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Method for fixing carbon dioxide, method for producing fixed carbon dioxide, and device for fixing carbon dioxide

A technology of carbon dioxide, immobilization methods, applied in chemical instruments and methods, separation methods, inorganic chemistry, etc.

Inactive Publication Date: 2021-09-24
反町 健司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, new methods of carbon dioxide fixation are needed

Method used

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  • Method for fixing carbon dioxide, method for producing fixed carbon dioxide, and device for fixing carbon dioxide
  • Method for fixing carbon dioxide, method for producing fixed carbon dioxide, and device for fixing carbon dioxide
  • Method for fixing carbon dioxide, method for producing fixed carbon dioxide, and device for fixing carbon dioxide

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Experimental program
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no. 1 approach

[0086] (Fixation method of carbon dioxide)

[0087] The method for fixing carbon dioxide of the present invention includes a contact step and an electrolysis step. A mixture of at least one of chlorides of metals and chlorides of divalent metal elements with carbon dioxide (CO 2 ) gas contact, in the electrolysis step, prepare the electrolyzed mixed solution by electrolyzing the contacted mixed solution, in the contact step, reuse the electrolyzed mixed solution as the mixed solution . In the carbon dioxide fixation method of the present invention, other configurations and conditions are not particularly limited.

[0088] As the Group 2 element, beryllium, magnesium, calcium, strontium, barium, and radium can be exemplified, and calcium, magnesium, strontium, and barium can be further exemplified. As the chlorides of the Group 2 elements, calcium chloride, magnesium chloride, strontium chloride, and barium chloride can be exemplified.

[0089] The divalent metal element ...

no. 2 approach

[0143] (Fixer for carbon dioxide)

[0144] figure 1 It is a schematic cross-sectional view showing an example of the carbon dioxide immobilization device 1 according to the present embodiment viewed from the side. In addition, in figure 1 , the interior of the carbon dioxide immobilization device 1 is shown in perspective. Such as figure 1 As shown, the carbon dioxide fixation device 1 includes a reaction vessel 10, carbon dioxide fixative feeding devices 20A and 20B, and a gas feeding device 30 as a gas-liquid mixing device. In addition, the carbon dioxide immobilization device 1 includes gas extraction units 40A- 40C and a liquid extraction unit 50 . exist figure 1 In the reaction container 10, a carbon dioxide fixation agent described later is accommodated. In addition, a gas containing carbon dioxide is fed from the gas feeding device 30 into the carbon dioxide fixative in the reaction chamber 11 . Also, electrolysis of the carbon dioxide fixation agent is perfo...

no. 3 approach

[0187] third embodiment (Fixer for carbon dioxide)

[0188] Figure 4 It is a schematic cross-sectional view showing an example of the carbon dioxide immobilization device 2 according to the present embodiment viewed from the side. In addition, in Figure 4 , the interior of the carbon dioxide fixation device 2 is shown in perspective. Such as Figure 4 As shown in A, the carbon dioxide fixing device 2 includes a first reaction vessel 10A and a second reaction vessel 10B, the first reaction vessel 10A is a reaction chamber 11 , and the second reaction vessel 10B is an electrolysis chamber 12 . In addition, the liquid can be sent from the first reaction container 10A to the second reaction container 10B through the container communication channel 80A, and the liquid can be sent from the second reaction container 10B to the first reaction container 10A through the container communication channel 80B. Other than these, it is the same as the above-mentioned embodiment.

[0...

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Abstract

Provided is a novel method for fixing carbon dioxide. This method for fixing carbon dioxide includes a contact step and an electrolysis step. In the contact step, a gas including carbon dioxide is brought into contact with a liquid mixture including at least one of sodium hydroxide and potassium hydroxide and at least one of a chloride of a Group 2 element and a chloride of a divalent metal element. In the electrolysis step, an electrolyzed liquid mixture is obtained by performing electrolysis of the mixed liquid that has been brought into contact with the gas. The electrolyzed liquid mixture is reused as the liquid mixture in the contact step.

Description

technical field [0001] The present invention relates to a method for fixing carbon dioxide, a method for producing immobilized carbon dioxide, and a device for fixing carbon dioxide. Background technique [0002] As a method of fixing carbon dioxide, for example, Patent Document 1 describes a method of producing sodium carbonate by reacting combustion exhaust gas containing carbon dioxide in an aqueous sodium hydroxide solution. However, new methods of carbon dioxide fixation are needed. [0003] prior art literature [0004] patent documents [0005] [Patent Document 1] Japanese Unexamined Patent Publication No. 6-263433 Contents of the invention [0006] The problem to be solved by the invention [0007] Therefore, the object of the present invention is to provide a new method for fixing carbon dioxide. [0008] Solution to the problem [0009] In order to achieve the above object, the carbon dioxide fixation method of the present invention includes a contac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/18C25B1/02C25B1/26C25B1/20B01D53/14C01B32/50
CPCY02P20/133C01B32/50B01D53/62C25B1/34B01D53/326B01D2257/504C25B15/087B01D2251/304B01D2251/306B01D2251/60B01D53/965B01D2251/404B01D2258/0283B01D53/78C02F1/461C02F2103/18Y02P20/151Y02E60/36Y02E10/50Y02C20/40C01F11/182B01D2251/604B01D2251/40
Inventor 反町健司
Owner 反町 健司
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