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oa Efficiency of Platinum Gauzes in the Manufacture of Nitric Acid
A Method for Determining the Frequency of Pickling
- Source: Platinum Metals Review, Volume 11, Issue 3, Jul 1967, p. 100 - 103
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- 01 Jan 1967
Abstract
In an ammonia oxidation plant for the manufacture of nitric acid the rhodium-platinum alloy catalyst gauzes must be pickled at intervals to remove accumulated impurities such as iron oxide and so to avoid a reduction in catalytic efficiency. This article outlines a method recently devised to determine the optimum frequency of pickling required to ensure consistent operation at high efficiency.
© Johnson Matthey