TRISNAWATI, E. .; DAMAJANTI, N. Reduction of Heavy Metal Levels (Pb and Fe) in Chemical Laboratory Wastewater by the Coagulation Method using Moringa Seeds Bio-coagulants (Moringa oleifera). Research in Chemical Engineering, [S. l.], v. 2, n. 2, p. 34–38, 2023. DOI: 10.30595/rice.v2i2.90. Disponível em: https://ejournal.ump.ac.id/rice/article/view/90. Acesso em: 21 jan. 2026.