AN APPARATUS FOR THE TREATMENT OF WASTE PETROLEUM OIL FOR OBTAINING REFINED PETROLEUM OIL THEREFROM

摘要

An apparatus for the treatment of waste petroleum oil for obtaining •efined petroleum oil therefrom comprising a distillation column having an inlet lear its base, means for separating and removing as vapour, the various fractions from the recirculating oil, means for maintaining vacuum, a heater and i plurality of chambers disposed over the bottom section of the column, one ibove the other, chambers being separated from each other by trays and means 3rovided for at least one chamber for spraying cold oil therein.