Biology and Medicine

Luis Cumbal

Publications

• Research Article
  Optimized Synthesis of Multicomponent Nanoparticles for Removing Heavy Metals from Artificial Mine Tailings
  Author(s): Carina Stael and Luis CumbalCarina Stael and Luis Cumbal
  
  Treatment of artificial mine tailings with multicomponent nanoparticles (MCNPs) has reached removals higher than 99.00% for Pb, Zn, Ag, Cu, As and Ni using a standardized laboratory procedure. However, it is believed that the amount of reactants can be optimized and make it a profitable technique. In this study, the amount of NaBH4 and FeCl3 was reduced in 90.00% and in 99.50%, respectively, without affecting the removal of heavy metals from the artificial mine tailings. This new procedure utilized only 25 mL of 1.0 mM FeCl3, 25 mL of 0.7 mM Na2SO4 and 3 mL of 0.8M NaBH4 prepared with nitrogenized water. Size and spherical shape of nanoparticles obtained with Transmission Electron Microscopy showed no difference compared to the particles prepared with the former procedure. Also, removals of Cu, Zn, Ni in 5 minutes were higher than 99.50%. Thus an enhanced .. View More»
  DOI: 10.4172/0974-8369.1000288

  Abstract PDF