This document proposes a potential energy recovery process of polystyrene solid waste through the pyrolysis process for the city of Bucaramanga in Colombia through a documentary review. In addition, a comparison of the conditions of the processes used and characteristics of the products obtained is presented. For the development of this document, some sources of information were selected only from articles of indexed scientific journals in an interval of years from 2015 to 2020 analyzing the information collected in a descriptive and explanatory way, having a qualitative and quantitative level of measurement.