Effects of temperature and particle size on the adsorption of Remazol Golden Yellow RNL in activated carbon - DOI: 10.4025/actascitechnol.v31i2.1310

Authors

  • Expedito Besinella Junior UNIOESTE Author
  • Melissa Souza Matsuo UNIOESTE Author
  • Mabel Walz UNIOESTE Author
  • Aracélis Ferreira da Silva Centro de Biotecnologia da Amazônia Author
  • Classius Ferreira da Silva UNIOESTE Author

DOI:

https://doi.org/10.4025/actascitechnol.v31i2.1310

Keywords:

adsorption, textile dyes, adsorption isotherms, activated carbon

Abstract

Textile industries have environmental problems due to high levels of COD and color. Adsorption is one of the most important processes used to remove color from effluent. Adsorption isotherms of Remazol Gold Yellow Remazol RNL reactive dye in activated carbon were determined. Two parameters were studied: temperature (30 and 40°C) and particle size (1.70 ± 0.30 mm e 3.00 ± 0.40 mm). Results show that an increase in temperature or a decrease in particle size promotes an increase in the adsorption. The Langmuir-Freundlich equation was the best-fitted model for the experimental data.

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Author Biographies

  • Aracélis Ferreira da Silva, Centro de Biotecnologia da Amazônia
    Engenheira Têxtil formada pela UEM em 1996, Mestre em Engenharia Quí­mica (Írea de Tecnologia de Polí­meros) pela Faculdade de Engenharia Quí­mica da UNICAMP. Atua como pesquisadora no Centro de Biotecnologia da Amazônia em Manaus-AM.
  • Classius Ferreira da Silva, UNIOESTE
    Atualmente é professor adjunto da Universidade Federal de São Paulo (Campus de Diadema), atuando principalmente nos seguintes temas: encapsulação de bioativos, biopolí­meros e processos de adsorção. Currí­culo Lattes

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Published

2009-06-17

Issue

Vol. 31 No. 2 (2009)

Section

Chemical Engineering

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How to Cite

Besinella Junior, E., Matsuo, M. S., Walz, M., Silva, A. F. da, & Silva, C. F. da. (2009). Effects of temperature and particle size on the adsorption of Remazol Golden Yellow RNL in activated carbon - DOI: 10.4025/actascitechnol.v31i2.1310. Acta Scientiarum. Technology, 31(2), 185-193. https://doi.org/10.4025/actascitechnol.v31i2.1310

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