F. Correa-Mahecha, D.M. Cuesta-Parra, A.X. Mejia Perilla, L.A. Moreno Barriga, A.M. Gomez Ortiz, Removal of Azo Dyes Through a Natural Coagulant Obtained from Coffee Waste (coffea Arabica), Chemical Engineering Transactions. 99 (2023) 103-108. doi:10.3303/CET2399018.