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Title: ADVANCED HYDROGEN TRANSPORT MEMBRANES FOR VISION 21 FOSSIL FUEL PLANTS

Abstract

Eltron Research Inc., and team members CoorsTek, Sued Chemie, and Argonne National Laboratory are developing an environmentally benign, inexpensive, and efficient method for separating hydrogen from gas mixtures produced during industrial processes, such as coal gasification. This project was motivated by the National Energy Technology Laboratory (NETL) Vision 21 initiative which seeks to economically eliminate environmental concerns associated with the use of fossil fuels. This objective is being pursued using dense membranes based in part on Eltron-patented ceramic materials with a demonstrated ability for proton and electron conduction. The technical goals are being addressed by modifying composite membrane composition and microstructure to maximize hydrogen permeation without loss of material stability. Ultimately, these materials must enable hydrogen separation at practical rates under ambient and high-pressure conditions, without deactivation in the presence of feedstream components such as carbon dioxide, water, and sulfur. During this quarter, a composite metal membrane based on an inexpensive hydrogen permeable metal achieved permeation rates in excess of 25 mL/min/cm{sup 2}. Preliminary attempts to incorporate this metal into a cermet were successful, and a thick cermet membrane (0.83 mm) with 40 vol.% metal phase achieved a permeation rate of nearly 0.4 mL/min/cm{sup 2}. Increasing the metal phase contentmore » and decreasing membrane thickness should significantly increase permeation, while maintaining the benefits derived from cermets. Two-phase ceramic/ceramic composite membranes had low hydrogen permeability, likely due to interdiffusion of constituents between the phases. However, these materials did demonstrate high resistance to corrosion, and might be good candidates for other composite membranes. Temperature-programmed reduction measurements indicated that model cermet materials absorbed 2.5 times as much hydrogen than the pure ceramic analogs. This characteristic, in addition to higher electron conductivity, likely explains the relatively high permeation for these cermets. Incorporation of catalysts with ceramics and cermets increased hydrogen uptake by 800 to more than 900%. Finally, new high-pressure seals were developed for cermet membranes that maintained a pressure differential of 250 psi. This result indicated that the approach for high-pressure seal development could be adapted for a range of compositions. Other items discussed in this report include mechanical testing, new proton conducting ceramics, supported thin films, and alkane to olefin conversion.« less

Authors:
; ; ; ; ; ; ; ;  [1]; ; ; ; ;
  1. Balu
Publication Date:
Research Org.:
Eltron Research Inc. (US)
Sponsoring Org.:
(US)
OSTI Identifier:
816435
DOE Contract Number:  
FC26-00NT40762
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 30 Jan 2003
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 08 HYDROGEN; 29 ENERGY PLANNING, POLICY AND ECONOMY; ALKENES; CARBON DIOXIDE; CERAMICS; CERMETS; COAL GASIFICATION; FOSSIL FUELS; HYDROGEN; MEMBRANES; THIN FILMS; TRANSPORT

Citation Formats

Roark, Shane E, Sammells, Anthony F, Mackay, Richard A, Pitzman, Lyrik Y, Zirbel, Thomas A, Schesnack, Stewart R, Barton, Thomas F, Rolfe, Sara L, Balachandran, U, Kleiner, Richard N, Stephan, James E, Anderson, Frank E, Wagner, Aaron L, and Wagner, Jon P. ADVANCED HYDROGEN TRANSPORT MEMBRANES FOR VISION 21 FOSSIL FUEL PLANTS. United States: N. p., 2003. Web. doi:10.2172/816435.
Roark, Shane E, Sammells, Anthony F, Mackay, Richard A, Pitzman, Lyrik Y, Zirbel, Thomas A, Schesnack, Stewart R, Barton, Thomas F, Rolfe, Sara L, Balachandran, U, Kleiner, Richard N, Stephan, James E, Anderson, Frank E, Wagner, Aaron L, & Wagner, Jon P. ADVANCED HYDROGEN TRANSPORT MEMBRANES FOR VISION 21 FOSSIL FUEL PLANTS. United States. https://doi.org/10.2172/816435
Roark, Shane E, Sammells, Anthony F, Mackay, Richard A, Pitzman, Lyrik Y, Zirbel, Thomas A, Schesnack, Stewart R, Barton, Thomas F, Rolfe, Sara L, Balachandran, U, Kleiner, Richard N, Stephan, James E, Anderson, Frank E, Wagner, Aaron L, and Wagner, Jon P. 2003. "ADVANCED HYDROGEN TRANSPORT MEMBRANES FOR VISION 21 FOSSIL FUEL PLANTS". United States. https://doi.org/10.2172/816435. https://www.osti.gov/servlets/purl/816435.
@article{osti_816435,
title = {ADVANCED HYDROGEN TRANSPORT MEMBRANES FOR VISION 21 FOSSIL FUEL PLANTS},
author = {Roark, Shane E and Sammells, Anthony F and Mackay, Richard A and Pitzman, Lyrik Y and Zirbel, Thomas A and Schesnack, Stewart R and Barton, Thomas F and Rolfe, Sara L and Balachandran, U and Kleiner, Richard N and Stephan, James E and Anderson, Frank E and Wagner, Aaron L and Wagner, Jon P},
abstractNote = {Eltron Research Inc., and team members CoorsTek, Sued Chemie, and Argonne National Laboratory are developing an environmentally benign, inexpensive, and efficient method for separating hydrogen from gas mixtures produced during industrial processes, such as coal gasification. This project was motivated by the National Energy Technology Laboratory (NETL) Vision 21 initiative which seeks to economically eliminate environmental concerns associated with the use of fossil fuels. This objective is being pursued using dense membranes based in part on Eltron-patented ceramic materials with a demonstrated ability for proton and electron conduction. The technical goals are being addressed by modifying composite membrane composition and microstructure to maximize hydrogen permeation without loss of material stability. Ultimately, these materials must enable hydrogen separation at practical rates under ambient and high-pressure conditions, without deactivation in the presence of feedstream components such as carbon dioxide, water, and sulfur. During this quarter, a composite metal membrane based on an inexpensive hydrogen permeable metal achieved permeation rates in excess of 25 mL/min/cm{sup 2}. Preliminary attempts to incorporate this metal into a cermet were successful, and a thick cermet membrane (0.83 mm) with 40 vol.% metal phase achieved a permeation rate of nearly 0.4 mL/min/cm{sup 2}. Increasing the metal phase content and decreasing membrane thickness should significantly increase permeation, while maintaining the benefits derived from cermets. Two-phase ceramic/ceramic composite membranes had low hydrogen permeability, likely due to interdiffusion of constituents between the phases. However, these materials did demonstrate high resistance to corrosion, and might be good candidates for other composite membranes. Temperature-programmed reduction measurements indicated that model cermet materials absorbed 2.5 times as much hydrogen than the pure ceramic analogs. This characteristic, in addition to higher electron conductivity, likely explains the relatively high permeation for these cermets. Incorporation of catalysts with ceramics and cermets increased hydrogen uptake by 800 to more than 900%. Finally, new high-pressure seals were developed for cermet membranes that maintained a pressure differential of 250 psi. This result indicated that the approach for high-pressure seal development could be adapted for a range of compositions. Other items discussed in this report include mechanical testing, new proton conducting ceramics, supported thin films, and alkane to olefin conversion.},
doi = {10.2172/816435},
url = {https://www.osti.gov/biblio/816435}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 30 00:00:00 EST 2003},
month = {Thu Jan 30 00:00:00 EST 2003}
}