Evaluation of cryolite from pitinga (Amazonas-Brazil) as a source of hydrogen fluoride

Evaluation of cryolite from pitinga (Amazonas-Brazil) as a source of hydrogen fluoride

This paper reports the use of cryolite from the Pitinga Mine (Amazonas state, Brazil) as raw material in hydrogen fluoride production. Samples were initially characterized by chemical and mineralogical analyses. They presented low silica content (< 4 wt.%). After milling, cryolite samples were di...

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Bibliographic Details
Main Authors: Jéssica F. Paulino, Reiner Neumann, Júlio C. Afonso
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2016-05-01
Series:Química Nova
Subjects:
cryolite
hydrogen fluoride
sulfuric acid
acidic leaching
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422016000400496&lng=en&tlng=en

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