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Removal of Organic Dye from Aqueous Solution by Adsorption onSawdust

Ku Hilmy, KuElianie Syanny (2004) Removal of Organic Dye from Aqueous Solution by Adsorption onSawdust. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Sawdust was evaluated for its ability to remove organic dye from aqueous solution and was found to be an effective adsorbent for clarification of sometextile dyes. A thorough characteristics study of sawdust onorganic dye adsorption was carried out. The effect of various experimental parameters such as contact time, initial dye concentration, initial pH, adsorbent dose and particle size ofadsorbent was investigated by following a batch adsorption technique. Results show that it can remove 91% of color within two hours of operation without any pretreatment. The Methylene Blue was found to be effectively decolorized (89%-93%) by the optimum dose of 2.0g-5.0g and at particle size of 1000 um. The percentage removal of dye increased with the decrease in initial dye concentration, particle size adsorbent and increase incontact time, pH ofthe dye solution and dose of adsorbent. An initial pH in the range of 5.0-7.0 was effective for the dye removal by the adsorbent. The adsorption system studied was proved to fit the Freundlich Isotherm model. By identifying the adsorption isotherm, it will be easier to predict the nature of sawdust acting as an adsorbent. The sawdust adsorbent was shown to be a promising material for removal oforganic dye from aqueous solution.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Production and Completion Engineering - Completion and prevention - Production chemistry
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:47
URI: http://utpedia.utp.edu.my/id/eprint/7584

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