Evaluation of the Potential of Boiler Ash from Palm Oil Millas an Alternative Material for the Improvement of Acid Coal Main Drainage. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 25, n. 1, p. 90–98, 2024. DOI: 10.21743/pjaec/2024.06.09. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/9. Acesso em: 21 jun. 2025.