Removal of fluoride from aqueous solution and groundwater by wheat straw, sawdust and activated bagasse carbon of sugarcane

Asheesh Kumar Yadav, Rouzbeh Abbassi, Asha Gupta, Mohammad Dadashzadeh

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

The aim of this research work is to design and develop a novel cost effective strategy for fluoride removal, applicable to rural areas of developing countries. Most of the adsorbents based technologies for fluoride removal works at acidic pH which is not feasible condition for application to rural areas. This study investigates the feasibility of three low-cost agricultural biomass based adsorbents namely: activated bagasse carbon (ABC), sawdust raw (SDR), and wheat straw raw (WSR) for water defluoridation, at neutral PH range. Performance of these adsorbents was compared with commercially available activated carbon (CAC). The CAC, ABC, SDR, and WSR removed 57.6, 56.4, 49.8 and 40.2% respectively from an aqueous solution of 5 mg L−1 fluoride at pH 6.0, with the contact period of 60 min and a dose of 4 g L−1. All adsorption experimental data followed the Freundlich isotherm. The adsorption kinetic was also studied in terms of pseudo-first-order, pseudo-second-order and intraparticle diffusion models. Mechanism of fluoride removal was found to be complex. In addition, both surface adsorption and intra-particle diffusion contribute to the rate determining step. An updated list of biomass based adsorbents reported in scientific literatures was prepared and compared with adsorbents used in this study.
LanguageEnglish
Pages211-218
Number of pages9
JournalEcological Engineering
Volume52
DOIs
Publication statusPublished - 9 Feb 2013

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fluoride
straw
activated carbon
aqueous solution
wheat
groundwater
adsorption
rural area
biomass
research work
cost
isotherm
developing world
kinetics
removal
sawdust
water

Keywords

  • Defluoridation
  • Agricultural waste
  • Activated bagasse carbon
  • Sawdust raw
  • Wheat straw raw

Cite this

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title = "Removal of fluoride from aqueous solution and groundwater by wheat straw, sawdust and activated bagasse carbon of sugarcane",
abstract = "The aim of this research work is to design and develop a novel cost effective strategy for fluoride removal, applicable to rural areas of developing countries. Most of the adsorbents based technologies for fluoride removal works at acidic pH which is not feasible condition for application to rural areas. This study investigates the feasibility of three low-cost agricultural biomass based adsorbents namely: activated bagasse carbon (ABC), sawdust raw (SDR), and wheat straw raw (WSR) for water defluoridation, at neutral PH range. Performance of these adsorbents was compared with commercially available activated carbon (CAC). The CAC, ABC, SDR, and WSR removed 57.6, 56.4, 49.8 and 40.2{\%} respectively from an aqueous solution of 5 mg L−1 fluoride at pH 6.0, with the contact period of 60 min and a dose of 4 g L−1. All adsorption experimental data followed the Freundlich isotherm. The adsorption kinetic was also studied in terms of pseudo-first-order, pseudo-second-order and intraparticle diffusion models. Mechanism of fluoride removal was found to be complex. In addition, both surface adsorption and intra-particle diffusion contribute to the rate determining step. An updated list of biomass based adsorbents reported in scientific literatures was prepared and compared with adsorbents used in this study.",
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Removal of fluoride from aqueous solution and groundwater by wheat straw, sawdust and activated bagasse carbon of sugarcane. / Kumar Yadav, Asheesh ; Abbassi, Rouzbeh; Gupta, Asha ; Dadashzadeh, Mohammad.

Vol. 52, 09.02.2013, p. 211-218.

Research output: Contribution to journalArticle

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AU - Kumar Yadav, Asheesh

AU - Abbassi, Rouzbeh

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