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Enhanced Removal of Bordeaux B and Red G Dyes Used in Alpaca Wool Dying from Water Using Iron-Modified Activated Carbon

Water (Switzerland), ISSN: 2073-4441, Vol: 14, Issue: 15
2022
  • 2
    Citations
  • 0
    Usage
  • 9
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    2
    • Citation Indexes
      2
  • Captures
    9
  • Mentions
    1
    • Blog Mentions
      1
      • Blog
        1

Article Description

The aim of this research was to explore the removal of Red G and Bordeaux B dyes from water using a packed bed column with conventional carbon (C) and iron-modified activated carbon (Formula presented.)). The bands increased in (Formula presented.), corresponding to groups already existing in C, such as C = C and C-C, and the appearance of new groups, such as C-O, C-Cl, Fe-Cl and Fe-O. The total ash content (C) was C = (10.53 ± 0.12 and 8.98 ± 0.21)% for C and (Formula presented.), respectively. A molecular structure in the shape of a cross was noticed in Bordeaux B, which was less complex and smaller than the one in Red G. For fixed-bed columns, the carbon fraction was (0.43 and 0.85) mm. The pH of the adsorbents was 8.55 for C and 4.14 for (Formula presented.). Breakthrough curves were obtained and the Thomas model (TM) and Yoon–Nelson model (YNM) were applied. The sorption capacity of Bordeaux B on C and (Formula presented.) was (Formula presented.) : (237.88 and 216.21) mg/g, respectively, but the one of Red G was (Formula presented.) : (338.46 and 329.42) mg/g. The dye removal (R) was over 55%.

Bibliographic Details

Gilberto J. Colina Andrade; Jessica M. Vilca Quilla; Ruly Terán Hilares; Kevin Tejada Meza; Alejandra C. Mogrovejo Valdivia; Jorge A. Aguilar-Pineda; Jaime D. Cárdenas García; David A. Pacheco Tanaka

MDPI AG

Social Sciences; Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences; Environmental Science

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