Evaluation of Bentonite Clay Type in the Chocobofe Zinc Adsorption in Finite Bath System

Abstract:

In this work the smectite clays Chocobofe from the state of Paraíba was investigated to evaluate their affinity and capacity for removal of zinc using a finite bath system. The clay was characterized by means of X-Ray Diffraction (XRD), Infrared Spectroscopy in the Region (IV) and Cation Exchange Capacity (CEC) and Physical Adsorption of Nitrogen (BET method). A 2² factorial design was conducted with three center points in a finite bath system to determine the percentage removal (% Rem) and removability (qeq) of the clay. Values of 83.35 to 98.83% and the percentage removal from 3.83 to 4.24 mg / g removal were achieved in experiments, indicating that the use of clay Chocobofe appears as a promising alternative to remove of Zn²⁺

• Periodical: Materials Science Forum (Volume 820)
• Pages: 539-544
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.820.539
• Online since: June 2015
• Authors: J.V. do N. Silva, Janaína Rafaella Scheibler, M.G.F. Rodrigues
• Keywords: Chocobofe Clay, Finite Bath, Zinc

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