Avaliação da Moringa oleifera Lam para remoção de dureza de águas

Abstract

Water is a natural resource essential to life, but the inappropriate use over the years has contributed to its scarcity becoming increasingly common use of groundwater and water from reservoirs for human and animals, showing high values salts of calcium and magnesium, turbidity and containing pathogenic microorganisms. Due to the need for alternative methods cheaper and effective for the treatment of water, this study aims to evaluate the efficiency of the seed of Moringa oleifera Lam in softening of hard water. The groundwater samples are from the tube well of the Institute of Agricultural Sciences, Montes Claros - MG. To assess the efficiency of the coagulant in groundwater assays were performed using the magnetic stirrer, the effects were evaluated at concentrations of 250 and 500 mg.L-1 of Moringa seed powder per liter of water to be analyzed. Titration was performed after 2, 24 and 48 hours. The results were satisfactory in removing calcium carbonate (CaCO3), but the best result was obtained with a concentration of 500 mg.L-1 yeast extract and 24 hour exposure time to the extract of Moringa with a reduction of 31.25% CaCO3.