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hao212: ½ð±Ò+18, ¡ï¡ï¡ïºÜÓаïÖú 2014-12-18 12:10:54
oven1986: LS-EPI+1, ¸ÐлӦÖú¡£ 2014-12-18 18:28:24
Synthesis of an adsorbent from sugarcane bagass by graft copolymerization and its utilization to remove Cd (II) ions from aqueous solution
×÷Õß:Niu, XC (Niu, Xianchun)[ 1 ] ; Zheng, LC (Zheng, Liuchun)[ 2,3 ] ; Zhou, JM (Zhou, Jianmin)[ 1 ] ; Dang, Z (Dang, Zhi)[ 3,4 ] ; Li, ZS (Li, Zesheng)[ 1 ]
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
¾í: 45  ÆÚ: 5  Ò³: 2557-2564
DOI: 10.1016/j.jtice.2014.06.006
³ö°æÄê: SEP 2014
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This paper presents a novel adsorbent, modified sugarcane bagasse (MSB), that is developed from untreated sugarcane bagasse (USB) using graft copolymerization and which can be used to remove cadmium ions from aqueous solution. The adsorption capacity of MSB was evaluated with respect to several factors, including pH values, initial cadmium concentration, and the adsorbent dosages. Adsorption isotherms, kinetics, activation energy, and thermodynamic parameters are also described in detail. The Langmuir isotherm model offered the best fit among the various isotherms. The maximum adsorption capacities of MSB and USB were 14.28 and 3.53 mg g(-1), respectively. The adsorption kinetic results indicated that the adsorption of Cd (II) onto MSB followed the pseudo-second-order model, and chemical adsorption was the rate-controlling step. The calculated activation energy (E-a) was 254.5 kJ mol(-1), which indicates that the adsorption of Cd (II) onto MSB was under chemical control. Sugarcane bagasse can be a potentially effective heavy metal adsorbent after a cost effective graft copolymerization. (C) 2014 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
¹Ø¼ü´Ê
×÷Õ߹ؼü´Ê:Cadmium; Sugarcane bagasse; Graft copolymerization; Adsorption; Kinetics models
KeyWords Plus:HEAVY-METALS; ADSORPTION; CADMIUM; CU(II); EQUILIBRIUM; BIOSORBENT; MECHANISM; CELLULOSE; KINETICS; EXCHANGE
×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Niu, XC (ͨѶ×÷Õß)
              Guangdong Univ Petrochem Technol, Coll Environm & Biol Engn, Maoming 525000, Peoples R China.
µØÖ·:
              [ 1 ] Guangdong Univ Petrochem Technol, Coll Environm & Biol Engn, Maoming 525000, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 2 ] S China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 3 ] S China Univ Technol, Coll Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
              [ 4 ] Minist Educ, Key Lab Pollut Control & Ecosyst Restorat Ind Clu, Guangzhou 510006, Guangdong, Peoples R China
µç×ÓÓʼþµØÖ·:mmcnxc@126.com
»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
Science and technology Projects of Guangdong Province        
2012B010500028
2012B031000020
Chinese Academy of Sciences comprehensive strategic cooperation project in Guangdong Province        
2011B090300105
National Natural Science Foundation of China        
40730741
41073088
National Special Science and Technology Project on Treatment and Control of Water Pollution of China        
2008ZX07211-001
²é¿´»ù½ð×ÊÖúÐÅÏ¢   
³ö°æÉÌ
ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Engineering
Web of Science Àà±ð:Engineering, Chemical
ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000343635200061
ISSN: 1876-1070
eISSN: 1876-1089
ÆÚ¿¯ÐÅÏ¢
Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: AR5PC
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 34
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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