Utilization of teak sawdust from the timber industry as a precursor of activated carbon for the removal of dyes from synthetic effluents

Sandy Budi Hartono; Suryadi Ismadji; Yohanes Sudaryanto; Wenny Irawaty

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Utilization of teak sawdust from the timber industry as a precursor of activated carbon for the removal of dyes from synthetic effluents

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Sandy Budi Hartono, Suryadi Ismadji, Yohanes Sudaryanto, Wenny Irawaty

2005 Journal of Industrial and Engineering Chemistry Vol. 11 Issue 6 Article Cited by 30 SDG 15

Abstract

Teak sawdust can be used as a precursor of an effective activated carbon. The carbon produced from teak sawdust under physical activation has a microporous and mesoporous structure with pore sizes ranging from 0.6 to 100 nm. This adsorbent was employed for dye removal from a synthetic effluent. Congo red, Rhodamine B, and Orange G were used as the adsorbates. Sips, Freundlich, and Langmuir equations, which are generally used for heterogeneous adsorbents, were used to fit the experimental data. The Sips equation describes the experimental data well.

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Department of Chemical Engineering, Widya Mandala Surabaya Catholic University, Suraboya 60114, Kalijudan 37, Indonesia

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