Uso de materiais de baixo custo para remoção de íons cu2+ e pb2+em colunas de leito fixo / Use of low cost materials to remove ions cu2 + and pb2 + in fixed bed columns

Authors

  • Anne Priscila Oliveira da Silva
  • Elaine da Cunha Silva Paz
  • Marcelo Mendes Pedroza
  • Jailson Vieira de Melo

DOI:

https://doi.org/10.34117/bjdv5n6-1675

Keywords:

Vermiculita, quitosana, adsorção, metais pesados.

Abstract

Os metais pesados são usados em muitos processos industriais, tal como, fabricação de utensílios domésticos. Estes são prejudiciais para o meio ambiente e seres vivos. A procura do melhoramento do processo de adsorção com materiais de baixo custo foi o que incentivou o desenvolvimento deste trabalho, realizado com o objetivo de remover Cu2+ e Pb2+ de soluções aquosas. Utilizou-se a quitosana e a vermiculita, o qual estes materiais são comumente utilizados segundo a literatura como materiais adsorventes. Neste trabalho é discutida a modificação da vermiculita expandida com a quitosana, através de um estudo de adsorção de metais em ensaios de colunas. Para caracterização do material obtido foram usadas as seguintes técnicas: Espectroscopia na região do infravermelho (IV) e Análise térmica (TG/DTG). O conjunto de dados obtido mostra que o processo de adsorção com o material modificado é satisfatório para elementos de pequeno tamanho de partícula.

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Published

2019-04-04

How to Cite

Silva, A. P. O. da, Paz, E. da C. S., Pedroza, M. M., & Melo, J. V. de. (2019). Uso de materiais de baixo custo para remoção de íons cu2+ e pb2+em colunas de leito fixo / Use of low cost materials to remove ions cu2 + and pb2 + in fixed bed columns. Brazilian Journal of Development, 5(6), 4797–4809. https://doi.org/10.34117/bjdv5n6-1675

Issue

Section

Original Papers