Applications of Titanosilicate Molecular Sieve in Gas Separation

  • Author / Creator
    Shi, Meng
  • Adsorption behavior of nitrogen, argon and oxygen on silver exchanged titanosilicate (Ag-ETS-10) were studied in this work. A low temperature gas chromatographic determination of relatively low concentration argon (<1%) was developed, which was applied to evaluate the production of argon free oxygen by adsorptive air separation on Ag-ETS-10. A lab-scale demonstration shows that Ag-ETS-10 is promising as an adsorbent capable of producing high purity oxygen. A mathematic model base on mass balance proves Ag-ETS-10 bed with enhanced density possesses higher recovery yield of oxygen during adsorptive air separation. Several techniques to enhance the bed density of Ag-ETS-10 were investigated. A lab-scale demonstration was carried to verify the prediction of this correlation. Adsorption behaviors of different hydrocarbons (methane, ethane, ethylene) on ETS-10 at high pressure were studied. Separation of binary mixture (ethylene/ethane, methane/ethane) at high pressure was investigated on ETS-10 through lab-scale demonstration. The bed selectivity was obtained from the demonstration and verified through ideal adsorbed solution theory model. As an alternative, microwave desorption provided a faster heating rate and desorption rate, higher desorption and gas recovery and lower energy consumption compared to conductive heating. Desorption of ethylene/ethane and carbon dioxide/methane mixtures was performed by microwave heating on Na-ETS-10 were investigated.

  • Subjects / Keywords
  • Graduation date
    Spring 2013
  • Type of Item
  • Degree
    Doctor of Philosophy
  • DOI
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
  • Language
  • Institution
    University of Alberta
  • Degree level
  • Department
  • Specialization
    • Chemical Engineering
  • Supervisor / co-supervisor and their department(s)
  • Examining committee members and their departments
    • Prof. Douglas Ruthven (Chemical & Biological Engineering, The University of Maine)
    • Prof. Zaher Hashisho (Civil & Environmental Engineering)
    • Prof. Steven Kuznicki (Chemical & Materials Engineering)
    • Prof. Hongbo Zeng (Chemical & Materials Engineering)
    • Prof. Qingxia Liu (Chemical & Materials Engineering)