Effect of temperature on iron leaching from bauxite residue by sulfuric acid.

Abstract:

:Bauxite residue, as solid waste from alumina production, contains mainly hematite [Fe2O3]. Kinetic study of iron leaching of bauxite residue by diluted sulfuric acid at atmospheric pressure has been investigated. The results have been obtained as following: (i) Temperature play an important role in iron leaching from bauxite residue. Higher temperature is favor of Fe(III) leaching from bauxite residue. (ii) The leaching process is applicable to the intra-particle diffusion model and the apparent activation energy of model of leaching is found to be 17.32 kJ/mol.

authors

Liu ZR,Zeng K,Zhao W,Li Y

doi

10.1007/s00128-008-9576-5

subject

Has Abstract

pub_date

2009-01-01 00:00:00

pages

55-8

issue

1

eissn

0007-4861

issn

1432-0800

journal_volume

82

pub_type

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