Projeto e análise de viabilidade financeira de uma planta de produção de biogás e cogeração de energia elétrica em uma propriedade rural de suinocultura

Abstract

The western region of Paraná has a significant production of swines, with Toledo being the highlighted city with 1.17 million animals raised in 2020. An alternative for mitigating environmental impacts and making use of waste is its transformation, through anaerobic biodigestion, into biogas and biofertilizer. In view of this, the objective of the work was the elaboration of a basic project of a plant for the production of biogas and cogeneration of electric energy from the use of swine waste from a swine farming in the city of Toledo-PR, as well as the analysis financial viability of the project. The work was elaborated from the survey of data on the swine and bioenergy market, using software for making the diagrams, sizing equipment and financial analysis. The estimated CAPEX of the project was R$ 912,850.00 ($175,548.07 quoted on 12/20/2022); with a payback period of 50 months and an accumulated cash flow of R$ 2,880,510.00 ($553,994.23 quoted on 12/20/2022). In view of this, the biogas production and energy cogeneration plant designed in this work proved to be feasible for implementation, reducing the environmental impacts caused by waste and consequently generating a sustainable circular economy.