| português (Brasil)English | A-AA+
    • português (Brasil)
    • English
  • Enviar Arquivo
  • Portal IFRN
  • Navegar  
    • Comunidades e Coleções
    • Por data do documento
    • Autores
    • Títulos
    • Assuntos
  • Sobre
  • Ajuda  
    • Em Construção
  • Entrar
Ver item 
  •   Página inicial
  • Trabalhos acadêmicos e técnicos
  • Defendidos no IFRN
  • Trabalho de conclusão de curso de especialização
  • Gestão Ambiental
  • Ver item
  •   Página inicial
  • Trabalhos acadêmicos e técnicos
  • Defendidos no IFRN
  • Trabalho de conclusão de curso de especialização
  • Gestão Ambiental
  • Ver item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Navegar

Todo o repositórioComunidades e ColeçõesPor data do documentoAutoresTítulosAssuntosEsta coleçãoPor data do documentoAutoresTítulosAssuntos

Minha conta

Entrar

Caracterização tecnológica do rejeito de sheelita do Município de Currais Novos/RN

Thumbnail
Visualizar/Abrir
Artigo (1.125Mb)
Data
2019-12-09
Autor
Silva, Geovane Nascimento
http://lattes.cnpq.br/3862208969357279
http://lattes.cnpq.br/3946223809924016
Barbosa, Cleonilson Mafra
Metadados
Mostrar registro completo
Resumo
The present study aims to identify an alternative for the Scheelite tailings reuse from a mine located in Currais Novos / RN, as a way to minimize environmental impacts. At the height of Scheelita's exploration the concentrated material was superior to the tailings. By contrast, this picture has now reversed, making tailings piles a big problem. This waste has a large amount of Calcite, which makes it relevant because it is used in the cement, paper and related industries; All this material is wasted due to the lack of optimization and modernization of equipment used by mining companies in beneficiation. The acquired tailings sample was sieved and added to H2SO4 to undergo the leaching process, and then sent for analysis by EDX, which identifies which oxides are present. Chemical characterization reveals that the tailings have important oxides and can be used as aggregates in industry, contributing to sustainable development. As an example, we have the most abundant oxide in the test results, Calcium Oxide (CaO) that can be used in construction. Because the material is a tailings sample, WO3 was identified only after ninety-six hours of leaching with a low percentage. These results underscore the importance of analyzing mineral tailings to assist in the development of discussions and practices that encompass natural resources with sustainable practices avoiding waste.
URI
http://memoria.ifrn.edu.br/handle/1044/1736
Coleções
  • Gestão Ambiental
Entre em contato | Deixe sua opinião
Instituto Federal do Rio Grande do Norte Copyright © 2015 
 
Entre em contato | Deixe sua opinião
Instituto Federal do Rio Grande do Norte Copyright © 2015