CATALYST FOR PREPARING CHLORINE BY HYDROGEN CHLORIDE OXIDATION, AND PREPARATION METHOD AND APPLICAT

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A catalyst for preparing chlorine gas by hydrogen chloride oxidation, comprising the following components calculated according to mass content based on the total weight of the catalyst : 0.5-20 wt% copper; 2-10 wt% manganese; 0.05-2 wt% boron; 0.01-3 wt% chromium; 0.1-10 wt% rare earth metal; 0.1-10 wt% potassium; and 3-15 wt% titanium; also comprising 0.02-1.1 wt% phosphorus; and 0.03-1.9 wt% iron; the carrier content is 55-90 wt%. In the case of a fluidized bed reactor, the present catalyst can achieve a one-way hydrogen chloride conversion rate of 80 - 85%. Almost all of the 0-1000 mg/kg of chlorinated benzene contained in hydrogen chloride gas can be converted into CO2 and H2O without generating polychlorinated benzene.