Batch adsorption experiments were conducted in the laboratory, aiming to the removal of aluminum from aqueous solutions onto powdered marble wastes (PMW) as an effective inorganic sorbent, which is inexpensive, widespread, and may represent an environmental problem. The main parameters (i.e., initial solution pH, sorbent and AL(3+) ions concentrations, stirring times and temperature) influencing the sorption process in addition to the effect of some foreign ions was examined. The results obtained revealed that the sorption of AL(3+) ions onto PMW is endothermic in nature and followed first-order kinetics. The adsorption data were well described by the Langmuir, Freundlich and Dubinin-Radushkevich (D-R) adsorption models over the concentration range studied. Under the optimum experimental conditions employed, the removal of ca. 100% of AL(3+)ions was attained. The procedure was successfully applied to the removal of aluminum from aqueous and different natural water samples with an RSD (%), does not exceed 2.12%. Moreover, the adsorption mechanism is suggested.