Enhanced functionalized carbon molecular sieves for simultaneous CO2 and water removal from air
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United States of America Patent
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Dec 30, 2003
Grant Date -
Feb 28, 2002
app pub date -
Jan 24, 2001
filing date -
Mar 9, 1998
priority date (Note) -
Expired
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Abstract
A carbon dioxide and water adsorbent comprises a carbonized and activated precursor material having first functional sites that adsorb carbon dioxide and second functional sites that adsorb water independently of the first functional sites. The adsorbent is characterized by a total pore volume of between about 1.50 to 2.50 cm.sup.3 /g, a median pore diameter between about 0.5 to 1.2 nm, and a BET surface area between about 2000 to 2500 m.sup.2 /g.
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