Study on the adsorption behavior of Co(II) on modified nanometer-sized TiO2 and its application to environmental water samples

被引：0
|
作者：
Li, Feng-Cui [1 ]
Zhu, Ling-Hong [2 ]
Pei, Zhong-Fang [3 ]
Shi, Jun-Cao [4 ]
Liu, Rui-Qun [5 ]
Tong, Lv-Bao [6 ]
机构：
[1] Henan Univ Urban Construct, Pingdingshan 467001, Henan, Peoples R China
[2] Shenma Ind Equipment Engn Resource Dept, Pingdingshan 467001, Henan, Peoples R China
[3] Yida Construct & Installat Co, Pingdingshan 467001, Henan, Peoples R China
[4] Guangsha Construct Engn Ltd Co, Henan Guangsha Grp, Pingdingshan 467001, Henan, Peoples R China
[5] Stat Pingdingshan Construct Communitee, Construct Engn Quality Serv, Pingdingshan 467001, Henan, Peoples R China
[6] Henan Fifth Construct & Installat Project Ltm Co, Pingdingshan 467001, Henan, Peoples R China
来源：
ICEET: 2009 INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT TECHNOLOGY, VOL 2, PROCEEDINGS | 2009年
关键词：
modified nanometer-sized TiO2; flame atomic absorption spectrometry; adsorption; Co(II); AQUEOUS-SOLUTION; SILICA-GEL; METAL IONS; REMOVAL;
D O I：
10.1109/ICEET.2009.428
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：
The modified nanometer-sized TiO2 as a solid sorbent was prepared by using impregnation method, and characterized by using SEM. The adsorption properties of the sorbent to Co(II) in static system, main factors affecting the adsorption and desorption, adsorption isotherms and influence of coexisting ions on the determination of Co(II) were investigated by FAAS, and regeneration experiments were carried. When test solution containing the sorbent was vibrated for 5 min and stationed for 12 h at pH 8.0, 0.1000 g of modified nanometer-sized TiO2 could adsorb Co (II) quantitively, and Co (II) adsorbed onto the sorbent could be desorbed with 10 mL of 4.0 mol/L of HNO3 as strippant. The sorbent possessed of excellent adsorptivity. It has been applied to the determination of Co(II) in environmental water samples.
引用
收藏
页码：783 / +
页数：2
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