Method for Removing Chlorine from Waste Oil Fractions Containing High Content of Chlorine Using Solid Acid Material

A method for removing chlorine from a waste oil fraction, the method comprising the steps of:

• a) preparing a mixture of a chlorine-containing waste oil fraction and a solid acid material;
• b) reacting the mixture at a pressure of 1 bar or more and 100 bar or less under an inert gas atmosphere to remove chlorine;
• and
• c) separating a dechlorinated oil fraction and the solid acid material from the mixture and recovering the dechlorinated oil fraction,
• wherein the waste oil fraction includes 5 to 50 wt % of components having a boil fractioning point (bp) of lower than 150° C. with respect to a total weight of the waste oil fraction and
• satisfies the following Relation 1:
• 0.85<B/A<1.15 [Relation 1]
• wherein A is a wt % of components having bp of 150° C. or higher with respect to the total weight of the waste oil fraction, and B is a wt % of components having bp of 150° C. or higher with respect to a total weight of the dechlorinated oil fraction.