Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar
Cadmium （Cd） and lead （Pb） in water and soil could be adsorbed by biochar produced from corn straw. Biochar pyrolyzed under 400℃ for 2 h could reach the ideal removal efficiencies （99.24% and 98.62% for Cd and Pb, respectively） from water with the blochar dosage of 20 g. L^-1 and initial concentrati...
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| Veröffentlicht in: | Frontiers of environmental science & engineering 2017-04, Vol.11 (2), p.157-164, Article 15 |
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| creator | Chi, Tong Zuo, Jiane Liu, Fenglin |
| description | Cadmium （Cd） and lead （Pb） in water and soil could be adsorbed by biochar produced from corn straw. Biochar pyrolyzed under 400℃ for 2 h could reach the ideal removal efficiencies （99.24% and 98.62% for Cd and Pb, respectively） from water with the blochar dosage of 20 g. L^-1 and initial concentration of 20 mg.L^-1 . The pH value of 4-7 was the optimal range for adsorption reaction. The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray diffraction （XRD）, X-ray photoelectron spectroscopy （XPS）, Fourier transform infrared spectroscopy （FTIR） and Raman analysis; it was concluded as surface complexation with active sorption sites （-OH, -COO-）, coordination with 7c electrons （C = C, C = O） and precipitation with inorganic anions （OH-, CO3^2- , SO4^2- ） for both Cd and Pb. The sorption isotherms fit Langmuir model better than Freundlich model and the saturated sorptlon capacities for Cd and Pb were 38.91 mg·g^-1 and 28.99 mg.g^-1 , espectwely. When mixed with soil, biochar could effectively increase alkalinity and reduce bioavailability of heavy metals. Thus, biochar derived from corn straw would be a green material for both removal of heavy metals and amelioration of soil. |
| doi_str_mv | 10.1007/s11783-017-0921-y |
| format | Article |
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Biochar pyrolyzed under 400℃ for 2 h could reach the ideal removal efficiencies （99.24% and 98.62% for Cd and Pb, respectively） from water with the blochar dosage of 20 g. L^-1 and initial concentration of 20 mg.L^-1 . The pH value of 4-7 was the optimal range for adsorption reaction. The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray diffraction （XRD）, X-ray photoelectron spectroscopy （XPS）, Fourier transform infrared spectroscopy （FTIR） and Raman analysis; it was concluded as surface complexation with active sorption sites （-OH, -COO-）, coordination with 7c electrons （C = C, C = O） and precipitation with inorganic anions （OH-, CO3^2- , SO4^2- ） for both Cd and Pb. The sorption isotherms fit Langmuir model better than Freundlich model and the saturated sorptlon capacities for Cd and Pb were 38.91 mg·g^-1 and 28.99 mg.g^-1 , espectwely. When mixed with soil, biochar could effectively increase alkalinity and reduce bioavailability of heavy metals. Thus, biochar derived from corn straw would be a green material for both removal of heavy metals and amelioration of soil.</description><identifier>ISSN: 2095-2201</identifier><identifier>EISSN: 2095-221X</identifier><identifier>DOI: 10.1007/s11783-017-0921-y</identifier><language>eng</language><publisher>Beijing: Higher Education Press</publisher><subject>Adsorption ; Alkalinity ; Anions ; Bioavailability ; Biochar ; Cadmium ; Charcoal ; Corn ; Corn straw ; Earth and Environmental Science ; Environment ; Fourier transforms ; Heavy metals ; Infrared analysis ; Infrared spectroscopy ; Lead ; Photoelectron spectroscopy ; Photoelectrons ; Raman spectroscopy ; Research Article ; Soil amendment ; Soil water ; Soils ; Sorption ; Sorption isotherm ; Spectrum analysis ; Straw ; Sustainable materials ; X ray photoelectron spectroscopy ; X-ray diffraction</subject><ispartof>Frontiers of environmental science & engineering, 2017-04, Vol.11 (2), p.157-164, Article 15</ispartof><rights>Copyright reserved, 2017, Higher Education Press and Springer-Verlag Berlin Heidelberg</rights><rights>Higher Education Press and Springer-Verlag Berlin Heidelberg 2017</rights><rights>Higher Education Press and Springer-Verlag Berlin Heidelberg 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-cea49e17b9b90652bd2f3a793f1bad303c9198014485abfec38ce868a4967cb13</citedby><cites>FETCH-LOGICAL-c392t-cea49e17b9b90652bd2f3a793f1bad303c9198014485abfec38ce868a4967cb13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/71245X/71245X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11783-017-0921-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2918744738?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,41464,42533,43781,51294</link.rule.ids></links><search><creatorcontrib>Chi, Tong</creatorcontrib><creatorcontrib>Zuo, Jiane</creatorcontrib><creatorcontrib>Liu, Fenglin</creatorcontrib><title>Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar</title><title>Frontiers of environmental science & engineering</title><addtitle>Front. Environ. Sci. Eng</addtitle><addtitle>Frontiers of Environmental Science ＆ Engineering in China</addtitle><description>Cadmium （Cd） and lead （Pb） in water and soil could be adsorbed by biochar produced from corn straw. Biochar pyrolyzed under 400℃ for 2 h could reach the ideal removal efficiencies （99.24% and 98.62% for Cd and Pb, respectively） from water with the blochar dosage of 20 g. L^-1 and initial concentration of 20 mg.L^-1 . The pH value of 4-7 was the optimal range for adsorption reaction. The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray diffraction （XRD）, X-ray photoelectron spectroscopy （XPS）, Fourier transform infrared spectroscopy （FTIR） and Raman analysis; it was concluded as surface complexation with active sorption sites （-OH, -COO-）, coordination with 7c electrons （C = C, C = O） and precipitation with inorganic anions （OH-, CO3^2- , SO4^2- ） for both Cd and Pb. The sorption isotherms fit Langmuir model better than Freundlich model and the saturated sorptlon capacities for Cd and Pb were 38.91 mg·g^-1 and 28.99 mg.g^-1 , espectwely. When mixed with soil, biochar could effectively increase alkalinity and reduce bioavailability of heavy metals. Thus, biochar derived from corn straw would be a green material for both removal of heavy metals and amelioration of soil.</description><subject>Adsorption</subject><subject>Alkalinity</subject><subject>Anions</subject><subject>Bioavailability</subject><subject>Biochar</subject><subject>Cadmium</subject><subject>Charcoal</subject><subject>Corn</subject><subject>Corn straw</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Fourier transforms</subject><subject>Heavy metals</subject><subject>Infrared analysis</subject><subject>Infrared spectroscopy</subject><subject>Lead</subject><subject>Photoelectron spectroscopy</subject><subject>Photoelectrons</subject><subject>Raman spectroscopy</subject><subject>Research Article</subject><subject>Soil amendment</subject><subject>Soil water</subject><subject>Soils</subject><subject>Sorption</subject><subject>Sorption isotherm</subject><subject>Spectrum analysis</subject><subject>Straw</subject><subject>Sustainable materials</subject><subject>X ray photoelectron spectroscopy</subject><subject>X-ray diffraction</subject><issn>2095-2201</issn><issn>2095-221X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kE9LAzEQxRdRUNQP4C3oeTWTbJvkKMV_IOhBwVvIZmfblW7STrZIv73RLfXmXDJk3u_N8IriAvg1cK5uEoDSsuSgSm4ElNuD4kRwMymFgI_Dfc_huDhP6ZPn0roCLU8K_4rURupd8MhcaFiPfuFCl3qWv5l3Td9t-t_JEl3DXJMirYYuBtZS7NmXG5B-xyl2S1ZvmY8UWBrIfbG6i9mMzoqj1i0Tnu_e0-L9_u5t9lg-vzw8zW6fSy-NGEqPrjIIqja14dOJqBvRSqeMbKF2jeTSGzCaQ1Xpiatb9FJ71FOdqanyNcjT4mr0XVFcbzAN9jNuKOSVVhjQqqqU1FkFo8pTTImwtSvqekdbC9z-xGnHOG2O0_7EabeZESOTsjbMkf6c_4P0CC26-QIJmxVhSjbHFoYO6X_0cnfjIob5Oq_cHzlVglcchJDfw-KWog</recordid><startdate>20170401</startdate><enddate>20170401</enddate><creator>Chi, Tong</creator><creator>Zuo, Jiane</creator><creator>Liu, Fenglin</creator><general>Higher Education Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope></search><sort><creationdate>20170401</creationdate><title>Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar</title><author>Chi, Tong ; Zuo, Jiane ; Liu, Fenglin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-cea49e17b9b90652bd2f3a793f1bad303c9198014485abfec38ce868a4967cb13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adsorption</topic><topic>Alkalinity</topic><topic>Anions</topic><topic>Bioavailability</topic><topic>Biochar</topic><topic>Cadmium</topic><topic>Charcoal</topic><topic>Corn</topic><topic>Corn straw</topic><topic>Earth and Environmental Science</topic><topic>Environment</topic><topic>Fourier transforms</topic><topic>Heavy metals</topic><topic>Infrared analysis</topic><topic>Infrared spectroscopy</topic><topic>Lead</topic><topic>Photoelectron spectroscopy</topic><topic>Photoelectrons</topic><topic>Raman spectroscopy</topic><topic>Research Article</topic><topic>Soil amendment</topic><topic>Soil water</topic><topic>Soils</topic><topic>Sorption</topic><topic>Sorption isotherm</topic><topic>Spectrum analysis</topic><topic>Straw</topic><topic>Sustainable materials</topic><topic>X ray photoelectron spectroscopy</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chi, Tong</creatorcontrib><creatorcontrib>Zuo, Jiane</creatorcontrib><creatorcontrib>Liu, Fenglin</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>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><jtitle>Frontiers of environmental science & engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chi, Tong</au><au>Zuo, Jiane</au><au>Liu, Fenglin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar</atitle><jtitle>Frontiers of environmental science & engineering</jtitle><stitle>Front. Environ. Sci. Eng</stitle><addtitle>Frontiers of Environmental Science ＆ Engineering in China</addtitle><date>2017-04-01</date><risdate>2017</risdate><volume>11</volume><issue>2</issue><spage>157</spage><epage>164</epage><pages>157-164</pages><artnum>15</artnum><issn>2095-2201</issn><eissn>2095-221X</eissn><abstract>Cadmium （Cd） and lead （Pb） in water and soil could be adsorbed by biochar produced from corn straw. Biochar pyrolyzed under 400℃ for 2 h could reach the ideal removal efficiencies （99.24% and 98.62% for Cd and Pb, respectively） from water with the blochar dosage of 20 g. L^-1 and initial concentration of 20 mg.L^-1 . The pH value of 4-7 was the optimal range for adsorption reaction. The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray diffraction （XRD）, X-ray photoelectron spectroscopy （XPS）, Fourier transform infrared spectroscopy （FTIR） and Raman analysis; it was concluded as surface complexation with active sorption sites （-OH, -COO-）, coordination with 7c electrons （C = C, C = O） and precipitation with inorganic anions （OH-, CO3^2- , SO4^2- ） for both Cd and Pb. The sorption isotherms fit Langmuir model better than Freundlich model and the saturated sorptlon capacities for Cd and Pb were 38.91 mg·g^-1 and 28.99 mg.g^-1 , espectwely. When mixed with soil, biochar could effectively increase alkalinity and reduce bioavailability of heavy metals. Thus, biochar derived from corn straw would be a green material for both removal of heavy metals and amelioration of soil.</abstract><cop>Beijing</cop><pub>Higher Education Press</pub><doi>10.1007/s11783-017-0921-y</doi><tpages>8</tpages></addata></record> |
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| subjects | Adsorption Alkalinity Anions Bioavailability Biochar Cadmium Charcoal Corn Corn straw Earth and Environmental Science Environment Fourier transforms Heavy metals Infrared analysis Infrared spectroscopy Lead Photoelectron spectroscopy Photoelectrons Raman spectroscopy Research Article Soil amendment Soil water Soils Sorption Sorption isotherm Spectrum analysis Straw Sustainable materials X ray photoelectron spectroscopy X-ray diffraction |
| title | Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar |
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