Investigation of new polymeric membranes with controlled architecture for CO2 capture
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This paper discusses various characteristics of new polymeric membranes for the purpose of CO2 capture. Different types of single and copolymers were examined; especially by the sorption measurement at different pressures and temperatures. The permeability has been measured for three polymeric membranes and CO2/N2 selectivity has been discussed. However, the diffusion coefficient determination by the time lag method and from the solubility and permeability has been compared. For this purpose solubility has been investigated through the sorption experiment by using an MSB (Magnetic Suspension Balance). This paper contains a literature review which describes different studies on membranes and CO2 capture. The aim of the literature review is to compare and analyze the experimental results reported by different research groups and to identify actual and future development of new membranes for CO2 capture. The theories, the basic principles of different equipment, give an essential overview to understand the different parts of the thesis. Most of the gas permeation experiments were performed to examine the characteristics of the polymeric membranes at room temperature using N2 and CO2 at different pressures. The outcome of the whole project is to observe the characteristics of the polymeric membranes through their diffusion coefficients, solubilities and permeabilities.