Comparison of production costs and degree of pollution by emissions in the industrial sector of Ecuador using natural gas as fuel by means of process simulation. INQUIDE - Ingeniería Química y Desarrollo, [S. l.], v. 2, n. 01, p. 52–60, 2022. DOI: 10.53591/iqd.v2i1.2105. Disponível em: https://revistas.ug.edu.ec/index.php/iqd/article/view/1808. Acesso em: 5 dec. 2025.