Desulfurization system and method for desulfurizing a fuel stream
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United States of America Patent
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Dec 4, 2012
Grant Date -
Nov 5, 2009
app pub date -
Jun 5, 2009
filing date -
Sep 1, 2004
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Abstract
A method for producing a substantially desulfurized a hydrocarbon fuel stream at temperatures less than 100° C. The method includes providing a nondesulfurized fuel cell hydrocarbon fuel stream that may include water and passing the fuel stream sequentially through a zeolite Y adsorbent and a selective sulfur adsorbent. The zeolite Y adsorbent may be exchanged with copper ions. The method produces a substantially desulfurized hydrocarbon fuel stream containing less than 50 ppb sulfur.
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