Characterization of Kaolin Residues from the Jarí Valley Reservations Provided by Cadam S/A Company

Alexsandra Cristina Chaves; I.V. da Silva; A.L. da Silva; G.A. Neves; Danielle Nascimento Silva Oliveira

doi:10.4028/www.scientific.net/MSF.930.14

Paper Titles

Preface

Hydrothermal Synthesis of Zeolite a Using Non-Calcined Diatomite
p.3

Gelatinization Technique Applied to the Processing of Porous Clay Bodies
p.8

Characterization of Kaolin Residues from the Jarí Valley Reservations Provided by Cadam S/A Company
p.14

Phase Formation in Copper and Calcium Titanate Dielectric Ceramic Obtained by Polymeric Precursor Method
p.20

Morphological and Structural Analyses in Carbonated Magnesium-Aluminum Hydrotalcites Co-Substituted with Iron III
p.26

The Effect of Iron (III) Co-Insertion in Magnesium-Aluminum Hydrotalcites Obtained by Precipitation Method at pH 11
p.32

Proppants Development and the Shale Oil and Gas Market Perspective
p.37

Analysis of the Effect of Cyclic Fatigue on the Flexural Strength of a Ceramoceramic System Used in Dental Prostheses
p.43

HomeMaterials Science ForumMaterials Science Forum Vol. 930Characterization of Kaolin Residues from the Jarí...

Characterization of Kaolin Residues from the Jarí Valley Reservations Provided by Cadam S/A Company

Abstract:

The ceramic industry is one of the most important productive chains of the State of Pará, generating both money and employment. Kaolin has many industrial applications and new uses are constantly surveyed. Although the extraction and processing of kaolin contribute to the economy growth, the activity also provokes serious environmental issues. Being aware of the environmental problem caused by the inadequate decomposition of kaolin residues from the beneficiation process of these minerals, which pollute and attack the environment, this paper aims the chemical, physical and mineralogical characterization of the kaolin residue from the post-treatment disposal provided by CADAM S/A company. The main oxides in the residues were SiO₂ and Al₂O₃. In the X-ray diffraction analysis it was verified that the kaolin residue is basically formed by kaolinite and quartz, in the particle size analysis it was observed that the medium size of the particle was of 1,77 μm.

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22nd Brazilian Conference on Materials Science and Engineering

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Materials Science Forum (Volume 930)

Pages:

14-19

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.930.14

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Online since:

September 2018

Authors:

Alexsandra Cristina Chaves, I.V. da Silva, A.L. da Silva, G.A. Neves, Danielle Nascimento Silva Oliveira

Keywords:

Kaolin, Kaolinite, Residue, Technological Applications

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