Quick and economic method for the recovery of residual mineral oils from industries (Machine-translation by Google Translate, not legally binding)

摘要

By a fast and economic method for the recovery of residual mineral oil from industries, characterized by the fact that the recovery phases, with four, oil heating, at a temperature of 110º to 150º according to their classes, for the evaporation of water and gases, neutralization, with an alcoholic solution of soda, and washed with water and dried again with heat and agitation, discoloration by treatment of oil with active earth decolourizing or by mixing these soils, with active coals and filtration, after a slight decantation, through filter-press, through filter papers that are sufficiently dense, so that no impurities of any kind pass through. (Machine-translation by Google Translate, not legally binding)