Gabungan rawatan mekanik-kimia ke atas gentian tandan kosong kelapa sawit untuk penjerapan metilena biru dalam larutan akues

Translated title of the contribution: Combined mechanical-chemical pre-treatment of oil palm empty fruit bunch (EFB) fibers for adsorption of methylene blue (MB) in aqueous solution

Chee Mun Chan, Siew Xian Chin, Soon Wei Chook, Chin Hua Chia, Sarani Zakaria

Research output: Contribution to journalArticle

Abstract

The effectiveness of combined mechanical-chemical pre-treatment on oil palm empty fruit bunch (EFB) fibers in removing organic dye from aqueous solution was studied. The efficiency of dye adsorption in aqueous solution using natural fibers is generally affected by several factors, such as pH, temperature, and the concentration of dye. However, the effect of the size of the fibers (adsorbent) has rarely been investigated. Prior to any MB adsorption process, mechanical-chemical pre-treatment was performed on EFB fibers via a high-shear process using a Silverson mixer. Shearing duration and the introduction of sodium hydroxide (NaOH) influenced the rate of adsorption, due to the changes in fiber size and accessible surface after the treatment process. From these results, it was found that smaller EFB fibers enhanced the rate and adsorption capacity of MB. However, this was not a linear relationship, as the rate of adsorption decreased when the shearing duration was prolonged to 30 minutes. Meanwhile, treatment with 0.1 M NaOH also improved the adsorption performance of the fibers. Hence, combined mechanical-chemical pre-treatment of EFB fibers can increase the adsorption rate and capacity of the fibers. This study may provide useful information on a practical pre-treatment approach for natural fibers as dye adsorbent in wastewater treatment.

Original languageMalay
Pages (from-to)1007-1013
Number of pages7
JournalMalaysian Journal of Analytical Sciences
Volume22
Issue number6
DOIs
Publication statusPublished - 1 Dec 2018

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Palm oil
Methylene Blue
Fruits
Adsorption
Fibers
Coloring Agents
Natural fibers
Shearing
Adsorbents
Sodium Hydroxide
Wastewater treatment

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Gabungan rawatan mekanik-kimia ke atas gentian tandan kosong kelapa sawit untuk penjerapan metilena biru dalam larutan akues. / Chan, Chee Mun; Chin, Siew Xian; Chook, Soon Wei; Chia, Chin Hua; Zakaria, Sarani.

In: Malaysian Journal of Analytical Sciences, Vol. 22, No. 6, 01.12.2018, p. 1007-1013.

Research output: Contribution to journalArticle

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abstract = "The effectiveness of combined mechanical-chemical pre-treatment on oil palm empty fruit bunch (EFB) fibers in removing organic dye from aqueous solution was studied. The efficiency of dye adsorption in aqueous solution using natural fibers is generally affected by several factors, such as pH, temperature, and the concentration of dye. However, the effect of the size of the fibers (adsorbent) has rarely been investigated. Prior to any MB adsorption process, mechanical-chemical pre-treatment was performed on EFB fibers via a high-shear process using a Silverson mixer. Shearing duration and the introduction of sodium hydroxide (NaOH) influenced the rate of adsorption, due to the changes in fiber size and accessible surface after the treatment process. From these results, it was found that smaller EFB fibers enhanced the rate and adsorption capacity of MB. However, this was not a linear relationship, as the rate of adsorption decreased when the shearing duration was prolonged to 30 minutes. Meanwhile, treatment with 0.1 M NaOH also improved the adsorption performance of the fibers. Hence, combined mechanical-chemical pre-treatment of EFB fibers can increase the adsorption rate and capacity of the fibers. This study may provide useful information on a practical pre-treatment approach for natural fibers as dye adsorbent in wastewater treatment.",
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