Removal of COD, TSS and colour from palm oil mill effluent (POME) using montmorillonite

Muhammad Said, Hassimi Abu Hasan, Mohd Tusirin Mohd Nor, Abdul Wahab Mohammad

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The adsorption of POME using natural clay, montmorillonite, has been investigated. The reductions of three important parameters (chemical oxygen demand, total suspended solids and colour) in various influencing factors have been determined. The optimum conditions for mixing speed of the stirrer, contact time, dosage of adsorbent, concentration of palm oil mill effluent (POME) and pH were 300 rpm, 90 min, 5 g/L, 25% POME and pH 7, respectively. The removal reached more than 95% for all parameters. The experimental data were found to fit with the Langmuir adsorption isotherm model. The intraparticle diffusion model controlled the adsorption process and, therefore, the diffusion of the solute into the inside pores of the adsorbent took places permanently (irreversible) because the particles were trapped inside the pores. This situation causes the adsorbent capacity to decrease and it cannot be used continuously prior to the regeneration or activation, both chemically and thermally.

Original languageEnglish
Pages (from-to)10490-10497
Number of pages8
JournalDesalination and Water Treatment
Volume57
Issue number23
DOIs
Publication statusPublished - 14 May 2016

Fingerprint

Palm oil
Clay minerals
montmorillonite
Adsorbents
Effluents
mill
effluent
Color
adsorption
oil
Adsorption
Chemical oxygen demand
Adsorption isotherms
chemical oxygen demand
solute
Clay
isotherm
regeneration
Chemical activation
clay

Keywords

  • Adsorption
  • Intraparticle diffusion
  • Langmuir model
  • Montmorillonite
  • POME

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Removal of COD, TSS and colour from palm oil mill effluent (POME) using montmorillonite. / Said, Muhammad; Abu Hasan, Hassimi; Mohd Nor, Mohd Tusirin; Mohammad, Abdul Wahab.

In: Desalination and Water Treatment, Vol. 57, No. 23, 14.05.2016, p. 10490-10497.

Research output: Contribution to journalArticle

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