磁性鸡粪生物炭对水中四环素的吸附性能

张勇; 田甜; 李社锋; 吴磊; 花成巍; 朱庆; 郭沨

doi:10.13205/j.hjgc.202609005

磁性鸡粪生物炭对水中四环素的吸附性能

doi: 10.13205/j.hjgc.202609005

张勇^1,2,3,
田甜¹,
李社锋^1,2,3, ,,
吴磊⁴,
花成巍⁵,
朱庆⁶,
郭沨⁴

1. 武汉轻工大学化学与环境工程学院, 武汉 430023;
2. 武汉轻工大学武汉市生态环境化工与低碳技术转化中试基地, 武汉 430023;
3. 武汉轻工大学农业废弃物资源化利用湖北省重点实验, 武汉 430023;
4. 葛洲坝集团生态环保有限公司, 武汉 430030;
5. 江苏康泰环保装备有限公司, 江苏泰州 225300;
6. 全度环保(武汉)有限公司, 武汉 430300

基金项目:

湖北省揭榜挂帅项目“太阳能微动力农村生活污水无人值守智能处理系统开发”（2024BEB011）；湖北省重点研发计划项目“高污染典型工业废盐快速熔融解毒及资源化处置技术开发”（2024BCB086）；湖北省揭榜挂帅项目“新型膜脱氨材料及装备开发”（2022BEC007）；湖北省重点研发计划项目“湖北沿江化工园区土壤污染原位检测及修复管控关键技术研究与集成示范”（2025BCB099）

详细信息

作者简介:
张勇(1991—),男,讲师,主要研究方向为工业废水处理技术、农副资源高值化利用。yongzhang@whpu.edu.cn

通讯作者:
李社锋(1979—),男,教授,主要研究方向为工业废水处理技术。lishefeng@163.com

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出版历程
- 收稿日期: 2026-05-06
- 网络出版日期: 2026-11-05

Adsorption performance of magnetic chicken manure biochar for tetracycline in aqueous solution

ZHANG Yong^1,2,3,
TIAN Tian¹,
LI Shefeng^{1,2,3
, ,},
WU Lei⁴,
HUA Chengwei⁵,
ZHU Qing⁶,
GUO Feng⁴

1. School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China;
2. Pilot Base for Eco-Environmental Chemical Engineering and Low-carbon Technology Transformation, Wuhan Polytechnic University, Wuhan 430023, China;
3. Hubei Key Laboratory of Agricultural Waste Resource Utilization, Wuhan Polytechnic University, Wuhan 430023, China;
4. Gezhouba Group Eco-Environmental Protection Co., Ltd., Wuhan 430030, China;
5. Jiangsu Kintep Environmental Protection Equipment Co., Ltd., Taizhou 225300, China;
6. Quandu Environmental Protection (Wuhan) Co., Ltd., Wuhan 430300, China

摘要

摘要: 以鸡粪为原料制备磁性鸡粪生物炭Fe-KBC。结合FT-IR、SEM、N₂吸脱附等表征手段，探究了吸附过程的吸附等温线、吸附动力学和吸附机理，系统考察了Fe-KBC投加量、四环素初始浓度、温度、pH对吸附性能的影响，结果表明Fe-KBC具有较高的比表面积（1293.74 m²/g）和层状结构。吸附实验结果表明：Fe-KBC对四环素具有较好的吸附效果，相比于原始生物炭，其饱和吸附量（113 mg/g）提高了4.74倍。四环素初始浓度为50 mg/L时，吸附最优条件为：Fe-KBC投加量0.5 mg/L，温度35 ℃，pH=4。吸附过程符合拟二级动力学和Freundlich模型，吸附机理主要为化学吸附。Fe-KBC具有较好的稳定性，经5次循环使用后，其吸附率仍保持在88%以上。该研究结果可为鸡粪的高值化利用和绿色高效吸附材料的制备提供理论参考。
- 鸡粪 /
- 生物炭 /
- 吸附 /
- 四环素 /
- 铁
Abstract: In this paper， magnetic chicken manure biochar Fe-KBC was prepared by chicken manure， and its adsorption performance for tetracycline in aqueous solution was systematically investigated. Combined with FT-IR， SEM and N₂ adsorption-desorption techniques， the adsorption isotherms， adsorption kinetics， and adsorption mechanism were explored， and the effects of Fe-KBC dosage， initial tetracycline concentration， temperature， and pH on adsorption performance were systematically examined. Characterization results revealed that Fe-KBC possessed a large specific surface area of 1293.74 m²/g and a layered structure. The adsorption results showed that Fe-KBC exhibited excellent adsorption performance for tetracycline， and the saturated adsorption capacity reached 113 mg/g， 4.74 times higher than that of the original biochar. The optimal adsorption conditions for TC with an initial concentration of 50 mg/L were as follows： a Fe-KBC dosage of 0.5 mg/L， a temperature of 35 ℃， and a pH value of 4. The adsorption process fitted well with the pseudo-second-order kinetics and Freundlich model， and the adsorption mechanism was dominated by chemisorption. After 5 cycles of reuse， the TC adsorption rate of Fe-KBC still remained above 88%， indicating its excellent stability. These findings provide a theoretical reference for the high-value utilization of chicken manure and the preparation of green and high-efficiency adsorbent materials.
- chicken manure /
- biochar /
- adsorption /
- tetracycline /
- ferrous

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