Arsenic removal from water using calcined Mg–Al layered double hydroxide
Arsenic (As) in drinking water and its related toxicology are serious concerns nowadays. Development of better techniques related to removal of As from drinking water is an urgent need. Layered double hydroxide (LDH) or hydrotalcite-like compound with the general formula [M 1− x 2+ M x 3+ (OH) 2 ] x...
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| Veröffentlicht in: | Clean technologies and environmental policy 2012-02, Vol.14 (1), p.21-27 |
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| creator | Chetia, Mridul Goswamee, Rajib L. Banerjee, Saumen Chatterjee, Soumya Singh, Lokendra Srivastava, Ravi B. Sarma, Hari P. |
| description | Arsenic (As) in drinking water and its related toxicology are serious concerns nowadays. Development of better techniques related to removal of As from drinking water is an urgent need. Layered double hydroxide (LDH) or hydrotalcite-like compound with the general formula [M
1−
x
2+
M
x
3+
(OH)
2
]
x
+
A
x
−
·
n
H
2
O can be considered as a good adsorbent for the removal of toxic As from water. Due to large surface area and high anion exchange capacity of LDH, the compound may be a good adsorbent for the removal of As from contaminated water. In this study, the removal of As in aqueous solution by adsorption method based on the calcination–rehydration reaction was investigated in batch experiment at (30 ± 1)°C. Results showed the removal of 99.99% As from a solution of 0.1 ppm of As; the adsorbent required at saturation was 0.10 g/20 ml As solution with 90 min of exposure at (30 ± 1)°C. Factors like pH, adsorbent dose and shaking time influenced the rate of As removal. Experiment showed that the adsorption process follows the Freundlich-type adsorption isotherm. The explanation of adsorption phenomenon is supported by X-ray diffraction pattern. |
| doi_str_mv | 10.1007/s10098-011-0365-1 |
| format | Article |
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1−
x
2+
M
x
3+
(OH)
2
]
x
+
A
x
−
·
n
H
2
O can be considered as a good adsorbent for the removal of toxic As from water. Due to large surface area and high anion exchange capacity of LDH, the compound may be a good adsorbent for the removal of As from contaminated water. In this study, the removal of As in aqueous solution by adsorption method based on the calcination–rehydration reaction was investigated in batch experiment at (30 ± 1)°C. Results showed the removal of 99.99% As from a solution of 0.1 ppm of As; the adsorbent required at saturation was 0.10 g/20 ml As solution with 90 min of exposure at (30 ± 1)°C. Factors like pH, adsorbent dose and shaking time influenced the rate of As removal. Experiment showed that the adsorption process follows the Freundlich-type adsorption isotherm. The explanation of adsorption phenomenon is supported by X-ray diffraction pattern.</description><identifier>ISSN: 1618-954X</identifier><identifier>EISSN: 1618-9558</identifier><identifier>DOI: 10.1007/s10098-011-0365-1</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Adsorbents ; Adsorption ; Anion exchange ; Aqueous solutions ; Arsenic ; Arsenic removal ; Defense research ; Drinking water ; Earth and Environmental Science ; Environment ; Environmental Economics ; Environmental Engineering/Biotechnology ; Environmental policy ; Experiments ; Industrial and Production Engineering ; Industrial Chemistry/Chemical Engineering ; Original Paper ; Pollutant removal ; R&D ; Research & development ; Sustainable Development ; Toxicology ; Water pollution ; X-ray diffraction</subject><ispartof>Clean technologies and environmental policy, 2012-02, Vol.14 (1), p.21-27</ispartof><rights>Springer-Verlag 2011</rights><rights>Springer-Verlag 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-ca2f93b8b951215af6de889618ad91ed8a3945720be1e03036d721d8daec2d633</citedby><cites>FETCH-LOGICAL-c381t-ca2f93b8b951215af6de889618ad91ed8a3945720be1e03036d721d8daec2d633</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/s10098-011-0365-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10098-011-0365-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Chetia, Mridul</creatorcontrib><creatorcontrib>Goswamee, Rajib L.</creatorcontrib><creatorcontrib>Banerjee, Saumen</creatorcontrib><creatorcontrib>Chatterjee, Soumya</creatorcontrib><creatorcontrib>Singh, Lokendra</creatorcontrib><creatorcontrib>Srivastava, Ravi B.</creatorcontrib><creatorcontrib>Sarma, Hari P.</creatorcontrib><title>Arsenic removal from water using calcined Mg–Al layered double hydroxide</title><title>Clean technologies and environmental policy</title><addtitle>Clean Techn Environ Policy</addtitle><description>Arsenic (As) in drinking water and its related toxicology are serious concerns nowadays. Development of better techniques related to removal of As from drinking water is an urgent need. Layered double hydroxide (LDH) or hydrotalcite-like compound with the general formula [M
1−
x
2+
M
x
3+
(OH)
2
]
x
+
A
x
−
·
n
H
2
O can be considered as a good adsorbent for the removal of toxic As from water. Due to large surface area and high anion exchange capacity of LDH, the compound may be a good adsorbent for the removal of As from contaminated water. In this study, the removal of As in aqueous solution by adsorption method based on the calcination–rehydration reaction was investigated in batch experiment at (30 ± 1)°C. Results showed the removal of 99.99% As from a solution of 0.1 ppm of As; the adsorbent required at saturation was 0.10 g/20 ml As solution with 90 min of exposure at (30 ± 1)°C. Factors like pH, adsorbent dose and shaking time influenced the rate of As removal. Experiment showed that the adsorption process follows the Freundlich-type adsorption isotherm. The explanation of adsorption phenomenon is supported by X-ray diffraction pattern.</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Anion exchange</subject><subject>Aqueous solutions</subject><subject>Arsenic</subject><subject>Arsenic removal</subject><subject>Defense research</subject><subject>Drinking water</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Environmental Economics</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Environmental policy</subject><subject>Experiments</subject><subject>Industrial and Production Engineering</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Original Paper</subject><subject>Pollutant removal</subject><subject>R&D</subject><subject>Research & development</subject><subject>Sustainable Development</subject><subject>Toxicology</subject><subject>Water pollution</subject><subject>X-ray 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removal from water using calcined Mg–Al layered double hydroxide</title><author>Chetia, Mridul ; Goswamee, Rajib L. ; Banerjee, Saumen ; Chatterjee, Soumya ; Singh, Lokendra ; Srivastava, Ravi B. ; Sarma, Hari P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c381t-ca2f93b8b951215af6de889618ad91ed8a3945720be1e03036d721d8daec2d633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Anion exchange</topic><topic>Aqueous solutions</topic><topic>Arsenic</topic><topic>Arsenic removal</topic><topic>Defense research</topic><topic>Drinking water</topic><topic>Earth and Environmental Science</topic><topic>Environment</topic><topic>Environmental Economics</topic><topic>Environmental Engineering/Biotechnology</topic><topic>Environmental policy</topic><topic>Experiments</topic><topic>Industrial and Production Engineering</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Original Paper</topic><topic>Pollutant removal</topic><topic>R&D</topic><topic>Research & development</topic><topic>Sustainable Development</topic><topic>Toxicology</topic><topic>Water pollution</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chetia, Mridul</creatorcontrib><creatorcontrib>Goswamee, Rajib L.</creatorcontrib><creatorcontrib>Banerjee, Saumen</creatorcontrib><creatorcontrib>Chatterjee, Soumya</creatorcontrib><creatorcontrib>Singh, Lokendra</creatorcontrib><creatorcontrib>Srivastava, Ravi B.</creatorcontrib><creatorcontrib>Sarma, Hari P.</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Social Sciences Premium Collection</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Materials Business 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drinking water and its related toxicology are serious concerns nowadays. Development of better techniques related to removal of As from drinking water is an urgent need. Layered double hydroxide (LDH) or hydrotalcite-like compound with the general formula [M
1−
x
2+
M
x
3+
(OH)
2
]
x
+
A
x
−
·
n
H
2
O can be considered as a good adsorbent for the removal of toxic As from water. Due to large surface area and high anion exchange capacity of LDH, the compound may be a good adsorbent for the removal of As from contaminated water. In this study, the removal of As in aqueous solution by adsorption method based on the calcination–rehydration reaction was investigated in batch experiment at (30 ± 1)°C. Results showed the removal of 99.99% As from a solution of 0.1 ppm of As; the adsorbent required at saturation was 0.10 g/20 ml As solution with 90 min of exposure at (30 ± 1)°C. Factors like pH, adsorbent dose and shaking time influenced the rate of As removal. Experiment showed that the adsorption process follows the Freundlich-type adsorption isotherm. The explanation of adsorption phenomenon is supported by X-ray diffraction pattern.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s10098-011-0365-1</doi><tpages>7</tpages></addata></record> |
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| ispartof | Clean technologies and environmental policy, 2012-02, Vol.14 (1), p.21-27 |
| issn | 1618-954X 1618-9558 |
| language | eng |
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| subjects | Adsorbents Adsorption Anion exchange Aqueous solutions Arsenic Arsenic removal Defense research Drinking water Earth and Environmental Science Environment Environmental Economics Environmental Engineering/Biotechnology Environmental policy Experiments Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Original Paper Pollutant removal R&D Research & development Sustainable Development Toxicology Water pollution X-ray diffraction |
| title | Arsenic removal from water using calcined Mg–Al layered double hydroxide |
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