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Adsorption of Lead and Cadmium in Aqueous Solution onto Oil-Palm Solid Wastes, Bentonite and Amberlite Polymeric Adsorbents

Suhairi Bin Amaludin, Suhairi (2009) Adsorption of Lead and Cadmium in Aqueous Solution onto Oil-Palm Solid Wastes, Bentonite and Amberlite Polymeric Adsorbents. Universiti Teknologi Petronas, Seri Iskandar,Tronoh,Perak. (Unpublished)

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Abstract

The adsorption of heavy metals ion (Pb2+ and Cd2+) onto three types of adsorbents; bentonite, oil-palm solid waste and Amberlite XAD polymeric adsorbents is described in this report. The studies were done in batch, as the samples were mixed with a dosage of 2.5g/l of each adsorbent and shake at 150rpm until it reaches equilibrium. Kinetics studies show that bentonite is the best adsorbent, while oil-palm solid waste and Amberlite XAD polymeric adsorbents are comparable. The adsorption isotherm parameters were calculated and fitted into Langmuir isotherm and Freundlich isotherm. All adsorption can be described by Freudlich isotherm with the highest degree of fit of lead on OPEFB (0.954) and cadmium on XAD16 (0.99). The effect of pH is examined over the range of 1-5.5. The adsorption of Pb2+ and Cd2+ increase with increasing pH and bentonite was highly affected by the increment. Finally, the adsorbents were analyzed by using FTIR to get the infrared spectra, and the functional groups were determined while, the infrared spectra for Amberlite XAD polymeric adsorbents were acquired from product data sheets.

Item Type: Final Year Project
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:24
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/945

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