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2007•AIP conference proceedingsRequires access

Adsorption of Iron from Aqueous Solutions Using Sawdust

R. Rosliza, H. B. Senin, B. O. Subhi, W.B. Wan Nik, M. S. Noor Azhar, H. B. Senin, Norazlina Idris

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Abstract

In removing the Fe (II), the adsorption experiment of untreated sawdust (SD) and treated sawdust (SDC) has been carried out using batch test. The Langmuir and Freundlich isotherms were used to observe sorption phenomena of sawdust in the removal of iron. The results indicate that the sawdust was capable in removing Fe (II) in aqueous solution. The results also showed that Langmuir isotherm was found well fitted into the experimental data as compared to the Freundlich isotherm. It was found that, chemisorptions and physisorption were the prime mechanism for the process of adsorption to occur between the sawdust and Fe (II). The results also proved that the acid sulphuric treated sawdust is much better than that of untreated sawdust as an adsorbent for Fe (II).

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What this paper is about

In removing the Fe (II), the adsorption experiment of untreated sawdust (SD) and treated sawdust (SDC) has been carried out using batch test. The Langmuir and Freundlich isotherms were used to observe sorption phenomena of sawdust in the removal of iron. The results indicate that the sawdust was capable in removing Fe (II) in aqueous solution. The results also showed that Langmuir isotherm was found well fitted into the experimental data as compared to the Freundlich isotherm. It was found that, chemisorptions and physisorption were the prime mechanism for the process of adsorption to occur between the sawdust and Fe (II). The results also proved that the acid sulphuric treated sawdust is much better than that of untreated sawdust as an adsorbent for Fe (II).

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Available abstract

In removing the Fe (II), the adsorption experiment of untreated sawdust (SD) and treated sawdust (SDC) has been carried out using batch test. The Langmuir and Freundlich isotherms were used to observe sorption phenomena of sawdust in the removal of iron. The results indicate that the sawdust was capable in removing Fe (II) in aqueous solution. The results also showed that Langmuir isotherm was found well fitted into the experimental data as compared to the Freundlich isotherm. It was found that, chemisorptions and physisorption were the prime mechanism for the process of adsorption to occur between the sawdust and Fe (II). The results also proved that the acid sulphuric treated sawdust is much better than that of untreated sawdust as an adsorbent for Fe (II).

Key concepts: Sawdust, Freundlich equation, Adsorption, Langmuir, Physisorption, Sorption, Aqueous solution, Chemistry

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