Effect of Mechano-chemical activation and mineralogy of chromite on the formation and Dissolution of Cr(VI) in Aqueous Solutions

Rao, D S and Narasimhan, B R V and Srikanth, S and Vijayakumar, T V and Ravi Kumar, B and Mehrotra, S P (2006) Effect of Mechano-chemical activation and mineralogy of chromite on the formation and Dissolution of Cr(VI) in Aqueous Solutions. Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)

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Abstract

The two stable oxidation states of chromium are +3 and +6 respectively. In nature, chromium occurs in its triv-alent state mainly as chromite and the hexavalent form is seldom found. Pure chromite (FeCr2O4) has a normal spinel structure (AB2O4)where CR is exclusively trivalent and occupies the octahedral sites whereas the iron is divalent and occupies the tetrahedral sites in a closed pack cubic lattice of oxygen.

Item Type: Project Reports (Exploratory (OLP))
Uncontrolled Keywords: manganese oxides; hydroxides; pyrolusite; chromium
Subjects: Metallurgy
Divisions: NML Chennai
Depositing User: Users 5 not found.
Date Deposited: 23 Jul 2013 12:20
Last Modified: 23 Jul 2013 12:20
URI: http://eprints.nmlindia.org/id/eprint/6475

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