Modeling and optimization of dye removal using "green" clay supported iron nano-particles

Rouzbeh Abbassi, Asheesh Kumar Yadav, Naresh Kumar, Shan Huang, Peter R. Jaffe

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

This study addresses a process to produce green synthesized clay-supported nano-iron particles (CnIPs). Green tea was used to synthesize nano-particles supported on bentonite clay. Synthesized CnIPs were used for color removal of Malachite Green (MG) dye. The removal process was optimized using a Response Surface Methodology (RSM). The significance of this process over the conventional techniques of producing CnIPs was to avoid the use of hazardous chemical compounds used in their synthesis. Phyto-toxicity results on Vigna radiata by using the treated and the untreated dye solution demonstrated the decrease of in toxicity after treatment with CnIPs. Regeneration of CNIPs was also performed for evaluating the reuse potential of the CNIPs in repeated cycles.
Original languageEnglish
Pages (from-to)366-370
JournalEcological Engineering
Volume61
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • dye removal
  • clay-supported nano iron particles
  • factorial design
  • Response Surface Methodology
  • phyto-toxicity

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