METHOD FOR SUPPLYING HYDROGEN FLUORIDE IN SYNTHETIC REACTION OF CFC OR HCFC

摘要

PURPOSE: A new method for supplying hydrogen fluoride capable of resolving the attachment of a reaction catalyst on a wall surface by installing a draft tube and a plurality of distribution tubes and dip pipes on a reactor for synthesizing CFC or HCFC is provided, which has the advantage of resolving corrosive problems as fatal problems generate in a ring sparger. CONSTITUTION: In a method for supplying hydrogen fluoride in a liquid reaction for synthesizing chlorofluorocarbon or hydrochlorofluorocarbon using antimony fluoride chloride as a catalyst, the method comprises the steps of: installing a plurality of distribution tubes (8) at the outside of a reactor; installing a draft tube (11) connected to the distribution tubes in the reactor and providing a circulation path of a plurality of dip pipes (9) and reactor contents disposed in the vicinity of an inner wall of the reactor; and supplying hydrogen fluoride to the vicinity of the inner wall of the reactor through the distribution tubes and the draft tube, wherein a number of the distribution tubes and draft tube are 3 to 20 and an outside diameter of the distribution tubes is 20 to 95% of an inside diameter of the reactor.