Sorption and desorption of cadmium and zinc in two tropical soils amended with sugarcane-straw-derived biochar
PURPOSE: Biochars may enhance the retention capacity of metals in soils, especially in highly weathered tropical soil whose low cation exchange capacity renders heavy metals mobile, and thus be able to leach from soils. We evaluated the effect of sugarcane-straw-derived biochar on sorption and desor...
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| Veröffentlicht in: | Journal of soils and sediments 2016-01, Vol.16 (1), p.226-234 |
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| creator | Melo, Leônidas C. A Puga, Aline P Coscione, Aline R Beesley, Luke Abreu, Cleide A Camargo, Otávio A |
| description | PURPOSE: Biochars may enhance the retention capacity of metals in soils, especially in highly weathered tropical soil whose low cation exchange capacity renders heavy metals mobile, and thus be able to leach from soils. We evaluated the effect of sugarcane-straw-derived biochar on sorption and desorption of Cd(II) and Zn(II) in two tropical soils in particular to distinguish primary and secondary mechanisms of metal retention. MATERIAL AND METHODS: To test the efficiency of biochar to retain heavy metals, sugarcane-straw-derived biochar was mixed with a clayey Oxisol and an Entisol both from the state of Sao Paulo, Brazil, in batch testing to obtain sorption-desorption isotherms of Cd(II) and Zn(II) and measure the release/displacement of cations (Ca²⁺ and Mg²⁺) or precipitation with phosphate during the sorption process. RESULTS AND DISCUSSION: Biochar increased the sorption (including adsorption and precipitation) of both metals in both soils but that most sorption reactions were reversible under buffer acidic conditions, due to dissolution of precipitates in low pH values ( |
| doi_str_mv | 10.1007/s11368-015-1199-y |
| format | Article |
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A ; Puga, Aline P ; Coscione, Aline R ; Beesley, Luke ; Abreu, Cleide A ; Camargo, Otávio A</creator><creatorcontrib>Melo, Leônidas C. A ; Puga, Aline P ; Coscione, Aline R ; Beesley, Luke ; Abreu, Cleide A ; Camargo, Otávio A</creatorcontrib><description>PURPOSE: Biochars may enhance the retention capacity of metals in soils, especially in highly weathered tropical soil whose low cation exchange capacity renders heavy metals mobile, and thus be able to leach from soils. We evaluated the effect of sugarcane-straw-derived biochar on sorption and desorption of Cd(II) and Zn(II) in two tropical soils in particular to distinguish primary and secondary mechanisms of metal retention. MATERIAL AND METHODS: To test the efficiency of biochar to retain heavy metals, sugarcane-straw-derived biochar was mixed with a clayey Oxisol and an Entisol both from the state of Sao Paulo, Brazil, in batch testing to obtain sorption-desorption isotherms of Cd(II) and Zn(II) and measure the release/displacement of cations (Ca²⁺ and Mg²⁺) or precipitation with phosphate during the sorption process. RESULTS AND DISCUSSION: Biochar increased the sorption (including adsorption and precipitation) of both metals in both soils but that most sorption reactions were reversible under buffer acidic conditions, due to dissolution of precipitates in low pH values (<4.9). Exchange of Cd or Zn with Ca and Mg from the biochar was found to play a minor role on the retention mechanism, whereas surface precipitation (mainly in the Entisol) of the metals (e.g. with phosphate) was likely to be the main sorption mechanism. CONCLUSIONS: Application of sugarcane-straw-derived biochar to heavy-metal-contaminated tropical soils seems justified because of its sorptive capacity for Cd and Zn. However, binding reactions on surfaces were reversible, mainly for Cd(II), resulting in the likelihood that repeat applications of biochar would be required to maintain reduced soil solution concentrations of Cd and Zn over time, thus avoiding phytotoxicity and associated environmental risks.</description><identifier>ISSN: 1439-0108</identifier><identifier>EISSN: 1614-7480</identifier><identifier>DOI: 10.1007/s11368-015-1199-y</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>adsorption ; biochar ; Biomass ; Cadmium ; calcium ; Cation exchange ; cation exchange capacity ; Cations ; Charcoal ; Desorption ; Earth and Environmental Science ; Entisols ; Environment ; Environmental Physics ; Environmental risk ; Heavy metals ; magnesium ; Oxisols ; phosphates ; Phytotoxicity ; Retention ; Retention capacity ; risk ; Sec 4 • Ecotoxicology • Research Article ; Soil adsorption ; soil amendments ; Soil contamination ; Soil Science & Conservation ; Soil solution ; Soils ; Sorption ; Sugarcane ; Tropical environments ; tropical soils ; Zinc</subject><ispartof>Journal of soils and sediments, 2016-01, Vol.16 (1), p.226-234</ispartof><rights>Springer-Verlag Berlin Heidelberg 2015</rights><rights>Springer-Verlag Berlin Heidelberg 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c443t-e5e78c870597b7c0287f1a98d9f7a35643b9a680fc0b3445de86ae9b6ae3144d3</citedby><cites>FETCH-LOGICAL-c443t-e5e78c870597b7c0287f1a98d9f7a35643b9a680fc0b3445de86ae9b6ae3144d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11368-015-1199-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11368-015-1199-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Melo, Leônidas C. A</creatorcontrib><creatorcontrib>Puga, Aline P</creatorcontrib><creatorcontrib>Coscione, Aline R</creatorcontrib><creatorcontrib>Beesley, Luke</creatorcontrib><creatorcontrib>Abreu, Cleide A</creatorcontrib><creatorcontrib>Camargo, Otávio A</creatorcontrib><title>Sorption and desorption of cadmium and zinc in two tropical soils amended with sugarcane-straw-derived biochar</title><title>Journal of soils and sediments</title><addtitle>J Soils Sediments</addtitle><description>PURPOSE: Biochars may enhance the retention capacity of metals in soils, especially in highly weathered tropical soil whose low cation exchange capacity renders heavy metals mobile, and thus be able to leach from soils. We evaluated the effect of sugarcane-straw-derived biochar on sorption and desorption of Cd(II) and Zn(II) in two tropical soils in particular to distinguish primary and secondary mechanisms of metal retention. MATERIAL AND METHODS: To test the efficiency of biochar to retain heavy metals, sugarcane-straw-derived biochar was mixed with a clayey Oxisol and an Entisol both from the state of Sao Paulo, Brazil, in batch testing to obtain sorption-desorption isotherms of Cd(II) and Zn(II) and measure the release/displacement of cations (Ca²⁺ and Mg²⁺) or precipitation with phosphate during the sorption process. RESULTS AND DISCUSSION: Biochar increased the sorption (including adsorption and precipitation) of both metals in both soils but that most sorption reactions were reversible under buffer acidic conditions, due to dissolution of precipitates in low pH values (<4.9). Exchange of Cd or Zn with Ca and Mg from the biochar was found to play a minor role on the retention mechanism, whereas surface precipitation (mainly in the Entisol) of the metals (e.g. with phosphate) was likely to be the main sorption mechanism. CONCLUSIONS: Application of sugarcane-straw-derived biochar to heavy-metal-contaminated tropical soils seems justified because of its sorptive capacity for Cd and Zn. However, binding reactions on surfaces were reversible, mainly for Cd(II), resulting in the likelihood that repeat applications of biochar would be required to maintain reduced soil solution concentrations of Cd and Zn over time, thus avoiding phytotoxicity and associated environmental risks.</description><subject>adsorption</subject><subject>biochar</subject><subject>Biomass</subject><subject>Cadmium</subject><subject>calcium</subject><subject>Cation exchange</subject><subject>cation exchange capacity</subject><subject>Cations</subject><subject>Charcoal</subject><subject>Desorption</subject><subject>Earth and Environmental Science</subject><subject>Entisols</subject><subject>Environment</subject><subject>Environmental Physics</subject><subject>Environmental risk</subject><subject>Heavy metals</subject><subject>magnesium</subject><subject>Oxisols</subject><subject>phosphates</subject><subject>Phytotoxicity</subject><subject>Retention</subject><subject>Retention capacity</subject><subject>risk</subject><subject>Sec 4 • Ecotoxicology • Research Article</subject><subject>Soil adsorption</subject><subject>soil amendments</subject><subject>Soil contamination</subject><subject>Soil Science & Conservation</subject><subject>Soil solution</subject><subject>Soils</subject><subject>Sorption</subject><subject>Sugarcane</subject><subject>Tropical environments</subject><subject>tropical soils</subject><subject>Zinc</subject><issn>1439-0108</issn><issn>1614-7480</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kUFvFSEUhYmxSeuzP6ArSdy4QbkDDLA0jVWTJi5q14QB5pVmBp4w48vz10sdTYwLN8DN-c7JDQehK6BvgVL5rgKwXhEKggBoTU7P0AX0wInkij5vb850U6k6Ry9qfaSUySZfoHSXy2GJOWGbPPah_hnziJ31c1znX8qPmByOCS_HjJeSD9HZCdccp4rtHJIPHh_j8oDrurfF2RRIXYo9Eh9K_N7EIWb3YMtLdDbaqYbL3_cO3d98-Hr9idx--fj5-v0tcZyzhQQRpHJKUqHlIB3tlBzBauX1KC0TPWeDtr2io6MD41z4oHob9NAOBpx7tkNvttxDyd_WUBczx-rCNLXN8loNyL5FK91-bYde_4M-5rWktl2jBJc9iE43CjbKlVxrCaM5lDjbcjJAzVMDZmvAtAbMUwPm1Dzd5qmNTftQ_kr-j-nVZhptNnZfYjX3dx2FnlLohODAfgLGK5N_</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Melo, Leônidas C. A</creator><creator>Puga, Aline P</creator><creator>Coscione, Aline R</creator><creator>Beesley, Luke</creator><creator>Abreu, Cleide A</creator><creator>Camargo, Otávio A</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7UA</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>H97</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M0K</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20160101</creationdate><title>Sorption and desorption of cadmium and zinc in two tropical soils amended with sugarcane-straw-derived biochar</title><author>Melo, Leônidas C. 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A</creatorcontrib><creatorcontrib>Puga, Aline P</creatorcontrib><creatorcontrib>Coscione, Aline R</creatorcontrib><creatorcontrib>Beesley, Luke</creatorcontrib><creatorcontrib>Abreu, Cleide A</creatorcontrib><creatorcontrib>Camargo, Otávio A</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</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>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Agricultural Science Database</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic 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>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Journal of soils and sediments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Melo, Leônidas C. A</au><au>Puga, Aline P</au><au>Coscione, Aline R</au><au>Beesley, Luke</au><au>Abreu, Cleide A</au><au>Camargo, Otávio A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sorption and desorption of cadmium and zinc in two tropical soils amended with sugarcane-straw-derived biochar</atitle><jtitle>Journal of soils and sediments</jtitle><stitle>J Soils Sediments</stitle><date>2016-01-01</date><risdate>2016</risdate><volume>16</volume><issue>1</issue><spage>226</spage><epage>234</epage><pages>226-234</pages><issn>1439-0108</issn><eissn>1614-7480</eissn><abstract>PURPOSE: Biochars may enhance the retention capacity of metals in soils, especially in highly weathered tropical soil whose low cation exchange capacity renders heavy metals mobile, and thus be able to leach from soils. We evaluated the effect of sugarcane-straw-derived biochar on sorption and desorption of Cd(II) and Zn(II) in two tropical soils in particular to distinguish primary and secondary mechanisms of metal retention. MATERIAL AND METHODS: To test the efficiency of biochar to retain heavy metals, sugarcane-straw-derived biochar was mixed with a clayey Oxisol and an Entisol both from the state of Sao Paulo, Brazil, in batch testing to obtain sorption-desorption isotherms of Cd(II) and Zn(II) and measure the release/displacement of cations (Ca²⁺ and Mg²⁺) or precipitation with phosphate during the sorption process. RESULTS AND DISCUSSION: Biochar increased the sorption (including adsorption and precipitation) of both metals in both soils but that most sorption reactions were reversible under buffer acidic conditions, due to dissolution of precipitates in low pH values (<4.9). Exchange of Cd or Zn with Ca and Mg from the biochar was found to play a minor role on the retention mechanism, whereas surface precipitation (mainly in the Entisol) of the metals (e.g. with phosphate) was likely to be the main sorption mechanism. CONCLUSIONS: Application of sugarcane-straw-derived biochar to heavy-metal-contaminated tropical soils seems justified because of its sorptive capacity for Cd and Zn. However, binding reactions on surfaces were reversible, mainly for Cd(II), resulting in the likelihood that repeat applications of biochar would be required to maintain reduced soil solution concentrations of Cd and Zn over time, thus avoiding phytotoxicity and associated environmental risks.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11368-015-1199-y</doi><tpages>9</tpages></addata></record> |
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| subjects | adsorption biochar Biomass Cadmium calcium Cation exchange cation exchange capacity Cations Charcoal Desorption Earth and Environmental Science Entisols Environment Environmental Physics Environmental risk Heavy metals magnesium Oxisols phosphates Phytotoxicity Retention Retention capacity risk Sec 4 • Ecotoxicology • Research Article Soil adsorption soil amendments Soil contamination Soil Science & Conservation Soil solution Soils Sorption Sugarcane Tropical environments tropical soils Zinc |
| title | Sorption and desorption of cadmium and zinc in two tropical soils amended with sugarcane-straw-derived biochar |
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