Characterization of Edible Fungus Substrate Modified Biochar and Its Adsorption Capacity for Ciprofloxacin Hydrochloride

被引：2
|
作者：
Tang, Yuhong [1 ]
Hao, Jiajie [1 ]
He, Shixing [1 ]
Luo, Tingting [1 ]
Wu, Lieshan [1 ]
Wang, Xinting [1 ]
Guo, Jianqiang [2 ]
机构：
[1] Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Peoples R China
[2] Guangxi Jiangyi Environm Technol Co Ltd, Nanning 530004, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2022年 / 108卷 / 06期
关键词：
Edible fungus substrate (EFS); Rare earth modified biochar; Antibiotics; Characterization; Mechanisms; ADVANCED OXIDATION PROCESSES; REMOVAL; ANTIBIOTICS; WASTE; RISK;
D O I：
10.1007/s00128-022-03463-0
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, silver-ytterbium-modified biochar (MBC) was prepared to adsorb ciprofloxacin hydrochloride. It was compared with biochar (BC) and alkali-modified biochar (NBC). The results show that the MBC had more functional groups and a larger specific surface area than the BC and NBC. The saturated adsorption capacity of the MBC (312.500 mg g(-1)) was 3 and 19 times higher than that of the NBC and BC, respectively. The adsorption data were consistent with the pseudo-second-order kinetics model and the Langmuir isotherm model. In addition, the mechanism of CIP adsorption onto NBC and MBC may be dominated by pi-pi electron donor-accepter interactions. C-O, C=O and -NH2 play important roles in adsorption, and Ag-O and Yb-O groups participate in the adsorption of CIP onto MBC.
引用
收藏
页码：1153 / 1158
页数：6
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