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CHARACTERIZATION OF CLAY AND KAPOK AS OIL SORBENTS

Jumat, Nur Amira (2011) CHARACTERIZATION OF CLAY AND KAPOK AS OIL SORBENTS. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Clay such as bentonite, montmorillonite and sepiolite have high sorption properties, surface area, porosity and cation exchange capacity which make them potential materials as oil and heavy metals adsorbent. Ceiba pentadra (L.) Gaertn. or locally known as kapok has large and non-collapsing hollow lumens that enable oil sorption. Kapok also exhibits excellent hydrophobic-oleophilic characteristic.The objectives of this study were to investigate the efficiency of clay and kapok for Palm oil mill effluent (POME) sorption and to analyze the characteristics of clay and kapok since POME contains about 4000-6000 mg/L of oil and grease that must be reduced to 50 mg/1 of DOE permissible limit before it can be discharged into waterways. Several methods are used for characterization such as Fourier Transform Infrared Spectrophotometer (FTIR) and Thermogravimetric analysis (TGA). Montmorillonite clay and kapok were packed in the column at different packing density until they were saturated and achieved complete sorption of POME. POME dripped from column was analyzed for its oil and grease content and compared with the raw POME. After sorption analysis was done, clay and kapok were dried and characterized by using FTIR and TGA. Higher packing density showed lower sorption capacity of POME because sorbent material was less loosely packed. Kapok at 0.10 g/cm3 showed the highest sorption capacity of POME and percentage of oil removed as compared to clay and double packing sorbents of treated clay with sulfuric acid and kapok. Based on the FTIR and TGA, the increment in transmittance percentage showed the occurrence of oil sorption in clay and kapok. Therefore, clay and kapok have shown great potential as oil sorbent in terms of its high sorption capability. Keywords: clay, sorption, montmorillonite, kapok, hydrophobic-oleophilic, POME, FTIR, TGA

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 06 Nov 2013 10:56
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/10184

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