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Kinetic oxidations of phenol by piroluzit containing minerals

Authors:
O. V. Cheremisina1
M. A. Sulimova2
D. E. Chirkst3
  • 1 — National Mineral Resources University (Mining University)
  • 2 — National Mineral Resources University (Mining University)
  • 3 — National Mineral Resources University (Mining University)
Date submitted:
2016-11-08
Date published:
2013-03-01

Abstract

The kinetics parameters of phenol oxidation by MnO2 on the surface of iron-manganese nodules  at pH = 5,5±0,5 at temperature region from 293 till 353 K was described in this paper. The oxidation reaction runs by second order on phenol. At temperature region from 293 till 353 K the limited stage is chemical reaction. The activation energy of oxidation on the surface of iron-manganese nodules is equal 6,65 kJ/mol, and it is less than it’s one for oxidation on MnO2 surface (42,0 kJ/mol). The oxidation products are hydrohinon and less than 10 pier. % p-benzohinon.

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