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4872909 Process for acid leaching of manganese oxide ores aided by hydrogen peroxide


Book ID
123514501
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
117 KB
Volume
3
Category
Article
ISSN
0892-6875

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Oxidation of manganese(II) by ozone and
โœ Frank Jacobsen; Jerzy Holcman; Knud Sehested ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 182 KB ๐Ÿ‘ 1 views

Manganese(II) is oxidized by ozone in acid solution, k ฯญ (1.5 ฯฎ 0.2) ฯซ in HClO 4 and in H 2 SO 4 . The plausible mechanism is 3 ฯช1 ฯช1 3 ฯช 1 ฯช 1 10 M s k ฯญ (1.8 ฯฎ 0.2) ฯซ 10 M s an oxygen atom transfer from O 3 to producing the manganyl ion which subse-2ฯฉ 2ฯฉ Mn MnO , quently reacts rapidly with to for