PREPARATION METHOD FOR PRECIOUS METAL CATALYSTS

摘要

PURPOSE: A manufacturing method of a jewelry catalyst is provided to have excellent durability of the jewelry catalyst even when used for a long period of time at high temperatures, and to maximize activity by increasing dispersibility of jewelry. CONSTITUTION: A manufacturing method of a jewelry catalyst comprises the following steps: a step of preparing a carrier containing a jewelry solution; and a step of processing ammonia solution vapor to the prepared carrier. The carrier preparing step comprises the following steps: a step of preparing a solution with jewelry or an organic solvent, and a metal oxide group carrier; and a step of drying after dipping the prepared metal oxide group carrier to the solution with the jewelry or organic solvent. The ammonia solution vapor processing step comprises the following steps: a step of reacting by placing the prepared carrier into a chamber containing the ammonia solution without contacting; and a step of reducing or plasticizing the reacted carrier. The jewelry is platinum. The carrier is ceramic type containing zeolite.