A Review on Carbon Dioxide Chemical Absorption for Biogas  Upgrading. International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 9, n. 3, p. 103–107, 2021. Disponível em: https://acspublisher.com/journals/index.php/ijircst/article/view/10501.. Acesso em: 23 jul. 2024.