2014
Melo Lopez, Andy Alan, Veloz Rodriguez Maria Aurora, Reyes Cruz Víctor Esteban(2014), Study of Clays Electrochemical Purification, CHEMICAL ENGINEERING TRANSACTIONS, ISBN 978-88-95608-32-7; ISSN 2283-9216 pp 55-60
Abstract
Clays, are usually accompanied by other minerals as impurities such as quartz, anatase and especiallyiron as hydrated oxides or as intercrystalline replacement element. The presence of this iron affects claysin some industrial applications such as in production of ceramics, paper, refractories, etc. Then, itsremoval is necessary and beneficial. In this work an electrochemical study of two samples of clay from thestate of Hidalgo, is presented. The two types of clay were characterized by the technique of massspectrometry with inductively coupled plasma (ICP). The samples were also studied by electrochemicaltechniques such as cyclic voltammetry and cathodic inversion voltammetry which showed the energypotential conditions where impurities removal is possible. Samples tested were characterized by scanningelectron microscopy (SEM) before and at the end of the process.
Pyrite?Arsenopyrite Galvanic Interaction and Electrochemical Reactivity
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