High surface zeolites and methods for preparation and use thereof
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United States of America Patent
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Issued Date -
Jul 22, 2004
app pub date -
Nov 25, 2003
filing date -
Nov 27, 2002
priority date (Note) -
Abandoned
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Abstract
A zeolite of the faujasite structure having a silica to alumina molar ratio (bulk) of greater than about 13, a unit cell size in the range of from 24.10 to 24.40 .ANG., and a surface area of at least about 875 m.sup.2/g as measured by the BET method and ASTM D4365-95 with nitrogen adsorption at p/po values of 0.02, 0.03 and 0.04, is prepared by a combination of hydrothermal and dealumination techniques, and finds use as, for example, an adsorbent for polar and non-polar materials.
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