High capacity carbon dioxide sorbent

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United States of America Patent

PATENT NO 9120079
SERIAL NO

14217218

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Abstract

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The present invention provides a sorbent for the removal of carbon dioxide from gas streams, comprising: a CO2 capacity of at least 9 weight percent when measured at 22° C. and 1 atmosphere; an H2O capacity of at most 15 weight percent when measured at 25° C. and 1 atmosphere; and an isosteric heat of adsorption of from 5 to 8.5 kilocalories per mole of CO2. The invention also provides a carbon sorbent in a powder, a granular or a pellet form for the removal of carbon dioxide from gas streams, comprising: a carbon content of at least 90 weight percent; a nitrogen content of at least 1 weight percent; an oxygen content of at most 3 weight percent; a BET surface area from 50 to 2600 m2/g; and a DFT micropore volume from 0.04 to 0.8 cc/g.

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Patent Owner(s)

Patent OwnerAddress
TDA RESEARCH INC12345 WEST 52ND AVENUE WHEAT RIDGE CO 80033

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alptekin, Gokhan Boulder, US 4 22
Dietz, Steven Dean Englewood, US 2 5
Jayaraman, Ambalavanan Denver, US 4 14

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