Abstract
The reuse of waste generated by various industrial sectors is a practice that has been increasingly used due to impairment of industries with their social responsibility (environmental protection) or the requirements of the protection of the environment, since many residues do not have proper disposal. In the processing industry in the reuse of stones is no different. This study aims to evaluate the reuse of the oil used as a lubricant in the stone processing industry, along with water, surfactants and corrosion. To prepare the emulsions samples were used of diesel oil as a lubricant used in the cutting industry this type of industry, plus the following surfactants: Tween 20, Tween 80, sodium lauryl ether sulphate and Cetiol HE. After completing the pH, viscosity, density and phase separation in these emulsions, the conclusion was reached that the surfactant Sodium Lauryl Ether Sulfate provided the best formulation. Using this result, new emulsions prepared with the surfactant Sodium Lauryl Ether Sulfate and an anticorrosive, in this case, sodium molybdate. In such solutions containing sodium molybdate were analyzed power anticorrosive this substance, using the SAE 1020 steel plates. After these analyzes, it was found that the addition of an anticorrosive may reduce or inhibit oxidation, but in other cases, as in this study, can promote oxidation even greater.
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