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

页码：1153 / 1158

页数：6

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