CO2 fixation device and CO2 fixation method

The CO2 fixation device and method leverage a series of tanks to convert granular cementitious materials into calcium carbonate, addressing inefficiencies in waste utilization and reducing atmospheric CO2 emissions.

JP7887246B2Active Publication Date: 2026-07-09TAKENAKA CORP
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Patent Information

Application Number
JP2021199638
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-12-08
Publication Date
2026-07-09
Estimated Expiration
2041-12-08

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Abstract

To provide a CO2 immobilizing apparatus and a CO2 immobilizing method that immobilize CO2 by utilizing granular cement hardened bodies.SOLUTION: Calcium is eluded from a calcium source contained in granular cement hardened bodies, so that the calcium is reacted with CO2 to produce calcium carbonate.SELECTED DRAWING: Figure 4
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Citation Information

Patent Citations

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    JP2000197810A

  • Method for fixing carbon dioxide

    JP2009090198A

  • Method and system for producing calcium carbonate

    JP2013129543A

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    JP2020015659A