✦ LIBER ✦

Electrocatalytic hydrogenation processes controlled potential—1. The electrocatalytic reduction of nitric acid

✍ Scribed by J.F. van der Plas; E. Barendrecht

Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 558 KB
Volume: 25
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(80)87162-3

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✦ Synopsis

Abslract-Methods are described to control the catalyst potential during the electrocatalytic hydrogenation of nitric acid in a slurry electrode cell. The influence of traces of GeO, on the hydrogenation reaction is studied with a platinum electrode. Deposition of Ge on the platinum surface limits the amount of adsorbed hydrogen and enhances the nitric acid reduction. This changes the mixed potential of the hydrogen-nitric acid svstem on the olatinum (catalvst) surface. A similar potential change occurs, when the partial hydrogen press&e in the sy&n is al&red. _

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