Nano-iron oxide-encapsulated chitosan microspheres as novel adsorbent for removal of Ni (II) ions from aqueous solution

被引：10
|
作者：
Dhiwar, Chanchal [1 ]
Tiwari, Alka [1 ]
Bajpai, A. K. [2 ]
机构：
[1] Govt VYT PG Autonomous Coll, Dept Chem, Res Ctr, Durg 491001, Chhattisgarh, India
[2] Govt Autonomous Sci Coll, Bose Mem Res Lab, Dept Chem, Jabalpur 482001, Madhya Pradesh, India
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2013年 / 39卷 / 07期
关键词：
Adsorption; Nano-particles; Iron oxide; Chitosan; HEXAVALENT CHROMIUM; ADSORPTION; BIOSORPTION; COLUMN; CARBON; BATCH;
D O I：
10.1007/s11164-012-0812-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present study investigates the utility of composite beads of nano-particles of iron oxide and chitosan for removing Ni (II) ions from aqueous solution by batch and column adsorption techniques. In the batch mode experiment, the influence of pH, concentration, adsorbent dose, temperature, column mode, bed height, flow rate and initial concentration were studied on the adsorption profiles of nickel ions. The maximum uptake of Ni (II) ions was obtained at pH 4.0 in 30 min at room temperature.
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页码：2989 / 3009
页数：21
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