Method for washing reactor

摘要

A method for washing a reactor according to the present invention is characterized in that a solvent which contains at least one oil selected from the group consisting of hydrocarbons and plant oils, has a sulfur content of less than 5 ppm and has a liquid form at 15˚C is allowed to pass through a wax fraction hydrocracking device in which a catalyst is filled and the supply of a wax fraction has stopped.