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Preparation of Nanocomposite Membrane For H2S / CH4 Separation

Yazdani Sahamieh, Majid | 2012

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 43944 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Mousavi, Abbas; Khanbabaee, Ghader; Babana’lbandi, Ahmad
  7. Abstract:
  8. Due to the presence of carbon dioxide and hydrogen sulfide in natural gas outlet of wells, it cannot be sent directly to the municipal pipelines. This study was trying to be select and made membranes for separation of CO2 and H2S from methane. Permeability of methane and carbon dioxide gases through the polyurethane membranes were studied. For this purpose, two commercial polyurethane and synthesized polyurethane with different formulations of the compounds that have been studied so far in the literature were used. Synthesized polyurethane and nano-composite membranes were characterized by using Scanning Electron Microscopy (SEM), Differential Scanning Calorimetry (DSC) and Fourier Transfer Infrared (FT-IR) analyzes. Permeability of gases through the membranes was investigated using method of constant pressure. Moreover, the effects of fumed silica nanoparticles on gas separation properties of the Commercial polyurethane membranes were evaluated, and From among the membranes, them that have shown better separation properties were selected to investigate the permeability properties of gas mixtures by using a gas mixture of methane and hydrogen sulfide
  9. Keywords:
  10. Nanocomposite Membrane ; Polyurethane ; Carbon Dioxide ; Gas Sweetening ; Hydrogen Sulfide

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