JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究

鲁锋 ,  牛塬塬 ,  谷玉娜 ,  韩秀丽

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鲁锋, 牛塬塬, 谷玉娜, 等. 响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究[J]. 轻工学报, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
引用本文: 鲁锋, 牛塬塬, 谷玉娜, 等. 响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究[J]. 轻工学报, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
shu
LU Feng, NIU Yuanyuan, GU Yuna and et al. Response surface methodology for optimization of pefloxacin adsorption using activated carbon prepared from corncob[J]. Journal of Light Industry, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
Citation: LU Feng, NIU Yuanyuan, GU Yuna and et al. Response surface methodology for optimization of pefloxacin adsorption using activated carbon prepared from corncob[J]. Journal of Light Industry, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
shu

响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究

  • 1. 河南省周口生态环境监测中心, 河南 周口 466000;

  • 2. 郑州大学 化工学院, 河南 郑州 450001;

  • 3. 河南省杰出外籍科学家工作室, 河南 郑州 450001

    • 作者简介: 鲁锋(1980-),男,河南省周口市人,河南省周口生态环境监测中心高级工程师,主要研究方向为大气环境检测。E-mail:46436185@qq.com;

  • 基金项目: 国家自然科学基金项目(22178328)
    生物质资源加工与高效利用杰出外籍科学家工作室资助项目(GZS2022007)

  • 中图分类号: X703.1

Response surface methodology for optimization of pefloxacin adsorption using activated carbon prepared from corncob

  • 1. Zhoukou Ecological Environment Monitoring Center of He'nan Province, Zhoukou 466000, China;

  • 2. School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China;

  • 3. He'nan Center for Outstanding Overseas Scientists, Zhengzhou 450001, China

  • Received Date: 2021-05-24
    Accepted Date: 2022-03-26

    CLC number: X703.1

  • 摘要: 以农业废弃物玉米芯为原料,采用水蒸气活化法制备玉米芯基活性炭,研究其对水体中培氟沙星 (PFX)的吸附性能。结果表明:玉米芯基活性炭的微孔结构丰富,采用响应面法中Box-Behnken design模型优化出的最佳吸附条件为玉米芯基活性炭用量0.6 g/L,吸附时间382 min,PFX溶液pH值3.76;Langmuir和Koble-Corrigan等温吸附模型可以很好地描述玉米芯基活性炭对PFX的吸附过程;玉米芯基活性炭对PFX的吸附是一个自发吸热的熵增过程;吸附过程符合准二级动力学模型;当吸附温度为298 K时,玉米芯基活性炭对PFX的最大吸附量为70.42 mg/g,可用于PFX废水的处理。
    Abstract: Activated carbon prepared from agricultural wastes corncob by steam activation was investigated for the removal of pefloxacin (PFX) from aqueous solution. The results showed that the activated carbon prepared from corncob had well-developed microporous structure. The Box-Behnken design model of response surface methodology was used to optimize the optimal adsorption conditions: the amount of corncob-based activated carbon was 0.6 g/L, the adsorption time was 382 min, and the pH of the PFX solution was 3.76. The results showed that the Langmuir and Koble-Corrigan isothermal adsorption models could properly describe the adsorption behavior of PFX on activated carbon. The adsorption of PFX on activated carbon was a spontaneous, endothermic and increasing entropy process. The adsorption process of PFX on activated carbon was in accord with pseudo-second-order model. At 298 K, the maximum adsorption capacity of PFX on activated carbon was 70.42 mg/g, indicating that the corncob-based activated carbon was a promising candidate for the treatment of pefloxacin wastewater.
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  • 收稿日期:  2021-05-24
  • 修回日期:  2022-03-26
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鲁锋, 牛塬塬, 谷玉娜, 等. 响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究[J]. 轻工学报, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
引用本文: 鲁锋, 牛塬塬, 谷玉娜, 等. 响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究[J]. 轻工学报, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
shu
LU Feng, NIU Yuanyuan, GU Yuna and et al. Response surface methodology for optimization of pefloxacin adsorption using activated carbon prepared from corncob[J]. Journal of Light Industry, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
Citation: LU Feng, NIU Yuanyuan, GU Yuna and et al. Response surface methodology for optimization of pefloxacin adsorption using activated carbon prepared from corncob[J]. Journal of Light Industry, 2022, 37(5): 105-112. doi: 10.12187/2022.05.013
shu

响应面法优化玉米芯基活性炭对培氟沙星的吸附性能研究

    作者简介:鲁锋(1980-),男,河南省周口市人,河南省周口生态环境监测中心高级工程师,主要研究方向为大气环境检测。E-mail:46436185@qq.com
  • 1. 河南省周口生态环境监测中心, 河南 周口 466000;
  • 2. 郑州大学 化工学院, 河南 郑州 450001;
  • 3. 河南省杰出外籍科学家工作室, 河南 郑州 450001
  • 收稿日期: 2021-05-24
  • 录用日期: 2022-03-26
基金项目:  国家自然科学基金项目(22178328)生物质资源加工与高效利用杰出外籍科学家工作室资助项目(GZS2022007)

摘要: 以农业废弃物玉米芯为原料,采用水蒸气活化法制备玉米芯基活性炭,研究其对水体中培氟沙星 (PFX)的吸附性能。结果表明:玉米芯基活性炭的微孔结构丰富,采用响应面法中Box-Behnken design模型优化出的最佳吸附条件为玉米芯基活性炭用量0.6 g/L,吸附时间382 min,PFX溶液pH值3.76;Langmuir和Koble-Corrigan等温吸附模型可以很好地描述玉米芯基活性炭对PFX的吸附过程;玉米芯基活性炭对PFX的吸附是一个自发吸热的熵增过程;吸附过程符合准二级动力学模型;当吸附温度为298 K时,玉米芯基活性炭对PFX的最大吸附量为70.42 mg/g,可用于PFX废水的处理。

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