Adsorption of cadmium on cerium oxide nanoparticles and oyster shells

被引：0
|
作者：
Ji, Yongbo
Liu, Zhuomiao
Dang, Yonghui
Xu, Lina
Ning, Fangyuan
Xue, Yinhao
Wei, Yongpeng
Dai, Yanhui [1 ]
机构：
[1] Ocean Univ China, Minist Educ, Key Lab Marine Environm & Ecol, Qingdao 266100, Peoples R China
来源：
3RD INTERNATIONAL CONFERENCE ON ENERGY EQUIPMENT SCIENCE AND ENGINEERING (ICEESE 2017) | 2018年 / 128卷
基金：
中国国家自然科学基金;
关键词：
TITANIUM-DIOXIDE NANOPARTICLES; REMOVAL;
D O I：
10.1088/1755-1315/128/1/012179
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study investigated the adsorption of cadmium (Cd(II)) by cerium oxide nanoparticles (CeO2 NPs) and oyster shells in seawater. The results showed that the addition of Cd(II) significantly inhibited the agglomeration of CeO2 NPs both in DI water and seawater, increased the positive charges of CeO2 NPs in DI water and neutralized the negative charges of CeO2 NPs in seawater. Additionally, CeO2 NPs could adsorb Cd and the bioavailability of Cd was reduced in the presence of oyster shells. This study demonstrated that the adsorption of metals on shells should not be neglected for the accumulation of metals by shellfish.
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页数：4
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