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 precursor...
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| Veröffentlicht in: | Journal of Central South University 2014-05, Vol.21 (5), p.1756-1762 |
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| container_title | Journal of Central South University |
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| creator | 郭朝晖 刘亚男 王凤永 肖细元 |
| 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 ℃,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. |
| doi_str_mv | 10.1007/s11771-014-2121-2 |
| format | Article |
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South Univ</addtitle><addtitle>Journal of Central South University of Technology</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 ℃,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><subject>乙二醇</subject><subject>实验</subject><subject>液化时间</subject><subject>生物质</subject><subject>系统</subject><subject>芦竹</subject><subject>酸化</subject><subject>金属污染</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kE1OHDEQhVsRSCDgAOycdWTiKveflwlKINJIbMjacrfLPY663dA2ynSOkrNwJ66AR4OSHapFlUrvq1d6RXEJ4gqEaD5HgKYBLqDkCAgcPxSniNjwClEe5VmoimOr1ElxEaPvhASsZa3q0yJs_OMTOdMnPwc2OzZRMiPv55DM5INJZNngTUhsoTx2fp5MjMwHZnpvvfN5SWm7jhSIDePazyOLa0w0vTz_ZV9N6reMdg-0-IlCiufFsTNjpIu3flb8_P7t_vqWb-5uflx_2fBeViJxNNbasqtM2TiTP7UEyhJasy8FSrpWoXRdr-q2dEgNlMoitDVBrQBbeVZ8Otz9bYIzYdC_5qclZEf9Jwyr3e06TZjzEpUAzGo4qPtljnEhpx_yv2ZZNQi9T1gfEtaZ0PuE9Z7BAxOzNgy0_Ld4D_r4ZrSdw_CYuX9OpaqlVKWQr4LDjPI</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>郭朝晖 刘亚男 王凤永 肖细元</creator><general>Central South University</general><general>School of Metallurgy and Environment, Central South University, Changsha 410083, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20140501</creationdate><title>Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system： Batch experiments</title><author>郭朝晖 刘亚男 王凤永 肖细元</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><topic>乙二醇</topic><topic>实验</topic><topic>液化时间</topic><topic>生物质</topic><topic>系统</topic><topic>芦竹</topic><topic>酸化</topic><topic>金属污染</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>郭朝晖 刘亚男 王凤永 肖细元</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>郭朝晖 刘亚男 王凤永 肖细元</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><addtitle>Journal of Central South University of Technology</addtitle><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 ℃,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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| subjects | Engineering Metallic Materials 乙二醇 实验 液化时间 生物质 系统 芦竹 酸化 金属污染 |
| title | Liquefaction of metal-contaminated giant reed biomass in acidified ethylene glycol system： Batch experiments |
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