Martínez, V., Martínez, M., Reategui, K. and Escobar, M. 1. Cu (II), Cd (II) and Zn (II) adsorption by the Cuare Mangrove Peat, Falcon State, in different degrees of artificial maturation. Rev. Téc. Fac. Ing. Univ. Zulia. 35, 1 (1).