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System and method for carbon dioxide capture and sequestration

  • US 9,878,286 B2
  • Filed: 08/03/2016
  • Issued: 01/30/2018
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A method capable of capturing carbon dioxide from ambient air under ambient conditions, the method comprising the individual steps of:

  • mixing treated effluent gases with ambient air flow to form an ambient air-effluent gas blend flow containing not more than 25% effluent gas by volume,alternately repeatedly exposing a sorbent for carbon dioxide to capture and stripping/regeneration system stages, the stages comprising;

    exposing said sorbent to the ambient air-effluent gas blend flow during said capture stage, at a capture position, so as to enable said sorbent to capture carbon dioxide from said ambient air-effluent gas blend flow so as to form CO2 laden sorbent, andexposing said CO2 laden sorbent to co-generated steam, the steam being formed by co-generated process heat from a primary production process to co-generate the steam superheated at ambient pressure, during the stripping/regeneration phase, in a sealed regeneration chamber, after pumping out air or any other gas entering the sealed regeneration chamber with the CO2 laden sorbent to form at least a partial vacuum, so as to cause the stripping of such captured carbon dioxide from the sorbent and form a carbon dioxide/water exiting mixture.

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