Taguchi design and equilibrium modeling for fluoride adsorption on cerium loaded cellulose nanocomposite bead

Dhiman Santra; Rajib Joarder; Mitali Sarkar

doi:10.1016/j.carbpol.2014.05.040

Taguchi design and equilibrium modeling for fluoride adsorption on cerium loaded cellulose nanocomposite bead

Carbohydr Polym. 2014 Oct 13:111:813-21. doi: 10.1016/j.carbpol.2014.05.040. Epub 2014 May 27.

Authors

Dhiman Santra¹, Rajib Joarder¹, Mitali Sarkar²

Affiliations

¹ Department of Chemistry, University of Kalyani, Kalyani 741 235, India.
² Department of Chemistry, University of Kalyani, Kalyani 741 235, India. Electronic address: mitali_ku@yahoo.com.

PMID: 25037420
DOI: 10.1016/j.carbpol.2014.05.040

Abstract

The cooperative influence of operational variables for fluoride adsorption on cerium loaded cellulose nanocomposite bead (CCNB) was assessed using Taguchi design tool. The percentage contribution of each operational variable was determined. The solution pH, with a maximum contribution of 80.78%, indicates its highest influence on the response, the adsorption percent of fluoride. The quality and validity of the experimental design were assessed from ANOVA and subsequently by the confirmation experiment. The equilibrium adsorption data showed that the Temkin isotherm is the most suited one compared to the Langmuir and Freundlich model. It is found that almost 90% adsorbed fluoride can be eluted with 0.01 (N) NaOH and the regenerated bead can successively be reused for at least three times.

Keywords: Adsorption; Cerium loaded cellulose nanocomposite bead; Fluoride; Isotherm; Regeneration; Taguchi design tool.

Publication types

Research Support, Non-U.S. Gov't