Extraction and sequestration of carbon dioxide

a carbon dioxide and sequestration technology, applied in the field of carbon dioxide extraction and sequestration, can solve the problems of large-scale hydrocarbon-fueled power plants that are not fully protected from exhausting cosub>2 /sub>into the atmosphere, the number of small, widely distributed emitters that are impractical to mitigate at the source, and the need to curtail the emission of cosub>2 /sub>from all sources

Inactive Publication Date: 2009-09-17
KILIMANJARO ENERGY
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  • Summary
  • Abstract
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  • Claims
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Benefits of technology

[0009]A further aspect of the present disclosure provides a method and apparatus for luring CO2 sensitive insects toward a specific location where a moisture sensitive CO2 sorbent that is partially or fully loaded with CO2 is exposed to moisture usually in excess of that present in the ambient air at the location. The sorbent may be held in place by an open basket that is protected with a roof and a floor against accidental wetting by rain.

Problems solved by technology

Of the various sources of the CO2 emissions, there are a vast number of small, widely distributed emitters that are impractical to mitigate at the source.
Additionally, large-scale emitters such as hydrocarbon-fueled power plants are not fully protected from exhausting CO2 into the atmosphere.
However, as greenhouse gas concerns mount, CO2 emissions from all sources will have to be curtailed.

Method used

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  • Extraction and sequestration of carbon dioxide
  • Extraction and sequestration of carbon dioxide
  • Extraction and sequestration of carbon dioxide

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Embodiment Construction

[0022]Various methods and apparatus have been developed for removing CO2 from air. For example, we have recently disclosed methods for efficiently extracting carbon dioxide (CO2) from ambient air using sorbents that either physically or chemically bind and remove CO2 from the air. A class of practical CO2 capture sorbents include strongly alkaline hydroxide solutions such as, for example, sodium or potassium hydroxide, or a carbonate solution such as, for example, sodium or potassium carbonate brine. See for example published PCT Application PCT / US05 / 29979 and PCT / US06 / 029238. See also published PCT Application PCT / US07 / 802,229 which describes the use of solid sorbents such as ion exchange resins for removing CO2 from the air.

[0023]In broad concept, the present invention in one aspect extracts carbon dioxide from ambient air using a conventional CO2 extraction method or one of the improved CO2 extraction methods disclosed in our aforesaid PCT Applications, or disclosed herein, and r...

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Abstract

The present disclosure provides a method and apparatus for extracting carbon dioxide (CO2) from a fluid stream and for delivering that extracted CO2 to controlled environments for utilization by a secondary process. Various extraction and delivery methods are disclosed specific to certain secondary uses, included the attraction of CO2-sensitive insects, the ripening and preservation of produce, and the neutralization of brine.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority from U.S. provisional application Ser. No. 61 / 029,831, filed Feb. 19, 2008, Ser. No. 61 / 074,972 filed Jun. 23, 2008 and Ser. No. 61 / 079,776 filed Jul. 10, 2008.FIELD OF THE INVENTION[0002]The present invention relates to a method and apparatus for the removal of selected gases from an environment and the disposal of the selected gases in another environment.BACKGROUND OF THE INVENTION[0003]The present invention in one aspect relates to removal of selected gases from the atmosphere. The invention has particular utility in connection with the extraction of carbon dioxide (CO2) from the atmosphere and subsequent sequestration of the extracted CO2 or conversion of the extracted CO2 to useful or benign products and will be described in connection with such utilities, although other utilities are contemplated, including the extraction, sequestration or conversion of other gases from the atmosphere including NOx ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C01B31/20B01D53/22B01D53/08B01D47/02A01N25/00A01N59/04B65D81/20A62D3/33C01B32/50
CPCA01N59/04B01D53/1475B01D53/0462B01D53/62B01D53/96B01D61/445B01D2253/102B01D2253/206B01D2257/302B01D2257/402B01D2257/404B01D2257/504B01D2259/40086B01D2259/4009B01D2259/4145C01B31/20Y02C10/04Y02C10/08Y02C10/10Y02C20/10B01D53/02C01B32/50A01K67/033A01M1/023G06Q30/018Y02C20/40Y02P20/151B01D53/22B01D2252/00B65D88/745B01D2252/103B01D2252/204
Inventor WRIGHT, ALLEN B.LACKNER, KLAUS S.
Owner KILIMANJARO ENERGY
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