Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). Toward a better understanding of the phenomena involved
Removal of chromium (III) from aqueous solutions by leonardite (a low-cost adsorbent) was studied in a series of batch experiments. Stabilization of the adsorbent material with alginate beads was also investigated. The extent of adsorption was evaluated as a function of the solution pH, contact time...
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| Veröffentlicht in: | Clean technologies and environmental policy 2014, Vol.16 (1), p.127-136 |
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| creator | Lao-Luque, Conxita Solé, Montserrat Gamisans, Xavier Valderrama, César Dorado, Antonio D. |
| description | Removal of chromium (III) from aqueous solutions by leonardite (a low-cost adsorbent) was studied in a series of batch experiments. Stabilization of the adsorbent material with alginate beads was also investigated. The extent of adsorption was evaluated as a function of the solution pH, contact time, and the adsorbate concentration. Cr(III) removal was pH dependent, reaching a maximum at a pH range of 4–5. Kinetic studies allowed gives relevant information regarding mass transfer processes involved during the sorption process. Equilibrium data fitted well to both the Langmuir and Freundlich isotherm models and the maximum adsorption capacity turned out to be 75.2 mg Cr(III) g
−1
. Encapsulation of leonardite in alginate beads resulted in a slightly lower adsorption capacity. |
| doi_str_mv | 10.1007/s10098-013-0610-x |
| format | Article |
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−1
. Encapsulation of leonardite in alginate beads resulted in a slightly lower adsorption capacity.</description><identifier>ISSN: 1618-954X</identifier><identifier>EISSN: 1618-9558</identifier><identifier>DOI: 10.1007/s10098-013-0610-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activated carbon ; Adsorbents ; Adsorció ; Adsorption ; Aigües residuals ; Alginates ; Aqueous solutions ; Beads ; Chemical kinetics ; Chemical precipitation ; Chromium ; Chromium (III) ; Chromium removal ; Cinètica química ; Coal ; Depuració ; Earth and Environmental Science ; Eliminació de crom ; Enginyeria química ; Environment ; Environmental Economics ; Environmental Engineering/Biotechnology ; Environmental policy ; Equilibrium ; Heavy metals ; Industrial and Production Engineering ; Industrial Chemistry/Chemical Engineering ; Isotherm ; Kinetics ; Leonardite ; Mass transfer ; Mathematical models ; Mining engineering ; Moisture content ; Original Paper ; Purification ; Química del medi ambient ; Sewage ; Sodium ; Sulfur content ; Sustainable Development ; Toxicity ; Àrees temàtiques de la UPC</subject><ispartof>Clean technologies and environmental policy, 2014, Vol.16 (1), p.127-136</ispartof><rights>Springer-Verlag Berlin Heidelberg 2013</rights><rights>Springer-Verlag Berlin Heidelberg 2014</rights><rights>info:eu-repo/semantics/openAccess</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c461t-8ae48b524143a09ceba262cced5d8df6ce2c89931e29d11b368226b5be2ccc243</citedby><cites>FETCH-LOGICAL-c461t-8ae48b524143a09ceba262cced5d8df6ce2c89931e29d11b368226b5be2ccc243</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/s10098-013-0610-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10098-013-0610-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,26951,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Lao-Luque, Conxita</creatorcontrib><creatorcontrib>Solé, Montserrat</creatorcontrib><creatorcontrib>Gamisans, Xavier</creatorcontrib><creatorcontrib>Valderrama, César</creatorcontrib><creatorcontrib>Dorado, Antonio D.</creatorcontrib><title>Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). Toward a better understanding of the phenomena involved</title><title>Clean technologies and environmental policy</title><addtitle>Clean Techn Environ Policy</addtitle><description>Removal of chromium (III) from aqueous solutions by leonardite (a low-cost adsorbent) was studied in a series of batch experiments. Stabilization of the adsorbent material with alginate beads was also investigated. The extent of adsorption was evaluated as a function of the solution pH, contact time, and the adsorbate concentration. Cr(III) removal was pH dependent, reaching a maximum at a pH range of 4–5. Kinetic studies allowed gives relevant information regarding mass transfer processes involved during the sorption process. Equilibrium data fitted well to both the Langmuir and Freundlich isotherm models and the maximum adsorption capacity turned out to be 75.2 mg Cr(III) g
−1
. Encapsulation of leonardite in alginate beads resulted in a slightly lower adsorption capacity.</description><subject>Activated carbon</subject><subject>Adsorbents</subject><subject>Adsorció</subject><subject>Adsorption</subject><subject>Aigües residuals</subject><subject>Alginates</subject><subject>Aqueous solutions</subject><subject>Beads</subject><subject>Chemical kinetics</subject><subject>Chemical precipitation</subject><subject>Chromium</subject><subject>Chromium (III)</subject><subject>Chromium removal</subject><subject>Cinètica química</subject><subject>Coal</subject><subject>Depuració</subject><subject>Earth and Environmental Science</subject><subject>Eliminació de crom</subject><subject>Enginyeria química</subject><subject>Environment</subject><subject>Environmental Economics</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Environmental policy</subject><subject>Equilibrium</subject><subject>Heavy metals</subject><subject>Industrial and Production Engineering</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Isotherm</subject><subject>Kinetics</subject><subject>Leonardite</subject><subject>Mass transfer</subject><subject>Mathematical models</subject><subject>Mining engineering</subject><subject>Moisture content</subject><subject>Original Paper</subject><subject>Purification</subject><subject>Química del medi ambient</subject><subject>Sewage</subject><subject>Sodium</subject><subject>Sulfur content</subject><subject>Sustainable Development</subject><subject>Toxicity</subject><subject>Àrees temàtiques de la UPC</subject><issn>1618-954X</issn><issn>1618-9558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><sourceid>XX2</sourceid><recordid>eNqNks9q3DAQxk1poWnaB-hN0Mvm4ESSZVk-hqVJFwK5pNCbGMvjrIItbSV5m-RV8rKR2dKGQKGgPyPx-2ak4SuKz4yeMkqbs5jXVpWUVSWVjJb3b4ojJpkq27pWb__E4sf74kOMd5Ry3nB6VDyttxDAJAz2EZL1jviBmG3wk50nstpsNick4OT3MJIh3xL4OaOfI4l-nBc-ku6BgCN2miDNAYnxGV2N6B2E3iY8OSU3_leOCZAOU65EZtdjiAlcb93tUjBtkey26PyEDoh1ez_usf9YvBtgjPjp935cfL_4erP-Vl5dX27W51elEZKlUgEK1dVcMFEBbQ12wCU3Bvu6V_0gDXKj2rZiyNuesa6SinPZ1V2-N4aL6rhgh7wmzkYHNBgMJO3B_j0sk9OG60qohqusWR00u-BzR2LSk40GxxHc0h7NmoZWefwPKlqplKKqzeiXV-idn4PLn18oKjkTonrx3uBjDDjoXbAThAfNqF7coA9u0NkNenGDvs8aftDEzLpbDC8y_1P0DCzTueQ</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Lao-Luque, Conxita</creator><creator>Solé, Montserrat</creator><creator>Gamisans, Xavier</creator><creator>Valderrama, César</creator><creator>Dorado, Antonio D.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>0-V</scope><scope>3V.</scope><scope>7ST</scope><scope>7TA</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X2</scope><scope>7XB</scope><scope>87Z</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FK</scope><scope>8FL</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ALSLI</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>F~G</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>K60</scope><scope>K6~</scope><scope>KR7</scope><scope>L.-</scope><scope>L6V</scope><scope>M0C</scope><scope>M0K</scope><scope>M2O</scope><scope>M2P</scope><scope>M2R</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><scope>7U6</scope><scope>XX2</scope></search><sort><creationdate>2014</creationdate><title>Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). 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D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). Toward a better understanding of the phenomena involved</atitle><jtitle>Clean technologies and environmental policy</jtitle><stitle>Clean Techn Environ Policy</stitle><date>2014</date><risdate>2014</risdate><volume>16</volume><issue>1</issue><spage>127</spage><epage>136</epage><pages>127-136</pages><issn>1618-954X</issn><eissn>1618-9558</eissn><abstract>Removal of chromium (III) from aqueous solutions by leonardite (a low-cost adsorbent) was studied in a series of batch experiments. Stabilization of the adsorbent material with alginate beads was also investigated. The extent of adsorption was evaluated as a function of the solution pH, contact time, and the adsorbate concentration. Cr(III) removal was pH dependent, reaching a maximum at a pH range of 4–5. Kinetic studies allowed gives relevant information regarding mass transfer processes involved during the sorption process. Equilibrium data fitted well to both the Langmuir and Freundlich isotherm models and the maximum adsorption capacity turned out to be 75.2 mg Cr(III) g
−1
. Encapsulation of leonardite in alginate beads resulted in a slightly lower adsorption capacity.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10098-013-0610-x</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Clean technologies and environmental policy, 2014, Vol.16 (1), p.127-136 |
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| source | Springer Nature - Complete Springer Journals; Recercat |
| subjects | Activated carbon Adsorbents Adsorció Adsorption Aigües residuals Alginates Aqueous solutions Beads Chemical kinetics Chemical precipitation Chromium Chromium (III) Chromium removal Cinètica química Coal Depuració Earth and Environmental Science Eliminació de crom Enginyeria química Environment Environmental Economics Environmental Engineering/Biotechnology Environmental policy Equilibrium Heavy metals Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Isotherm Kinetics Leonardite Mass transfer Mathematical models Mining engineering Moisture content Original Paper Purification Química del medi ambient Sewage Sodium Sulfur content Sustainable Development Toxicity Àrees temàtiques de la UPC |
| title | Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). Toward a better understanding of the phenomena involved |
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