Return to DOE Report Table of Contents

Return to the Development of Hollow Fiber Catalytic Membranes Table of Contents

Development of Hollow Fiber Catalytic Membranes for High Temperature Gas Cleanup
Final Report September 1989 - March 1994

Ma, Yi Hua
Moser, W. R.
Pien, S.
Shelekhin, A. B.

Worcester Polytechnic Institute

In the pdf format this document has 105 pages and 3.6MB

Table of Contents

I. Introduction  
II. Experimental Setup  
  2.1 Permeability Measurement Installation 7
  2.2 Membrane Reactor Installation 7
III. Porous Glass Membranes 9
  3.1 Molecular-sieve Glass Membrane 9
  3.2 Vycor Glass Membrane 16
IV. Thermodynamics of H2S Decomposition 19
IV. Thermodynamics of H2S Decomposition 19
  4.1 Equilibrium Conversion of H2S 20
  4. Pressure Drop in Packed Beds 20
  4.3 H2S Conversion in the Packed Bed Reactor 20
  4.4. Catalytic Activity of the Porous Vycor Glass Membrane 21
  4.5 Kinetics of H2S Decomposition 22
V. Decomposition of H2S in Membrane Rector 23
  5.1 Definition of Stage Cut 23
  5.2 Decomposition of H2S in the Membrane Reactor 24
  5.3 Mathematical Model of H2S Decomposition in the Membrane Rector 29
  5.4 Simulation Results 29
  5.5 Comparison Between Concurrent and Countercurrent Modes 34
  5.6 Optimum Conditions for H2S Decomposition 35
  5.7 Comparison of the Packed Bed and Membrane Reactors 37
VI. Conclusions 40
VII. Recommendations 42