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A Study on Adsorption of Fe (II) Ion by Rice Husks Digested with Nitric Acid

Hosen, Haidar Zhafri (2004) A Study on Adsorption of Fe (II) Ion by Rice Husks Digested with Nitric Acid. Universiti Teknologi Petronas. (Unpublished)

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Abstract

The objective of this study is to produce activated carbon from rice husks for Fe(H) ion adsorption. Rice husks were digested by nitric acid at different concentrations at ambient temperature over a period of 4 - 12 hours. The adsorption uptake increased with the increase of the nitric acid concentration and digestion time due to higher microporosity and larger internal surface. The carbonization temperature was varied to 500°C and 700°C. The optimum carbonization temperature was identified to be 700 °C. Using data supplied by the Atomic Absorption Spectrometry, adsorption isotherms were structured. The adsorption characteristics followed the Langmuir isotherms.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Ionic Liquid
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 6 not found.
Date Deposited: 26 Sep 2013 12:57
Last Modified: 25 Jan 2017 09:47
URI: http://utpedia.utp.edu.my/id/eprint/6760

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