High-efficient removal of tebuconazole from aqueous solutions using P-doped corn straw biochar: Performance, mechanism and application
文献类型： 外文期刊
作者： Xu, Congling 1 ; Wang, Yanhui 2 ; Ma, Xiaoxia 1 ; Wang, Xiaoyu 1 ; Yang, Yong 1 ; Zhang, Qingming 1 ;
作者机构： 1.Qingdao Agr Univ, Coll Plant Hlth & Med, Shandong Engn Res Ctr Environm Friendly Agr Pest M, Qingdao 266109, Peoples R China
2.Guangxi Acad Agr Sci, Guangxi Key Lab Biol Crop Dis & Insect Pests, Key Lab Green Prevent & Control Fruits & Vegetable, Plant Protect Res Inst,Minist Agr & Rural Affairs, Nanning 530007, Peoples R China
关键词： Tebuconazole; P -doped biochar; Adsorption mechanism; Pore filling; Wastewater treatment
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）
ISSN： 0960-8524
年卷期： 2024 年 412 卷
页码：
收录情况： SCI
摘要： Due to the serious threat posed by tebuconazole to the aquatic ecosystem, it is imperative to develop a highly efficient adsorbent material for the sustainable remediation of tebuconazole-contaminated water. Herein, a phosphorus (P)-doped biochar from corn straw and H3PO4 was fabricated by one-step pyrolysis for tebuconazole adsorption. Results showed that the P-doped biochar produced at 500degree celsius (PBC500) possesses a large specific surface area (SSA=869.6 m(2)/g), abundant surface functional groups, and the highest tebuconazole adsorption capacity (429.6 mg/g). The adsorption of tebuconazole on PBC500 followed pseudo-second-order kinetics and Langmuir adsorption isotherm models. Thermodynamic calculations indicated that the adsorption of tebuconazole by PBC500 was a spontaneous, endothermic process with a random increase. Adsorption mechanism mainly involves pore filling, it-it interactions, hydrogen bonding, and hydrophobic interaction. Moreover, PBC500 demonstrated robust anti-interference capabilities in adsorbing tebuconazole from diverse water sources and exhibited excellent reusability, underscoring its potential for a broad array of practical applications.
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