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Production of Granular Activated Carbon from Waste Palm Oil Shells and Its Adsorption Characteristics for Cu2+

Zamri, Nor Zalina (2004) Production of Granular Activated Carbon from Waste Palm Oil Shells and Its Adsorption Characteristics for Cu2+. Universiti Teknologi Petronas. (Unpublished)

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The utilization of waste palm oil shells as activated carbons hasbeen proven reliable and environmental friendly. The study emphasized on the preparation of activated carbons from the abundant waste of palm oil shells and their ability to adsorb heavy metals in synthetic wastewaters. Waste palm oil shells were grinded and sieved before going for carbonization and chemical activation. Carbonization temperature was within the range of 700°C to 900°C for and carbonization goes for 3 hours. Sodium hydroxide as the chemical activation agent was varied at the range concentration of 0.05M to 0.15M For adsorption process purposes, the produced activated carbons were tested at different copper solutions concentrations (50ppm, lOOppm and 200ppm), copper solutions pH (pH3, pH7 and pH12) and loading ratio (0.5$, l.Og and 1.5g in lOOmL of copper solutions) to study their adsorption capacity. From the study, it can be observed that at higher carbonization temperature, the better the adsorption will be. The pore volume of the activated carbon increases at higher temperature due to excessive vaporization in shells. Activated carbon activated at lower concentration of sodium hydroxide, 0.05M, is a superior adsorbent due to much larger external surface area. The best conditions for removal of copper ions are at 200ppm and pH 12. In addition, adsorption process at higher loading gives the most adsorption capacity. For the development of adsorption isotherm, the activated carbons suited with Freundlich isotherm instead of Langmuir isotherm. in

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Process Safety
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 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7577

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