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Title:
CARBON DIOXIDE TREATMENT SYSTEM AND CARBON DIOXIDE TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2023/282089
Kind Code:
A1
Abstract:
Provided are a system and a method for treating carbon dioxide that make it possible to continuously decompose CO2 using as simple a configuration as possible.　The system comprises: a carbon dioxide decomposition unit for taking in a carbon-dioxide-containing fluid and ionizing the carbon dioxide into positively charged carbon atoms and negatively charged oxygen atoms through contact with atmospheric-pressure low-temperature plasma; and a separation unit located downstream of the carbon dioxide decomposition unit along the flow direction of a fluid including the ionized carbon atoms and oxygen atoms, the separation unit being equipped with an upstream electrode positioned upstream of the flow and a downstream electrode positioned downstream of the flow and being configured such that the upstream electrode and the downstream electrode alternately have a positive potential and a negative potential, and the separation unit decelerating the positively charged carbon atoms using the electrode having the positive potential among the upstream electrode and the downstream electrode and collecting the carbon atoms as solid carbon using a collection means provided near the upstream electrode and the downstream electrode.

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Inventors:
MIYAZAKI HIDETAKA (JP)
Application Number:
PCT/JP2022/025300
Publication Date:
January 12, 2023
Filing Date:
June 24, 2022
Export Citation:
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Assignee:
JAPAN INST OF FUTURE SCIENCE INC (JP)
International Classes:
C01B32/05; B01D53/92; B03C9/00; H05H1/24
Foreign References:
JPH0422416A1992-01-27
JP2018130208A2018-08-23
US20200396819A12020-12-17
KR20060017191A2006-02-23
JP2019155006A2019-09-19
JP2007521948A2007-08-09
JP2008290910A2008-12-04
JP2012045500A2012-03-08
JP2011500309A2011-01-06
JP2017087140A2017-05-25
Attorney, Agent or Firm:
KATO Ryuta et al. (JP)
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