MODELLING THE POTENTIAL ENVIRONMENTAL IMPACTS OF THE SYNTHESIS OF C3N4 LOADED WITH CARBON QUANTUM DOTS DERIVED FROM CHITOSAN

Abstract

   The study employed material flow analysis (SFA) and the WAR (Waste Reduction Algorithm) tool to calculate potential environmental impact indexes for four scenarios and three different energy sources in the synthesis of chitosan-derived-CQDs-loaded C₃N₄. The results showed that the CQDs-loaded C₃N₄ material and the chemicals used in the synthesis do not potentially contribute to global warming. However, the energy sources used during the synthesis process have the potential to cause global warming, acidification, and photochemical oxidation. Transitioning from coal to petroleum and natural gas as an energy source for the synthesis of CQDs-loaded C₃N₄ helps to reduce potential contribution of the process to global warming.