Utilization of the agricultural waste (Cicer arientinum Linn fruit shell biomass) as biosorbent for decolorization of Congo red

L. Sivarama Krishna, A. Sreenath Reddy, A. Muralikrishna, Wan Zuhairi Wan Yaacob, Hasnah Osman, A. Varada Reddy

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Investigations have been carried out to study the use of Bengal gram fruit shell (SP) as a low-cost, eco-friendly biosorbent for the removal of Congo red (CR) from aqueous solution. Fourier transform infrared spectrometer and SEM were used to carry out characteristic studies on the material prepared. The effects of solution pH, biosorbent dosage, dye concentration, temperature, and contact time on the biosorption of CR onto the SP were investigated. The experimental results showed that maximum pH for efficient CR biosorption was about 8.0. Langmuir and Freundlich isotherm models were used for analyzing the equilibrium data. The maximum monolayer biosorption capacity was found as 22.22 mg g−1 at 35°C. Kinetic studies indicated that the pseudo-second-order model fitted the experimental data well. Thermodynamic parameters demonstrated that the biosorption process was spontaneous and endothermic. The results revealed that the SP could be used as a low-cost and eco-friendly alternative biosorbent for the CR removal from wastewater.

Original languageEnglish
Pages (from-to)2181-2192
Number of pages12
JournalDesalination and Water Treatment
Volume56
Issue number8
DOIs
Publication statusPublished - 20 Nov 2015

Fingerprint

Agricultural wastes
Biosorption
Fruits
Biomass
fruit
shell
biomass
cost
Fourier transform
dye
isotherm
spectrometer
aqueous solution
thermodynamics
scanning electron microscopy
wastewater
kinetics
Infrared spectrometers
Isotherms
Costs

Keywords

  • Adsorption models
  • Agricultural by-product
  • Bengal gram fruit shell (SP)
  • Congo red
  • Kinetics
  • Thermodynamic parameters
  • Wastewater treatment

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Utilization of the agricultural waste (Cicer arientinum Linn fruit shell biomass) as biosorbent for decolorization of Congo red. / Sivarama Krishna, L.; Sreenath Reddy, A.; Muralikrishna, A.; Wan Yaacob, Wan Zuhairi; Osman, Hasnah; Varada Reddy, A.

In: Desalination and Water Treatment, Vol. 56, No. 8, 20.11.2015, p. 2181-2192.

Research output: Contribution to journalArticle

Sivarama Krishna, L. ; Sreenath Reddy, A. ; Muralikrishna, A. ; Wan Yaacob, Wan Zuhairi ; Osman, Hasnah ; Varada Reddy, A. / Utilization of the agricultural waste (Cicer arientinum Linn fruit shell biomass) as biosorbent for decolorization of Congo red. In: Desalination and Water Treatment. 2015 ; Vol. 56, No. 8. pp. 2181-2192.
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