Removal Of Dyes Using Citric Acid Modified Oil Palm Shell

Yuen, Mei Lian (2009) Removal Of Dyes Using Citric Acid Modified Oil Palm Shell. Masters thesis, Universiti Putra Malaysia.

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Abstract

This study investigates the effectiveness of using modified oil palm shell (MPS) to remove dye from solution. The feasibility of modified oil palm shell in removing basic dyes from solution was evaluated and compared with the unmodified oil palm shell (NPS). The optimized modification condition was obtained by treating 1.00 g of oil palm shell with 7 mL of 1.20 M citric acid in an oven at 120 'C for 90 minutes. The prepared adsorbent was characterized by a Scanning Electron Microscopy and Fourier Transform Infrared Spectroscopy. In each adsorption experiments, 200 mL of dye solution of known concentration and pH was added to a certain amount of adsorbent and the mixture was stirred for 4 hours. Batch studies were performed under various experimental conditions and the parameters studied include initial pH of solution, contact time on different initial dye concentrations, temperature, particle size and adsorbent dosage. The desorptibility of the adsorbent and its ability to remove other dyes were also examined. Besides that, isotherm studies were done to determine the adsorption capacity of NPS/MB, MPS/MB and MB-loaded MPS/IC systems by varying the dye concentration solutions.

Item Type:Thesis (Masters)
Subject:Citric acid
Subject:Oil palm
Subject:Dyes and dyeing
Chairman Supervisor:Professor Zulkarnain Zainal, PhD
Call Number:FS 2009 42
Faculty or Institute:Faculty of Science
ID Code:11978
Deposited By: Mohd Nezeri Mohamad
Deposited On:19 Jul 2011 01:50
Last Modified:27 May 2013 07:50

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