Daniel VillegasGarcía Becerra2026-03-222026-03-221986https://andeanlibrary.org/handle/123456789/63901Determination of the properties related to the lubricating power of: commercial oils, used oils, improved oils. Search for a behaviour pattern of pollution, deterioration and improvement of used oil. By means of a process which combines a period of acidification-neutralization with a catalytic hidrotreatment, the lubricating properties can be improved without recovering the transparency of the original product. Testing of mixtures mode of commercial oils and used oils.esEnvironmental sciencePulp and paper industryChemistryEstudio exploratorio sobre caracterización y mejoramiento de las propiedades de aceites lubricantes descartados después de un período normal de usoarticle