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Adsorption of U(VI) on montmorillonite pillared with hydroxy-aluminum

Hydroxy-aluminum pillared Na-montmorillonite(OH–Al-MT) was prepared for studying sorption of U(VI) in the existence of soluble calcium (Ca 2+ ), carbonate ion (CO 3 2− ) and humic acid. Various characterizations confirm that hydroxy-aluminum was successfully pillared into Na-montmorillonite (Na-MT)....

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Published in:Journal of radioanalytical and nuclear chemistry 2018-07, Vol.317 (1), p.69-80
Main Authors: Wang, You-qun, Zheng, Zhi-yang, Zhao, Yi-kang, Huang, Jian-hui, Zhang, Zhi-bin, Cao, Xiao-hong, Dai, Ying, Hua, Rong, Liu, Yun-hai
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cited_by cdi_FETCH-LOGICAL-c355t-806291a65ce3382c200e39c5432e1fa3a93798040365f20fb2b1f507ae0e89453
cites cdi_FETCH-LOGICAL-c355t-806291a65ce3382c200e39c5432e1fa3a93798040365f20fb2b1f507ae0e89453
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container_title Journal of radioanalytical and nuclear chemistry
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creator Wang, You-qun
Zheng, Zhi-yang
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Liu, Yun-hai
description Hydroxy-aluminum pillared Na-montmorillonite(OH–Al-MT) was prepared for studying sorption of U(VI) in the existence of soluble calcium (Ca 2+ ), carbonate ion (CO 3 2− ) and humic acid. Various characterizations confirm that hydroxy-aluminum was successfully pillared into Na-montmorillonite (Na-MT). The effects of pH, concentration of Ca 2+ and CO 3 2− as well as HA on the sorption capacity of Na-MT and OH–Al-MT for U(VI) has been investigated by batch experiments. Additionally, the kinetics, isotherms and thermodynamics of adsorption of U(VI) were discussed in detailed. The study indicates that OH–Al-MT can be a potentially promising low-cost adsorbent for removal of U(VI) in wastewaters.
doi_str_mv 10.1007/s10967-018-5913-2
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Various characterizations confirm that hydroxy-aluminum was successfully pillared into Na-montmorillonite (Na-MT). The effects of pH, concentration of Ca 2+ and CO 3 2− as well as HA on the sorption capacity of Na-MT and OH–Al-MT for U(VI) has been investigated by batch experiments. Additionally, the kinetics, isotherms and thermodynamics of adsorption of U(VI) were discussed in detailed. The study indicates that OH–Al-MT can be a potentially promising low-cost adsorbent for removal of U(VI) in wastewaters.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10967-018-5913-2</doi><tpages>12</tpages></addata></record>
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subjects Adsorption
Aluminum
Calcium carbonate
Calcium ions
Carbonates
Chemistry
Chemistry and Materials Science
Clay
Diagnostic Radiology
Hadrons
Heavy Ions
Humic acids
Hydroxyapatite
Inorganic Chemistry
Montmorillonite
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Sorption
title Adsorption of U(VI) on montmorillonite pillared with hydroxy-aluminum
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