Caracterización físico-química de lodos residuales de la mina de pétreos Quinara para su uso en la fertilización de suelos

Abstract

Abstract: In order to propose the use of residual sludge from the Quinara stone mine for soil fertilization, that is; provide macronutrients and micronutrients necessary for the production of crops in which they improve production for the farmer. For This is why the samples taken in the sludge accumulation zone were characterized in regarding its chemical, mineralogical and physical composition in granulometry, density and humidity. Where it was found that the main macronutrient of these sludge is calcium oxide. Iron, as well as Potassium, Calcium and Phosphorus, which, together with an average diameter of particles of 0.070 mm and a density of 2.50 g/cm3 , make them perspectives to be used as raw material in the production of organic composting, or in direct application to the soil for the fertilization of crops in which these soils are lacking in nutrients and low in infiltration and fluid retention. All of this also contributes to mitigating the impact negative environmental that the dumping and application of traditional chemical fertilizers causes on the floor.