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Separation of Carbon Dioxide from Natural Gas using Inorganic Membrane

Mohd Jefri b Yusof, Mohd Jefri (2010) Separation of Carbon Dioxide from Natural Gas using Inorganic Membrane. Universiti Teknologi Petronas, Seri Iskandar ,Tronoh,Perak. (Unpublished)

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Nowadays, natural gas has become one of the most efficient energy in the globalization uses. The principal constituent of natural gas is methane. Carbon dioxide is impurity in natural gas. Separation of carbon dioxide from natural gas before continues to separate each hydrocarbon is one of the important processes in natural gas processing. Membrane is one low cost technology that gives promising performance in gas separation. The objectives of project are to study on carbon dioxide and methane permeability and selectivity, to study on carbon dioxide separation using inorganic membrane and to study on membrane performance at certain operating conditions. The experimental works were conducted using inorganic tubular membrane module in membrane pilot gas to investigate permeability and selectivity for carbon dioxide and methane gas individually at different feed flowrate of 1000 ml/min, 2000 ml/min and 3000ml/min and feed pressure of 1, 3, and 5 bars with room temperature. Blending gas experimental also been conducted to study on membrane separation performance and methane recovery. As the result, it is found that higher flowrate and higher pressure gave higher permeability until reach the constant value. Results show that for ideal selectivity for CO2:CH4 was found to be range of 0.7 to 3.5. Selectivity reduced as feed pressure increase, thus reduce methane recovery in retentate stream. At 15% carbon dioxide and 85% methane in feed concentration at 3 bar feed pressure, we got 94% methane recovery in retentate stream, which was the highest recovery for all of experiments. We found that increase carbon dioxide concentration from 15% to 30%, based on analysis, has lower methane recovery in retentate stream. For the conclusion, the study shows that the natural gas separation using inorganic tubular membrane module has a very promising potential to be used for carbon dioxide and methane separation.

Item Type: Final Year Project
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 5 not found.
Date Deposited: 03 Nov 2011 11:23
Last Modified: 25 Jan 2017 09:43
URI: http://utpedia.utp.edu.my/id/eprint/1332

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