Adsorption of chromate on variable charge soils as influenced by ionic strength
The adsorption behavior of chromate on two variable charge soils (Oxisol and Ultisol) was investigated through batch experiments at different ionic strengths and pH values. The adsorption of chromate on the variable charge soils was found to be strongly dependent on the pH of the soil solutions. A c...
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Veröffentlicht in: | Environmental earth sciences 2012-06, Vol.66 (4), p.1155-1162 |
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description | The adsorption behavior of chromate on two variable charge soils (Oxisol and Ultisol) was investigated through batch experiments at different ionic strengths and pH values. The adsorption of chromate on the variable charge soils was found to be strongly dependent on the pH of the soil solutions. A characteristic pH was observed, which corresponds to the intersection of the chromate adsorption—pH curves at different ionic strengths. The characteristic pH values are 5.50 for Oxisol and 5.04 for Ultisol, close to the point of zero salt effect (PZSE) of these soils. The zeta potentials measured for these soils provide the evidences to support the interpretation of the effect of ionic strength on the adsorption of chromate on these variable charge soils. The adsorption behavior of chromate was interpreted by a schematic representation of chromate distribution at increasing ionic strength. The chromate desorption–pH curves were also found to intersect at pH of 5.15 and 4.89 for the Oxisol and Ultisol, respectively. It is considered that chromate adsorption by the variable charge soils was mainly determined by the electrostatic potential on the adsorption plane, which was controlled by the ionic strength of the soil solutions. |
doi_str_mv | 10.1007/s12665-011-1323-2 |
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The adsorption of chromate on the variable charge soils was found to be strongly dependent on the pH of the soil solutions. A characteristic pH was observed, which corresponds to the intersection of the chromate adsorption—pH curves at different ionic strengths. The characteristic pH values are 5.50 for Oxisol and 5.04 for Ultisol, close to the point of zero salt effect (PZSE) of these soils. The zeta potentials measured for these soils provide the evidences to support the interpretation of the effect of ionic strength on the adsorption of chromate on these variable charge soils. The adsorption behavior of chromate was interpreted by a schematic representation of chromate distribution at increasing ionic strength. The chromate desorption–pH curves were also found to intersect at pH of 5.15 and 4.89 for the Oxisol and Ultisol, respectively. It is considered that chromate adsorption by the variable charge soils was mainly determined by the electrostatic potential on the adsorption plane, which was controlled by the ionic strength of the soil solutions.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-011-1323-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Adsorption ; Biogeosciences ; Earth and Environmental Science ; Earth Sciences ; Electrolytes ; Environmental Science and Engineering ; Geochemistry ; Geology ; Heavy metals ; Hydrology/Water Resources ; Indexing in process ; ionic strength ; Original Article ; Oxisols ; Soil contamination ; soil pH ; Soil sciences ; Soil solution ; Soil strength ; Soils ; Terrestrial Pollution ; Ultisols ; variable charge soils</subject><ispartof>Environmental earth sciences, 2012-06, Vol.66 (4), p.1155-1162</ispartof><rights>Springer-Verlag 2011</rights><rights>Springer-Verlag 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a396t-40f2fa2504254bdd51635f960f0a7b0b24cbd530c93435173e11a6ae2f4963883</citedby><cites>FETCH-LOGICAL-a396t-40f2fa2504254bdd51635f960f0a7b0b24cbd530c93435173e11a6ae2f4963883</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/s12665-011-1323-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-011-1323-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Jiang, Jun</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Xu, Renkou</creatorcontrib><creatorcontrib>Yang, Chong</creatorcontrib><title>Adsorption of chromate on variable charge soils as influenced by ionic strength</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>The adsorption behavior of chromate on two variable charge soils (Oxisol and Ultisol) was investigated through batch experiments at different ionic strengths and pH values. The adsorption of chromate on the variable charge soils was found to be strongly dependent on the pH of the soil solutions. A characteristic pH was observed, which corresponds to the intersection of the chromate adsorption—pH curves at different ionic strengths. The characteristic pH values are 5.50 for Oxisol and 5.04 for Ultisol, close to the point of zero salt effect (PZSE) of these soils. The zeta potentials measured for these soils provide the evidences to support the interpretation of the effect of ionic strength on the adsorption of chromate on these variable charge soils. The adsorption behavior of chromate was interpreted by a schematic representation of chromate distribution at increasing ionic strength. The chromate desorption–pH curves were also found to intersect at pH of 5.15 and 4.89 for the Oxisol and Ultisol, respectively. It is considered that chromate adsorption by the variable charge soils was mainly determined by the electrostatic potential on the adsorption plane, which was controlled by the ionic strength of the soil solutions.</description><subject>Adsorption</subject><subject>Biogeosciences</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Electrolytes</subject><subject>Environmental Science and Engineering</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Heavy metals</subject><subject>Hydrology/Water Resources</subject><subject>Indexing in process</subject><subject>ionic strength</subject><subject>Original Article</subject><subject>Oxisols</subject><subject>Soil contamination</subject><subject>soil pH</subject><subject>Soil sciences</subject><subject>Soil solution</subject><subject>Soil strength</subject><subject>Soils</subject><subject>Terrestrial Pollution</subject><subject>Ultisols</subject><subject>variable charge soils</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kF1LwzAUhosoOOZ-gFcGvPGmek6-2l6O4RcMdqG7DmmbdB1dM5NO2L83oyLihblJzuF5XsKbJNcI9wiQPQSkUooUEFNklKX0LJlgLmUqaVGc_7xzuExmIWwhHoasADlJVvM6OL8fWtcTZ0m18W6nB0Pi-Kl9q8vOxKX2jSHBtV0gOpC2t93B9JWpSXkk0WwrEgZv-mbYXCUXVnfBzL7vabJ-enxfvKTL1fPrYr5MNSvkkHKw1GoqgFPBy7oWKJmwhQQLOiuhpLwqa8GgKhhnAjNmELXUhlpeSJbnbJrcjbl77z4OJgxq14bKdJ3ujTsEhUgFZQIEj-jtH3TrDr6Pv4sUYpYLLlikcKQq70Lwxqq9b3faHxWCOrWsxpZVbFmdWlY0OnR0QmT7xvhfyf9IN6NktVO68W1Q6zcKyAEQWE4L9gWPooZo</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>Jiang, Jun</creator><creator>Wang, Yong</creator><creator>Xu, Renkou</creator><creator>Yang, Chong</creator><general>Springer-Verlag</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</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>HCIFZ</scope><scope>KL.</scope><scope>L.G</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>20120601</creationdate><title>Adsorption of chromate on variable charge soils as influenced by ionic strength</title><author>Jiang, Jun ; Wang, Yong ; Xu, Renkou ; Yang, Chong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a396t-40f2fa2504254bdd51635f960f0a7b0b24cbd530c93435173e11a6ae2f4963883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adsorption</topic><topic>Biogeosciences</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Electrolytes</topic><topic>Environmental Science and Engineering</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Heavy metals</topic><topic>Hydrology/Water Resources</topic><topic>Indexing in process</topic><topic>ionic strength</topic><topic>Original Article</topic><topic>Oxisols</topic><topic>Soil contamination</topic><topic>soil pH</topic><topic>Soil sciences</topic><topic>Soil solution</topic><topic>Soil strength</topic><topic>Soils</topic><topic>Terrestrial Pollution</topic><topic>Ultisols</topic><topic>variable charge soils</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiang, Jun</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Xu, Renkou</creatorcontrib><creatorcontrib>Yang, Chong</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</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 (ProQuest)</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>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</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>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jiang, Jun</au><au>Wang, Yong</au><au>Xu, Renkou</au><au>Yang, Chong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of chromate on variable charge soils as influenced by ionic strength</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2012-06-01</date><risdate>2012</risdate><volume>66</volume><issue>4</issue><spage>1155</spage><epage>1162</epage><pages>1155-1162</pages><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>The adsorption behavior of chromate on two variable charge soils (Oxisol and Ultisol) was investigated through batch experiments at different ionic strengths and pH values. The adsorption of chromate on the variable charge soils was found to be strongly dependent on the pH of the soil solutions. A characteristic pH was observed, which corresponds to the intersection of the chromate adsorption—pH curves at different ionic strengths. The characteristic pH values are 5.50 for Oxisol and 5.04 for Ultisol, close to the point of zero salt effect (PZSE) of these soils. The zeta potentials measured for these soils provide the evidences to support the interpretation of the effect of ionic strength on the adsorption of chromate on these variable charge soils. The adsorption behavior of chromate was interpreted by a schematic representation of chromate distribution at increasing ionic strength. The chromate desorption–pH curves were also found to intersect at pH of 5.15 and 4.89 for the Oxisol and Ultisol, respectively. It is considered that chromate adsorption by the variable charge soils was mainly determined by the electrostatic potential on the adsorption plane, which was controlled by the ionic strength of the soil solutions.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s12665-011-1323-2</doi><tpages>8</tpages></addata></record> |
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subjects | Adsorption Biogeosciences Earth and Environmental Science Earth Sciences Electrolytes Environmental Science and Engineering Geochemistry Geology Heavy metals Hydrology/Water Resources Indexing in process ionic strength Original Article Oxisols Soil contamination soil pH Soil sciences Soil solution Soil strength Soils Terrestrial Pollution Ultisols variable charge soils |
title | Adsorption of chromate on variable charge soils as influenced by ionic strength |
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