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Adsorption of uranium(VI) from aqueous solution using a novel magnetic hydrothermal cross-linking chitosan
×÷Õß:Yu, SL (Yu, Sheng-long)[ 1 ] ; Dai, Y (Dai, Ying)[ 1,2 ] ; Cao, XH (Cao, Xiao-hong)[ 1,2 ] ; Zhang, ZB (Zhang, Zhi-bin)[ 1,2,3 ] ; Liu, YH (Liu, Yun-hai)[ 1,2 ] ; Ma, HJ (Ma, Hui-jie)[ 1 ] ; Xiao, SJ (Xiao, Sai-jin)[ 1,2 ] ; Lai, ZJ (Lai, Zhong-jun)[ 1 ] ; Chen, HJ (Chen, Hai-jun)[ 1 ] ; Zheng, ZY (Zheng, Zhi-yang)[ 1 ] ¸ü¶àÄÚÈÝ
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
¾í: 310  ÆÚ: 2  Ò³: 651-660
DOI: 10.1007/s10967-016-4898-y
³ö°æÄê: NOV 2016
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The magnetic hydrothermal cross-linking chitosan (HCC-Fe3O4) was prepared by hydrothermal carbonization and was characterized by FT-IR, X-ray diffraction and scanning electron microscopy. The as-prepared HCC-Fe3O4 was used as adsorbent to remove uranium(VI) as functions of contact time, pH, temperature and initial uranium(VI) concentration batch wise. The results indicated that the magnetic HCC-Fe3O4 was favorate for solid-liquid separation and the maximum uranium(VI) adsorption capacity was 263.1 mg/g at pH 7.0 and 25 A degrees C. The adsorption isotherm of uranium(VI) was well fitted by the Langmuir model. The adsorption is a chemical reaction in nature proved by the well described with pseudo-second-order model. The obtained thermodynamics parameters of positive Delta H, positive Delta S, and negative Delta G denoted the adsorption was an endothermic, disorder increasement, and spontaneous process. These results demonstrated that HCC-Fe3O4 was a promising adsorbent for the enrichment of uranium(VI) from aqueous solutions.
¹Ø¼ü´Ê
×÷Õ߹ؼü´Ê:Magnetic hydrothermal cross-linking chitosan; Adsorption; Uranium(VI)
KeyWords Plus:GRAPHENE OXIDE; COMPOSITE; REMOVAL; IONS; VI
×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Zhang, ZB; Liu, YH (ͨѶ×÷Õß)
              East China Inst Technol, Fundamental Sci Radioact Geol & Explorat Technol, Nanchang 330013, Jiangxi, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Zhang, ZB; Liu, YH (ͨѶ×÷Õß)
              East China Inst Technol, Engn Res Ctr Nucl Technol Applicat, Nanchang 330013, Jiangxi, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Zhang, ZB (ͨѶ×÷Õß)
              East China Inst Technol, State Key Lab Breeding Base Nucl Resources & Envi, Nanchang 330013, Jiangxi, Peoples R China.
µØÖ·:
              [ 1 ] East China Inst Technol, Fundamental Sci Radioact Geol & Explorat Technol, Nanchang 330013, Jiangxi, Peoples R China
              [ 2 ] East China Inst Technol, Engn Res Ctr Nucl Technol Applicat, Nanchang 330013, Jiangxi, Peoples R China
              [ 3 ] East China Inst Technol, State Key Lab Breeding Base Nucl Resources & Envi, Nanchang 330013, Jiangxi, Peoples R China
µç×ÓÓʼþµØÖ·:zhang_ecut@hotmail.com; walton_liu@163.com
»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
National Basic Research Program of China        
2014CB460604
National Natural Science Foundation of China        
21301028
11475044
41461070
21561002
Program for Changjiang Scholars and Innovative Research Team in University        
IRT13054
Science & Technology Support Program of Jiangxi Province        
20141BBG70001
20151BBG70010
Advanced Science & Technology Innovation Team Program of Jiangxi Province        
20142BCB24006
Innovation Team Program of Jiangxi Provincial Department of Science and Technology        
2014BCB24006
Project of East China Institute of Technology Graduate Student Innovation Fund        
DHYC2014025
DHYC2015011
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SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Chemistry; Nuclear Science & Technology
Web of Science Àà±ð:Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science & Technology
ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000385201600019
ISSN: 0236-5731
eISSN: 1588-2780
ÆäËûÐÅÏ¢
IDS ºÅ: DY6FK
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 27
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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2Â¥: Originally posted by skyÆÑ¹«Ó¢ at 2017-03-15 11:14:36
Adsorption of uranium(VI) from aqueous solution using a novel magnetic hydrothermal cross-linking chitosan
×÷Õß:Yu, SL (Yu, Sheng-long) ; Dai, Y (Dai, Ying) ; Cao, XH (Cao, Xiao-hong) ; Zhang, ZB (Z ...

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ÒýÓûØÌû:
2Â¥: Originally posted by skyÆÑ¹«Ó¢ at 2017-03-15 11:14:36
Adsorption of uranium(VI) from aqueous solution using a novel magnetic hydrothermal cross-linking chitosan
×÷Õß:Yu, SL (Yu, Sheng-long) ; Dai, Y (Dai, Ying) ; Cao, XH (Cao, Xiao-hong) ; Zhang, ZB (Z ...

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