Nanoclay and Modified Nanoclay as Sorbents for Anionic, Cationic and Nonionic Dyes

Yiqi Yang, Shinyoung Han, Qinguo Fan, Samuel C. Ugbolue

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The nanoclay, montmorillonite, and some modified nanoclays were used as sorbents for nonionic, anionic and cationic dyes. From the sorption differences among the different dye and clay structures, both chemical and morphological, the sorption forces that played important roles were identified. The nanoclay could easily have a sorption capacity of more than 600 mg sorbate per gram of sorbent at a liquor-to-sorbent ratio of 100 to 1. Furthermore, it could have a sorption of 90% at an initial dye concentration of 6 g/L, or 60% based on the weight of the sorbent, indicating an extremely high dye affinity. This study showed that with certain modifications the nanoclay, montmorillonite, could easily become an excellent sorbent for anionic, cationic and nonionic dyes.

Original languageEnglish (US)
Pages (from-to)622-627
Number of pages6
JournalTextile Research Journal
Volume75
Issue number8
DOIs
StatePublished - Aug 2005

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Sorbents
Coloring Agents
Dyes
Sorption
Bentonite
Clay minerals
Clay

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

Cite this

Nanoclay and Modified Nanoclay as Sorbents for Anionic, Cationic and Nonionic Dyes. / Yang, Yiqi; Han, Shinyoung; Fan, Qinguo; Ugbolue, Samuel C.

In: Textile Research Journal, Vol. 75, No. 8, 08.2005, p. 622-627.

Research output: Contribution to journalArticle

Yang, Yiqi ; Han, Shinyoung ; Fan, Qinguo ; Ugbolue, Samuel C. / Nanoclay and Modified Nanoclay as Sorbents for Anionic, Cationic and Nonionic Dyes. In: Textile Research Journal. 2005 ; Vol. 75, No. 8. pp. 622-627.
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