Activated carbon from Pueraria waste and its heavy metal adsorption performance

被引：0
|
作者：
Shao Jinhua [1 ]
Zhang Yufei [2 ]
Zhu Zhiyong [1 ]
Chen Xiaoming [1 ]
He Fulin [1 ]
机构：
[1] Hunan Univ Sci & Engn, Yongzhou, Peoples R China
[2] Mudanjiang Med Univ, Mudanjiang, Peoples R China
来源：
PRZEMYSL CHEMICZNY | 2018年 / 97卷 / 06期
关键词：
D O I：
10.15199/62.2018.6.29
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Wastes from processing of Pueraria lobata were activated with 30% KOH soln. (solid-to-liq. ratio 1:6), carbonized at 700 degrees C for 35 min and the resulting activated C was characterized by scanning electron microscopy. Its sp. surface area was detd. by using a pore analyzer and its adsorption capacity for Cu2+, Cd2+, Zn2+ and Pb2+ was detd. by mass spectroscopy with inductively coupled plasma. The I and methylene blue adsorption values were used as quality indexes (130.63 mL/0.1 g and 1301.35 mg/g, resp.). The sp. surface area of the activated C was 1023.83 m(2)/g, the pore size 1.96 nm and the adsorption abilities decreased in series Cu2+ > Pb2+ > Cd2+ > Zn2+. The adsorption ability the activated C prepd. was better than that of a corn. activated C.
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收藏
页码：973 / 978
页数：6
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