数字农科院2.0

Highly porous biochar engineered from agricultural waste for efficient removal of sulfonylurea herbicides in aqueous systems

文献类型： 外文期刊

作者： Wei Wang;Haoyu Shi;Haojie Shi;Tatyana V. Fedorova;Olga A. Glazunova;Liangang Mao;Lan Zhang;Lizhen Zhu;Chi Wu;Xingang Liu

作者机构：

关键词： Activated biochar;Fixed-bed column;Physical adsorption;Sulfonylurea herbicides;Water purification

期刊名称： Environmental Research

ISSN： 0013-9351

年卷期： 2025 年 285 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Pesticide contamination in aquatic environments, particularly due to sulfonylurea herbicides, has become a growing concern. Herein, a highly porous biochar was synthesized using potassium bicarbonate (KHCO3) as a green activating agent through a one-step pyrolysis and acid washing process. Among the different samples, KBC-6 exhibited the highest specific surface area (3548.8 m2 g−1), the greatest defect density, and abundant oxygen-containing functional groups. As a result, KBC-6 demonstrated impressive adsorption capacities of 227.5 mg g−1 for bensulfuron-methyl (BSM) and 195.9 mg g−1 for nicosulfuron (NIC) at 298 K. The adsorption process followed pseudo-first-order kinetics and was well-described by the Freundlich model, with physical mechanisms, including pore filling, hydrogen bonding, and π–π interactions, contributing 49.4 % and 52.7 %, 15.7 % and 13.6 %, and 25.6 % and 23.9 % for BSM and NIC, respectively. KBC-6 achieved high removal efficiency of BSM and NIC across a wide range of conditions, including pH 5–9, 0.1 M anions, 10 M ionic strength, and 0–100 mg L−1 humic acid. After six regeneration cycles, KBC-6 maintained over 72.3 % removal efficiency. Fixed-bed column tests showed treatment volumes of 244.16 BV for BSM and 222.93 BV for NIC, and the treated effluent did not affect soybean root growth or fresh weight, indicating its safety. These results suggest that KHCO3-activated biochar provides a cost-effective and eco-friendly solution for removing sulfonylurea herbicides from polluted water.

分类号：

  • 相关文献

[1]Oxygen-defective graphdiyne for ultra-efficient removal of sulfonylurea herbicides from aqueous solution. Jianhui Zhu,Sheng Xiang,Bingjie Zhang,Jianli Wang,Changsheng Li,Canping Pan,Yong Xu,Yongqiang Ma. 2022

[2]Remediation of lead toxicity with waste-bio materials from aqueous solutions in fixed-bed column using response surface methodology. Aanisa Manzoor Shah,Inayat Mustafa Khan,Zhenjie Du,Rehana Rasool,Raihana Habib Kant,Shakeel Mir,Tahir A. Sheikh,Fehim Jeelani Wani,M. Ayoub Bhat,Javid A. Bhat,M. H. Chesti,Mumtaz A. Ganie,Yasir Hanif Mir,Tsering Dolker,Sulaiman Ali Alharbi,Tahani Awad Alahmadi,Shafeeq Ur Rahman. 2024

[3]Synthesis and characterization of different activated biochar catalysts for removal of biomass pyrolysis tar. Li Zhang,Zonglu Yao,Lixin Zhao,Zhihe Li,Weiming Yi,Kang Kang,Jixiu Jia. 2021

[4]Lignin Nanoparticles: Transforming Environmental Remediation. Pirzada Khan,Sajid Ali,Rahmatullah Jan,Kyung Min Kim. 2024

[5]Carboxymethylcellulose sodium-derived carbon aerogels for solar-driven water purification. Chaoming Wang,Peng Zhu,Zheng Huang,Lei Zhang,Shuaiao Xie,Zhiyong Qi. 2024

[6]Rapid, selective surface oxygenation of activated biochar via microwave-induced air oxidation shock toward organic pollutant adsorption and electrochemical energy storage. Haiqin Zhou,Jianhua Hou,Lingzhao Kong,Bo Yang,Lichun Dai. 2025

[7]The degradation effects of a Pseudomonas hydrolase OPHC2 to organophosphorus insecticides. Wang, Jin-Fang,Gao, Ming-Hui,Pan, Can-Ping,Wu, Ning-Feng.

[8]Class-specific molecularly imprinted polymers for the selective extraction and determination of sulfonylurea herbicides in maize samples by high-performance liquid chromatography-tandem mass spectrometry. She, Yong-xin,Cao, Wei-qiang,Shi, Xiao-mei,Lv, Xiao-ling,Liu, Jia-jia,Wang, Rong-yan,Jin, Fen,Wang, Jing,Xiao, Hang,Cao, Wei-qiang.

[9]Analysis Of Four Sulfonylurea Herbicides I.n Cereals Using Modified Q uick, Easy, Cheap, Effective, Rugged, And Safe Sample Preparation Method Coupled With Liquid Chromatography-Tandem Mass Spectrometry. Ni, YX, Yang, H, Zhang, HT, He, QA, Huang, SQ, Qin, ML, Chai, SS, Gao, HH, Ma, YN. 2018

[10]Preparation of Molecularly Imprinted Polymer for Selective Solid-Phase Extraction and Simultaneous Determination of Five Sulfonylurea Herbicides in Cereals. Liu, Yuan,Wang, Jian,Wang, Fengli,Han, Zhengzheng,Zhu, Xuran,Liu, Yang,Cheng, Ming,Song, Mengmeng,Wang, Rui,Wang, Tianrui,Miao, Yutian,Liu, Jia,She, Yongxin. 2022

作者其他论文 更多>>