Patents & Publications

Papers & Presentations
A Process for Capturing CO2 from the Atmosphere
(Paper by David W. Keith, Geoffrey Holmes, David St. Angelo, and Kenton Heidel, Joule Journal, 2018)
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Carbon Engineering Case Study
(Harvard Business School Case Study, Joseph B. Lassiter III and Sid Misra, Oct 2013)
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Outdoor Prototype Results for Direct Atmospheric Capture of Carbon Dioxide
(Paper by CE Team presented at GHGT-11, published in Energy Procedia, 2013)
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An air-liquid contactor for large-scale capture of CO2 from air
(Paper by Geoffrey Holmes and David Keith, Philosophical Transactions of the Royal Society A, 2012)
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CE’s Comments on the APS Direct Air Capture Report
(Updated June 2011)
APS Report: Direct Air Capture of CO2 with Chemicals – Final, Revised/Re-formatted Version, Posted June 01 2011
APS Report: Direct Air Capture of CO2 with Chemicals – Final, Original Version, Released May 09 2011
Why capture CO2 from the atmosphere?
(Paper by David Keith in Science, 325: 1654-1655)
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Capturing CO2 from the atmosphere: rationale and process design considerations
(Book chapter by David Keith, Kenton Heidel, and Robert Cherry in Geo-Engineering Climate Change: Environmental necessity or Pandora’s box? B. Launder and M. Thompson, editors. Cambridge University Press, p. 107-126)
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Additional research papers on David Keith’s website
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Documents
CE-DAC and CSS Comparison for Low-Carbon Fuels
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Patents
CE owned patents and pending patent applications:
Application/patent number Title Related products & services
9,095,813 Carbon dioxide capture method and facility Air contactor system
14/815,661 Continuation of patent – Carbon dioxide capture method and facility Air contactor componentry
8,119,091 Carbon dioxide capture Air contactor system with alternate chemistry
8,728,428 Recovering a caustic solution via calcium carbonate crystal aggregates Direct Air Capture system
9,975,100 Continuation of patent – Recovering a caustic solution via calcium carbonate crystal aggregates Direct Air Capture system componentry
8,871,008 Target gas capture Alternate Direct Air Capture system
9,637,393 Recovering a caustic solution via calcium carbonate crystal aggregate Pellet Reactor and Slaker systems
15/622,883 Capturing carbon dioxide Modified air contactor componentry including additional drift, nozzle and basin technology
15/591,324 High temperature hydrator Slaking componentry
CA2017051581 Method and system for synthesizing fuel from dilute carbon dioxide source AIR TO FUELSTM technology
9,095,813
Carbon dioxide capture method and facility
Related products & services: Air contactor system
14/815,661
Continuation of patent – Carbon dioxide capture method and facility
Related products & services: Air contactor componentry
8,119,091
Carbon dioxide capture
Related products & services: Air contactor system with alternate chemistry
8,728,428
Recovering a caustic solution via calcium carbonate crystal aggregates
Related products & services: Direct Air Capture system
9,975,100
Continuation of patent – Recovering a caustic solution via calcium carbonate crystal aggregates
Related products & services: Direct Air Capture system componentry
8,871,008
Target gas capture
Related products & services: Alternate Direct Air Capture system
9,637,393
Recovering a caustic solution via calcium carbonate crystal aggregate
Related products & services: Pellet Reactor and Slaker systems
15/622,883
Capturing carbon dioxide
Related products & services: Modified air contactor componentry including additional drift, nozzle and basin technology
15/591,324
High temperature hydrator
Related products & services: Slaking componentry
CA2017051581
Method and system for synthesizing fuel from dilute carbon dioxide source
Related products & services: AIR TO FUELSTM technology
Patents to which CE has full license rights in our field:
Application/patent number Title Related products & services
8,574,354 Reducing the carbon emissions intensity of a fuel Low carbon intensity EOR system with CE’s air contactor technology
9,159,105 Continuation of patent – Reducing the carbon emissions intensity of a fuel Low carbon intensity EOR system with industrially sourced CO2
15/022,163 Reducing the carbon emissions intensity of a fuel Low carbon intensity EOR system with CO2 supplied by a biomass source with carbon fixed from the atmosphere by photosynthesis
8,574,354
Reducing the carbon emissions intensity of a fuel
Related products & services: Low carbon intensity EOR system with CE’s air contactor technology
9,159,105
Continuation of patent – Reducing the carbon emissions intensity of a fuel
Related products & services: Low carbon intensity EOR system with industrially sourced CO2
15/022,163
Reducing the carbon emissions intensity of a fuel
Related products & services: Low carbon intensity EOR system with CO2 supplied by a biomass source with carbon fixed from the atmosphere by photosynthesis

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