authors Valencia Huaman, Angel Gabriel Fuentes Mamani, Sandro Henry Mamani De La Cruz, Luis Fernando VELASCO LOPEZ, FRANCISCO JAVIER Churata, Rossibel Silva Vela, Alejandro Mamani Quispe, Jose Almiron, Jonathan
keywords catalytic efficiency; chemical recycling; polypropylene; pyrolysis; synthesis; volcanic materials; zeolite; zsm-5