Scholarlink

This study shows the results of the physicochemical characterizationCharacterization and isothermal analysis of the adsorption capacity of Cu2+, Ni2+, and Zn2+ in aqueous solutions of a commercially available activated carbonActivated carbon (AC) made from wood. Batch experiments were performed to determine the optimal adsorption conditions, focusing on the effect of the initial adsorbate concentration. The physicochemical characterizationCharacterization of AC was carried out by determining the point of zero charge (PZC), Fourier transform spectroscopy (FTIR)Fourier Transform Infrared spectroscopy (FTIR), Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), and High Resolution Scanning Electron Microscopy (HRSEM-EDS). The results revealed a porous structure and the presence of oxygenated functional groups that favor interaction with heavy metals. The metal adsorption results obtained indicated a significant fit to the FreundlichFreundlich model, suggesting a heterogeneous surfaceSurface and multilayer formation during adsorption. The adsorption capacity (KF) and correlation coefficient (R2) values ​​were satisfactory for all the metals evaluated, highlighting the high affinity of the adsorbent for Zinc (II) ions.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Physicochemical Characterization of Activated Carbon and Isothermal Analysis of Its Adsorption Capacity for Cu2+, Ni2+, and Zn2+

  • 会议论文

  • 发表日期：

    2026年

查看全文
  • V. Acosta-Sánchez,
  • M. Pérez-Labra,
  • M. Reyes-Pérez,
  • J. C. Juárez-Tapia,
  • J. A. Romero-Serrano,
  • A. Hernández-Ramírez,
  • V. E. Reyez-Cruz,
  • J. Martínez-Soto,
  • F. R. Barrientos-Henandez

摘要

This study shows the results of the physicochemical characterizationCharacterization and isothermal analysis of the adsorption capacity of Cu2+, Ni2+, and Zn2+ in aqueous solutions of a commercially available activated carbonActivated carbon (AC) made from wood. Batch experiments were performed to determine the optimal adsorption conditions, focusing on the effect of the initial adsorbate concentration. The physicochemical characterizationCharacterization of AC was carried out by determining the point of zero charge (PZC), Fourier transform spectroscopy (FTIR)Fourier Transform Infrared spectroscopy (FTIR), Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), and High Resolution Scanning Electron Microscopy (HRSEM-EDS). The results revealed a porous structure and the presence of oxygenated functional groups that favor interaction with heavy metals. The metal adsorption results obtained indicated a significant fit to the FreundlichFreundlich model, suggesting a heterogeneous surfaceSurface and multilayer formation during adsorption. The adsorption capacity (KF) and correlation coefficient (R2) values ​​were satisfactory for all the metals evaluated, highlighting the high affinity of the adsorbent for Zinc (II) ions.