RETRACTED: A Comparative Study of Adsorption of Cr(VI) from Water by Commercial Absorbent and by Activated Carbons Prepared from Agriculture Wastes (Retracted Article)

被引：1
作者：
Mande, Seyf-Laye Alfa-Sika [1 ]
Liu, Mingzhu
Folega, Fousseni
Liu, Fei [1 ]
Chen, Honghan [1 ]
机构：
[1] China Univ Geosci, Beijing Key Lab Water Resources Environm Engn, Beijing, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL SCIENCE-ICEES 2011 | 2011年 / 11卷
关键词：
Vegetable precursors; CAC; adsorption; Cr(VI); isotherm; kinetic; REMOVAL; KINETICS; SORPTION; IONS; BLUE; DYE;
D O I：
10.1016/j.egypro.2011.10.582
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Vegetable Precursors banana peels and maize cob were prepared as adsorbents for the adsorption of Cr(VI) from aqueous solutions and Commercial activated carbon in granular form was also used. Cr(VI) concentration and pH were varied. The adsorption capacities were decreased in the order for CAC > MC > BP. The isotherm data could be well described by the Freundlich and Langmuir equations in the concentration range of 50-300 mg/l. An acidic pH was favorable for the adsorption of Cr(VI). Based on the adsorption capacity, it was shown that CAC was more effective absorbent than maize cob followed by banana peels. Kinetic parameters of adsorption such as the pseudo-second-order kinetic rate constants were determined. Both agriculture wastes(MC and BP) and commercial activated charcoal (CAC) were shown to be used successfully materials for adsorption removal of Cr(VI) from aqueous solutions. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of the Organizers of 2011 International Conference on Energy and Environmental Science.
引用
收藏
页码：2587 / 2593
页数：7
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