Natural N-Doped Carbon Quantum Dots Derived from Straw and Adhered onto TiO2 Nanospheres for Enhancing the Removal of Antibiotics and Resistance Genes
文献类型： 外文期刊
作者： Yang, Bei 1 ; Yu, Yingliang 1 ; Liu, Hao 2 ; Yang, Linzhang 1 ; Hua, Zulin 3 ; Feng, Yanfang 1 ; Xue, Lihong 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Key Lab Food Qual & Safety Jiangsu Prov State Lab, Nanjing 210014, Peoples R China
2.Nanjing Hydraul Res Inst, Key Lab Water Control Taihu Lake Basin, Minis Water Resources, Nanjing 210029, Peoples R China
3.Hohai Univ, Coll Environm, Key Lab Integrated Regulat & Resources Dev Shallow, Minist Educ, Nanjing 210098, Peoples R China
期刊名称：ACS OMEGA （ 影响因子：4.132； 五年影响因子：4.197 ）
ISSN： 2470-1343
年卷期：
页码：
收录情况： SCI
摘要： Antibiotics and antibiotic resistance genes (ARGs) are emerging environmental contaminants. TiO2 photocatalytic degradation has been proved an important removal technique, but its photocatalytic ability needs be improved. In our work, natural N-doped carbon quantum dots (N-SCQDs) were extracted from hydrothermal carbonization waste liquid of straw and were attached onto TiO2 nanospheres for remediating antibiotics [sulfadiazine (SA)] and ARGs (sul1, sul2, and intl1). The maximum SA reduction rates were close to 100%, and the ARG reduction rates were 52.91-83.52%/lg10 (sul1), 32.10-68.23%/lg10 (sul2), and 46.29-76.55%/lg10 (inlt 1). The temperature of the straw derivatives would influence their photoelectric properties. N-SCQDs@TiO2 expands the application range of a novel potential high-efficiency degradation catalyst and offers a new way of hydrothermal carbonization waste liquid of agricultural waste.
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