Abstract
Bimetallic Pt/Co loaded on GO adsorbance was produced following a series of simple hydrothermal methods. The produced bimetallic Pt/Co loaded GO material was used in the maxilon blue 5G removal (MB 5G) and investigated its adsorption studies. The adsorption studies on removal of MB 5G using the bimetallic Pt/Co loaded on GO material were carried out performing different experimental conditions like ultrasonic irradiation time (1-120 min), temperature (24-55 oC), initial MB 5G concentration (0.7.10-5- 1.5.10-5 M), and pH (4- 10) to detect optimum removal conditions. The reaction kinetics were investigated by pairing the so-called first-order pseudo-second-order and intraparticle diffusion in the adsorption process study. In addition, enthalpy, entropy and Gibbs free energy, and thermodynamic activation functions were investigated in order to understand the adsorption mechanism. These data showed that the bimetallic Pt/Co loaded on GO material can be used as an effective nano adsorbent for the removal of MB 5G as an organic pollutant in an aquatic medium.
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