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Macaúba (Acrocomia Aculeata) is a palm tree typical of the Brazilian savanna with great socioeconomic interest due\udto its high capacity of vegetable oil production with high levels of fatty acids. This paper evaluated the technical viability of\udsaponified macaúba’s nut oil (SMNO) as a collector in apatite’s micro flotation in Hallimond tube, being the oil chemically\udcharacterized and saponified before its utilization. Tests were performed varying the solution pH (8, 9 and 10) and collector\udconcentration (2.5, 5.0, 7.5 e 10 mg/L). To compare the obtained results with SMNO the industrial collector Clariant’s\udFlotigan 5806 was used in the same tests conditions. Results shows that SMNO reached the highest recoveries rates of\udapatite in pH 8 and 9, particularly at the concentrations 7.5 and 10 mg/L. When compared to Flotigam 5806, the MNO\udshowed lower recoveries at all pHs and concentrations tested

MICROFLOTAÇÃO DE APATITA UTILIZANDO ÓLEO DA CASTANHA DE MACAÚBA (Acrocomia Aculeata) COMO COLETOR