Carbon-based sorbent for gas storage, and method for preparation thereof
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United States of America Patent
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Jul 31, 2012
Grant Date -
May 13, 2010
app pub date -
Dec 24, 2009
filing date -
Jun 29, 2007
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Abstract
The method enables control over carbon pore structure to provide sorbents that are particularly advantageous for the adsorption of specific gases. It involves preparation of a sorbent precursor material, carbonization of the precursor material, and, usually, activation of the carbonized material. The resultant material is subjected to heat treatment and/or to surface conditioning by a reducing gas at elevated temperatures.
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