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Adsorption of Anionic Surfactant onto Malaysian Sandstone

Nordin, Mohd Taufik (2012) Adsorption of Anionic Surfactant onto Malaysian Sandstone. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

The adsorption of surfactant from aqueous solution study is very significant on chemical enhanced oil recovery (CEOR). One of chemical enhanced oil recovery identified was surfactant flooding. In present, the potential of surfactant flooding in Malaysia is still in development process and needs laboratory data like surfactant adsorption to assist the field data required. Surfactant losses due to the adsorption on the reservoir rocks weaken the efficiency of surfactant to decrease the interfacial tension between oil and water. For final year research project, a study to investigate the adsorption of anionic surfactant onto Malaysian sandstone has been done with assistance from UTP Enhanced Oil Recovery (EOR) Research Centre. The study was started with determination of critical micelle concentration (CMC) of anionic surfactant by conductivity method to get a maximum concentration at which the surfactant is adsorbing onto the sandstone. The main part of the researches was the static adsorption test where the different concentration of anionic surfactant was mixed with Malaysian sandstone in a continuous mixing environment for 24 hours. The unknown surfactant concentration was represented as absorbance detected by UV-Vis spectrophotometer. The amount of surfactant adsorbed was calculated by subtracting the concentration of anionic surfactant after adsorption from the initial concentration. An isotherm relating the adsorption density with final concentration of surfactant has been developed with the isotherm following Somasundran isotherm. The isotherm shows three mechanisms of surfactant adsorption from low to high surfactant concentration. It was concluded that this adsorption study is valid as fundamental and reference to assist the laboratory studies in determining the potential of surfactant flooding in Malaysia.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Biofuel
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 24 Oct 2013 14:41
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/9642

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