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Hematite Precipitation from High Iron Solution in Hydrometallurgy Process by Zhigan Deng; Chang Wei; Xingbin Li; Cunxiong Li; Gang Fan; Minting Li is a book available to read on EtoBox.

What is Hematite Precipitation from High Iron Solution in Hydrometallurgy Process about?

Iron precipitation occupies a vital position in the metallurgy industry, especially for treating iron-bearing sphalerite in hydrometallurgical processes. This paper emphasizes techniques for removing iron from high-iron sphalerite via hematite precipitation, and describes the results of research performed to examine ferrous oxydrolysis and precipitation. The behavior and mechanism of conversion between the iron phase and hematite residue at elevated temperature under pressure is ascertained by investigating the dissolving characteristic and thermodynamics stable area of hematite at sulfate system. The results show hematite precipitation went through the process of crystallization, dissolve, oxidation and precipitation of ferrous sulfate, and the overall iron precipitation was determined to be controlled by the rate of ferric sulphate hydrolysis rather than the oxidation of ferrous sulphate or the re-dissolution of ferrous sulphate crystals, or the transformation of basic ferric sulphate.

Author

Zhigan Deng; Chang Wei; Xingbin Li; Cunxiong Li; Gang Fan; Minting Li

Publisher

Springer International Publishing : Imprint : Springer

Published

2018

Language

EN

ISBN

9783319721378

Subjects

Science, Engineering, Stem