ya-nan</creatorcontrib><creatorcontrib>Wang, Feng-yong</creatorcontrib><creatorcontrib>Xiao, Xi-yuan</creatorcontrib><title>Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system: Batch experiments</title><title>Journal of Central South University</title><addtitle>J. Cent. South Univ</addtitle><description>Giant reed is a suitable pioneer plant for metal-contaminated soil phytoremediation, however, it is imperative to dispose the metal-contaminated biomass after harvesting. The liquefaction of metal-contaminated giant reed biomass in ethylene glycol system with sulfuric acid as catalyst for the precursors of polyurethane compounds was studied. The results show that giant reed biomass from metal-contaminated soil is potentially liquefied and significantly affected by solvent/solid ratio, liquefaction temperature and liquefaction time (
P
<0.05). The liquefaction rate of biomass in acidified ethylene glycol system can reach 85.2% with optimized conditions of 60 min, 170 °C, 3% sulfuric acid and solvent/biomass ratio of 5:1. The hydroxyl value of liquefied products is of 481 mg KOH/g while reactive hydroxyl groups of them are abundant, which is promised as potential precursors for polyurethane compounds. The solvent liquefaction is a potential method to dispose the metal-contaminated biomass, however, the containing-metal liquefied products should be studied deeply in order to get the suitable precursors in future.</description><subject>Engineering</subject><subject>Metallic Materials</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kN1KAzEQhYMoWLQP4F1eILoz-xvvtPgHBW_0OmSTSRvZzdZNCvbtTanXMhdzOMwZDh9jN1DcQlG0dxGgbUEUUAkEBIFnbIGIragRy_OsC1kL7KS8ZMsYfV-UgE3ZyGbBhrX_3pPTJvkp8MnxkZIehJlC0qMPOpHlG69D4jNl2ftp1DFyH7g23nrns0lpexgoEN8MBzMNPB5iovGeP-pktpx-djT7kUKK1-zC6SHS8m9fsc_np4_Vq1i_v7ytHtbClHWRBGprbdXXumqdzj0tgbSEVh9HgixdJ7F0vZFNVzmkFippEbqGoJGAXXnF4PTXzFOMMzm1yw30fFBQqCMxdSKmMjF1JKYwZ_CUifk2bGhWX9N-DrnmP6FfmPJwug</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>Guo, Zhao-hui</creator><creator>Liu, Ya-nan</creator><creator>Wang, Feng-yong</creator><creator>Xiao, Xi-yuan</creator><general>Central South University</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20140501</creationdate><title>Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system: Batch experiments</title><author>Guo, Zhao-hui ; Liu, Ya-nan ; Wang, Feng-yong ; Xiao, Xi-yuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-2addd4b5a47fa636de19de2dadada9193f8923fbc9684f2e7149d2186e1691283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Engineering</topic><topic>Metallic Materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Zhao-hui</creatorcontrib><creatorcontrib>Liu, Ya-nan</creatorcontrib><creatorcontrib>Wang, Feng-yong</creatorcontrib><creatorcontrib>Xiao, Xi-yuan</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Zhao-hui</au><au>Liu, Ya-nan</au><au>Wang, Feng-yong</au><au>Xiao, Xi-yuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system: Batch experiments</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ</stitle><date>2014-05-01</date><risdate>2014</risdate><volume>21</volume><issue>5</issue><spage>1756</spage><epage>1762</epage><pages>1756-1762</pages><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>Giant reed is a suitable pioneer plant for metal-contaminated soil phytoremediation, however, it is imperative to dispose the metal-contaminated biomass after harvesting. The liquefaction of metal-contaminated giant reed biomass in ethylene glycol system with sulfuric acid as catalyst for the precursors of polyurethane compounds was studied. The results show that giant reed biomass from metal-contaminated soil is potentially liquefied and significantly affected by solvent/solid ratio, liquefaction temperature and liquefaction time (
P
<0.05). The liquefaction rate of biomass in acidified ethylene glycol system can reach 85.2% with optimized conditions of 60 min, 170 °C, 3% sulfuric acid and solvent/biomass ratio of 5:1. The hydroxyl value of liquefied products is of 481 mg KOH/g while reactive hydroxyl groups of them are abundant, which is promised as potential precursors for polyurethane compounds. The solvent liquefaction is a potential method to dispose the metal-contaminated biomass, however, the containing-metal liquefied products should be studied deeply in order to get the suitable precursors in future.</abstract><cop>Heidelberg</cop><pub>Central South University</pub><doi>10.1007/s11771-014-2121-2</doi><tpages>7</tpages></addata></record> |
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title | Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system: Batch experiments |
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