Platinum Recovery in Ammonia Oxidation Plants

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Abstract
Since the initial development of the gold-palladium catchment gauze system for platinum recovery in 1968 considerable practical experience has been obtained. The optimism expressed at that time proved to have been well founded, recovery figures in excess of 60 per cent of the gross platinum losses having been regularly obtained. Some initial problems with the mechanics of installation have now been overcome and this article describes the practical aspects of the recovery system and its effect on the economics of the ammonia oxidation process.

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