Highly Efficient Adsorption of Cr(VI) by Sakura Leaves from Aqueous Solution

被引：9
|
作者：
Qi, Wenfang [1 ]
Wang, Yue [1 ]
Ji, Min [1 ]
Zhao, Yingxin [1 ,2 ,3 ]
Zhang, Zhenya [2 ]
机构：
[1] Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
[2] Univ Tsukuba, Grad Sch Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan
[3] Tianjin Engn Ctr Urban River Ecopurificat Technol, Tianjin 300072, Peoples R China
来源：
CHEMISTRY LETTERS | 2015年 / 44卷 / 05期
关键词：
ACTIVATED CARBON; CHROMIUM; BIOSORPTION; REMOVAL;
D O I：
10.1246/cl.150035
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A forestry waste, natural Sakura leaves (SL), was applied to remove Cr(VI) from aqueous solution. SL exhibited a highly effective adsorption performance at optimum pH 1.0. The presence of Cr(III) in equilibrium solution revealed that chemical redox reaction occurred. The results showed that the removal was successfully fitted to the Langmuir model (R-2 > 0.99). The theoretical maximum adsorption capacity of Cr(VI) was 148.12 mg g(-1) in static adsorption, which was much higher than similar materials. The study provides a new way to reutilize the SL and indicates a strong potential for waste recycling.
引用
收藏
页码：697 / 699
页数：3
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