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Adsorption of Zinc by Using Combusted Palm Oil Kernel

Aziz, Mohd. Faisal (2007) Adsorption of Zinc by Using Combusted Palm Oil Kernel. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

The report is prepared to provide readers information regarding the ell.:periment of adsorption of zinc by using combusted palm oil kernel. The presence of heavy metals in water causes harm since they are classified as toxic. The objective of the experiment is to establish the optimum adsorbent dosage, the optimum adsorption period for the adsorption of zinc and the best adsorption isotherm model. The size of adsorbent was R4251im. Zinc had been used during the experiment as heavy metals to be adsorbed by the adsorbent. The adsorbent dosages used were 25, 50, 100, and 200 mg, 25, 50, 75, and 100 mg, and 1000, 2000, 3000, and 4000 mg. The combusted palm oil kernels were supplied to every aqueous zinc solution sample. The concentrations were divided into two which were 10 and 100 ppm. All samples were shaken by orbital shaker with four different durations 1, 3, 6, and 24 hours. Only after the shaking processes completed, the final concentrations of aqueous zinc solution were measured by using HACH DR2800 Spectrophotometer. In the first trial of phase 1 with initial concentration of 11.45 mg!L, the optimum adsorbent dosage was 2000mg/L and the optimum adsorption period was 24 hours. In the second trial of phase 1 with initial concentration of 240mg/L, the optimum adsorbent dosage was 2000 mg/L and the optimum adsorption period was 24 hours. In the second trial of phase 1 with initial concentration of 141.33 mg/L, the optimum adsorbent dosage was 1000 mg!L and the optimum adsorption period was 6 hours. In the first trial of phase 2 with initial concentration of 10 mg/L, the optimum adsorbent dosage was 2000 mg/L and the optimum adsorption period was 3 hours. In the first trial of phase 2 with the initial concentration of 110 mg/L, the optimum adsorbent dosage was 2000 mg/L and the optimum adsorption period was 24 hours. In the seeond trial of phase 2 with the initial concentration of 10 mg!L, the optimum adsorption period was 6 hours and the optimum adsorbent dosage was 40000 mg/L. In conclusion, the higher the adsorbent dosage was used, the higher the percentage removal. A good plot of the adsorption isotherm depended on the degree of consistency of the adsorption model.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > T Technology (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 24 Oct 2013 14:53
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/9753

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