Tetracycline removal in the magnetic biochar heterogeneous Fenton-like system

doi:10.11894/iwt.2019-0092

Industrial Water Treatment ›› 2020, Vol. 40 ›› Issue (2): 32-35. doi: 10.11894/iwt.2019-0092

• Research and Experiment • Previous Articles Next Articles

Tetracycline removal in the magnetic biochar heterogeneous Fenton-like system

Yihan Zhang(),Jing Shi*(),Qiong Du,Yue Chen,Yixin Cui

School of Engineering, China Pharmaceutical University, Nanjing 211198, China

Received:2019-12-05 Online:2020-02-20 Published:2020-02-22
Contact: Jing Shi E-mail:1317410586@qq.com;shijing_cpu@163.com
Supported by:
中央高校基本科研业务费专项资金资助项目(2632019FY02);国家自然科学基金项目(21707166);国家级大学生创新创业训练计划项目;中国药科大学药学基地科研训练及科研能力提高项目(J1310032)

磁性生物炭非均相类Fenton体系去除水中四环素

张依含(),史静*(),杜琼,陈悦,崔依昕

中国药科大学工学院, 江苏南京 211198

通讯作者: 史静 E-mail:1317410586@qq.com;shijing_cpu@163.com
作者简介:张依含(1994-),硕士研究生。电话:15651837718, E-mail:1317410586@qq.com
基金资助:
中央高校基本科研业务费专项资金资助项目(2632019FY02);国家自然科学基金项目(21707166);国家级大学生创新创业训练计划项目;中国药科大学药学基地科研训练及科研能力提高项目(J1310032)

Abstract

Abstract:

The magnetic biochar was prepared by the method of impregnation and pyrolysis. Characterization analysis by XRD, XPS and VSM showed that the main active substance was γ-Fe₂O₃. The magnetic biochar heterogeneous Fenton-like system was used to treat tetracycline hydrochloride(TC) in the water. Results showed that when the initial TC mass concentration was 200 mg/L, the optimal performance was found with the initial pH=7, H₂O₂ dosage 19.8 mmol/L and catalyst dosage 3 g/L. The formation of ·OH, as well as TC removal rate, could be significantly improved by introducing ascorbic acid to Fenton-like system, owing to the acceleration of Fe(Ⅲ)/Fe(Ⅱ) cycle.

Key words: biochar, magnetic, tetracycline hydrochloride, ascorbic acid

摘要：

采用先浸渍后热解的方法制备了磁性生物炭材料，并使用XRD、XPS、VSM对制备的材料进行了表征。结果表明，制备的磁性生物炭主要的活性物质为γ-Fe₂O₃。采用磁性生物炭非均相类Fenton体系处理水中四环素（TC），当初始TC质量浓度为200 mg/L，pH=7，H₂O₂投加量为19.8 mmol/L，磁性生物炭投加量为3 g/L时，处理效果最佳。加入抗坏血酸可以加速铁循环过程，明显改善·OH的生成，进而增强了TC去除率。

关键词: 生物炭, 磁性, 盐酸四环素, 抗坏血酸

CLC Number:

X703.1

Yihan Zhang,Jing Shi,Qiong Du,Yue Chen,Yixin Cui. Tetracycline removal in the magnetic biochar heterogeneous Fenton-like system[J]. Industrial Water Treatment, 2020, 40(2): 32-35.

张依含,史静,杜琼,陈悦,崔依昕. 磁性生物炭非均相类Fenton体系去除水中四环素[J]. 工业水处理, 2020, 40(2): 32-35.

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Figures/Tables 7

References 12

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磁性生物炭投加量/(g · L^-1)	TC去除率/%	TOC去除率/%
1	85.3	11.9
3	90.3	35.1
6	93.2	43.4

磁性生物炭投加量/(g · L^-1)	TC去除率/%	TOC去除率/%
1	85.3	11.9
3	90.3	35.1
6	93.2	43.4

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