工业水处理 ›› 2021, Vol. 41 ›› Issue (4): 56-61. doi: 10.11894/iwt.2020-0687

• 试验研究 • 上一篇    下一篇

NiSiO@NiAlFe对不同抗生素的吸附特性研究

胡玉瑛1,潘成1,郑晓环1,刘苏苏1,彭小明1,*(),胡锋平1,许莉2,3,许高平2,3   

  1. 1. 华东交通大学土木建筑学院, 江西南昌 330013
    2. 江西饮用水安全重点实验室, 江西南昌 330013
    3. 江西省水务水科学检测研发有限公司, 江西景德镇 333000
  • 收稿日期:2021-03-09 出版日期:2021-04-20 发布日期:2021-04-23
  • 通讯作者: 彭小明 E-mail:pengxiaoming70@126.com
  • 作者简介:胡玉瑛(1992-), 博士, 硕导, 副教授
  • 基金资助:
    国家自然科学青年基金(51908214);国家自然科学青年基金(51908213);江西省科技厅重点研发计划项目(20192BBH80009);江西省重点实验室项目(20192BCD40013)

Study on the adsorption properties of NiSiO@NiAlFe to different antibiotics

Yuying Hu1,Cheng Pan1,Xiaohuan Zheng1,Susu Liu1,Xiaoming Peng1,*(),Fengping Hu1,Li Xu2,3,Gaoping Xu2,3   

  1. 1. School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang 330013, China
    2. Jiangxi Province Key Laboratory of Drinking Water Safety, Nanchang 330013, China
    3. Jiangxi Water Affairs and Water Science Testing R & D Co., Ltd., Jingdezhen 333000, China
  • Received:2021-03-09 Online:2021-04-20 Published:2021-04-23
  • Contact: Xiaoming Peng E-mail:pengxiaoming70@126.com

摘要:

采用水热法制备了负载NiAlFe层状双氢氧化物(LDHs)的硅酸镍空心球(NiSiO@NiAlFe),用于去除水中不同类型的抗生素。研究结果表明,pH为4~8时,NiSiO@NiAlFe对四环素(TC)和环丙沙星(CIP)的吸附效果较好,吸附过程更符合Freundlich模型。15℃下,NiSiO@NiAlFe对TC和CIP的最大吸附容量分别为35.7、35.3 mg/g。吸附热力学表明该吸附过程是自发吸热过程。NiSiO@NiAlFe对TC和CIP的吸附机理为静电引力和络合作用。该材料对水中抗生素的去除有较大潜力。

关键词: 硅酸镍, 抗生素, 四环素, 环丙沙星, 吸附

Abstract:

Layered double hydroxides(LDHs) coated NiAlFe-nickel silicate hollow spheres(NiSiO@NiAlFe) were prepared by hydrothermal method for the removal of different types of antibiotics in water. Results indicated that NiSiO@NiAlFe had a good adsorption efficiency on tetracycline(TC) and ciprofloxacin(CIP) in the pH range of 4-8. The adsorption process of TC and CIP was more consistent with the Freundlich model. At 15℃, the maximum adsorption capacities of NiSiO@NiAlFe for TC and CIP were 35.7 and 35.3 mg/g, respectively. Adsorption thermodynamics showed that the adsorption process was spontaneous and endothermic. The adsorption mechanisms of NiSiO@NiAlFe on TC and CIP were electrostatic attraction and complexation. The results showed that this material had great potential to remove antibiotics from water.

Key words: nickel silicate, antibiotics, tetracycline, ciprofloxacin, adsorption

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