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Mohamad, Nor Syahera (2012) CRYOGENIC SEPARATION OF C02 FROM METHANE USING DYNAMIC PACKED BED. Universiti Teknologi PETRONAS. (Unpublished)

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The high content of carbon dioxide in the natural gas is a major concern in harnessing the natural gas. This is due to the acidity of the carbon dioxide which will impose problem to the extraction, production and transportation of the natural gas. Cryogenic separation of carbon dioxide from natural gas is proposed to separate carbon dioxide from the high carbon dioxide content natural gas using the dynamic packed bed. An effective separation between the carbon dioxide and methane can be obtained using the cryogenic packed bed. This separation is possible due to the difference in dew and sublimation points of carbon dioxide and methane. This is because, due to the sublimation point of carbon dioxide which is -78.5°C which is at higher temperature than methane, which is -182°C, the carbon dioxide will deposit on the packing material at temperature below its sublimation point. Carbon dioxide is depositing on the packing material by the transfer of the cold energy which is stored in the packing material. The carbon dioxide molecule is cooled form the transfer of energy from the cold material (packing material) to the hot material (carbon dioxide) and deposited onto the packing material. Methane will not be deposited and will flow freely out of the bed as there are empty spaces inside the packed bed. Mathematical analysis was performed to better understand the separation characteristic of carbon dioxide from methane and experiments are to be carried out for cryogenic C02 capture. From the mathematical analysis, the mass deposition rate of the carbon dioxide is found out to be increasing sharply as the concentration of carbon dioxide increases. The dynamic behavior of the packed bed is described using the one dimensional plug flow model.

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: 24 Oct 2013 14:48
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/9701

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