氧化石墨烯对磺胺甲恶唑和磺胺甲基嘧啶的吸附性能研究

引用本文: 王栋纬, 宋燕西, 冶晓凡, 钱国, 汪舒怡, 程贞. 氧化石墨烯对磺胺甲恶唑和磺胺甲基嘧啶的吸附性能研究[J]. 分析化学, 2018, 46(2): 211-216. doi: 10.11895/j.issn.0253-3820.171279 shu

Citation: WANG Dong-Wei, SONG Yan-Xi, YE Xiao-Fan, QIAN Guo, WANG Shu-Yi, CHENG Zhen. Study on Adsorption of Two Sulfonamide Antibiotics by Graphene Oxide[J]. Chinese Journal of Analytical Chemistry, 2018, 46(2): 211-216. doi: 10.11895/j.issn.0253-3820.171279 shu

氧化石墨烯对磺胺甲恶唑和磺胺甲基嘧啶的吸附性能研究

王栋纬 ^1, ,
宋燕西 ^1,2, ,
冶晓凡 ^1, ,
钱国 ^1, ,
汪舒怡 ^1, ,
程贞 ^1,

1.
东华大学环境科学与工程学院, 国家环境保护纺织污染防治工程技术中心, 上海 201620;
2.
复旦大学聚合物分子工程国家重点实验室, 上海 200433
基金项目:
本文系国家自然科学基金项目（No.51278095）、复旦大学聚合物分子工程国家重点实验室开放研究课题基金（No.K2014-11）、东华大学研究生创新基金（No.113-06-0019057）和东华大学大学生创新训练项目资助。

摘要: 采用改进的Hummers法制备得到氧化石墨烯（GO），以两种磺胺类抗生素——磺胺甲恶唑（SMZ）和磺胺甲基嘧啶（SMR）为探针分子，研究了氧化石墨烯的吸附特性。利用傅立叶变换红外光谱（FT-IR）和扫描电镜（SEM）对所制备的氧化石墨烯进行表征。考察了溶液pH值、吸附时间、初始浓度对氧化石墨烯吸附性能的影响，通过吸附动力学和吸附热力学对其吸附性能进行了研究。结果表明，酸性和碱性条件有利于氧化石墨烯对SMZ和SMR的吸附，当pH=1时吸附效果最佳；氧化石墨烯对SMZ和SMR吸附平衡时间分别为100和120 min，最大吸附容量分别为138.50和96.06 mg/g；吸附行为均符合准二级动力学方程，表明此吸附过程以化学吸附为主，与Langmuir等温方程式拟合度良好。氧化石墨烯作为富集分离材料用于湖水中SMZ和SMR的富集分离，获得了较好的结果。

关键词:

English

Study on Adsorption of Two Sulfonamide Antibiotics by Graphene Oxide

1.
State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, School of Environmental Science and Technology, Donghua University, Shanghai 201620, China;
2.
State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
Received Date: 28 September 2017
Revised Date: 27 November 2017
Fund Project:
This work was supported by the National Natural Science Fundation of China (No.51278095), Fudan University State Key Laboratory of Polymer Molecular Engineering Open Research Fund (No.K2014-11), Donghua University Graduate Innovation Fund (No.113-06-0019057) and Donghua University innovation training program for Undergraduate Students.

Abstract: Graphene oxide (GO) was prepared by modified Hummers method with graphite as raw materials and used as adsorbent for sulfamethoxazole (SMZ) and sulfamerazine (SMR) in aqueous solutions. The graphene oxide was characterized by fourier transform infrared (FT-IR) spectroscopy and scanning electron microscopy (SEM). The effects of pH value, adsorption time, initial concentration and temperature on the adsorption property of GO to two sulfonamide antibiotics were investigated and combined with the physical and chemical properties of two kinds of antibiotics. The result showed the maximum adsorption capacity were 138.50 mg/g and 96.06 mg/g at pH=1, adsorbent dosage of 20 mg, 45℃, adsorption time of 100 min and 120 min for SMZ and SMR, respectively. The adsorption data of SMZ and SMR fitted well with the Pseudo-second-order kinetics model and the Langmuir isotherm model. The adsorption properties of GO were evaluated with lake water and tap water as real samples and good results were obtained. GO could be used as enrichment and separation materials for sample pretreatment and removing pollutant in wastewater.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

氧化石墨烯对磺胺甲恶唑和磺胺甲基嘧啶的吸附性能研究

English

Study on Adsorption of Two Sulfonamide Antibiotics by Graphene Oxide

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

氧化石墨烯对磺胺甲恶唑和磺胺甲基嘧啶的吸附性能研究

English

Study on Adsorption of Two Sulfonamide Antibiotics by Graphene Oxide

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

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