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METHOD FOR RECOVERING ACID AND PLATINUM GROUP METAL FROM LEACHING SOLUTION OF WASTE CATALYST
METHOD FOR RECOVERING ACID AND PLATINUM GROUP METAL FROM LEACHING SOLUTION OF WASTE CATALYST
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机译:从废催化剂浸出液中回收酸和铂族金属的方法
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摘要
The present invention relates to a method of recovering acid and a platinum group metal from a leaching solution of a spent catalyst, more particularly, to a method of recovering acid and a platinum group metal from a leaching solution of a spent catalyst, the method including: filtering a leaching solution of a spent catalyst, providing the filtered leaching solution into a concentration chamber, and heating the filtered leaching solution to recover acid included in the leaching solution; providing a concentrated solution of the leaching solution into a substitution chamber after recovering the acid, and adding a metal for a substitution reaction; and cleaning a solid, which is separated by solid-liquid separation after the substitution reaction, with acid and recovering the platinum group metal.
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