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Title: Feed gas contaminant removal in ion transport membrane systems

Patent ·
OSTI ID:984522
 [1];  [2]
  1. Allentown, PA
  2. Macungie, PA
+ Show Author Affiliations

Method for gas purification comprising (a) obtaining a feed gas stream containing one or more contaminants selected from the group consisting of volatile metal oxy-hydroxides, volatile metal oxides, and volatile silicon hydroxide; (b) contacting the feed gas stream with a reactive solid material in a guard bed and reacting at least a portion of the contaminants with the reactive solid material to form a solid reaction product in the guard bed; and (c) withdrawing from the guard bed a purified gas stream.

Research Organization:
Air Products and Chemicals, Inc. (Allentown, PA)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-97FT96052
Assignee:
Air Products and Chemicals, Inc. (Allentown, PA)
Patent Number(s):
7,425,231
Application Number:
11/028,124
OSTI ID:
984522
Country of Publication:
United States
Language:
English

References (2)

Chromium vaporisation from Fe,Cr base alloys used as interconnect in fuel cells journal November 2001
Determination of Chromium Vaporization Rates of Different Interconnect Alloys by Transpiration Experiments journal January 2001

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