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Device for separation and purification of carbon dioxide

A carbon dioxide and absorption device technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of inconvenient gas transportation and achieve the effects of low price, simplified maintenance, and exquisite design

Active Publication Date: 2016-06-01
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although high concentrations of CO containing 2 Exhaust gas, but in places rich in natural energy resources, it is not necessarily a place where fossil fuels are burned, and gas transportation is not convenient, so it is necessary to collect CO in situ in these places rich in natural energy 2

Method used

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  • Device for separation and purification of carbon dioxide

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Embodiment Construction

[0017] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, the device of the present invention includes a forced-flow electrolyzed water system, a carbon dioxide absorption device, and a gas-liquid separation and collection system.

[0019] Wherein, the forced-flow electrolyzed water system includes a cathode chamber 2 where the cathode 1 is located, an anode chamber 4 where the anode 3 is located, and a pump 5 for promoting the flow of electrolyte. When a voltage is applied to the cathode 1 and anode 3 in the system to start the process of electrolysis of water, an oxidation reaction occurs in the anode chamber 4 (i) to generate oxygen and protons, because the diffusion speed of ions in the solution is slow, making the electrolyte in the anode chamber acidic; Reduction reaction (ii) occurs in chamber 2 to produce hydrogen gas and hydroxide ions, making the electroly...

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Abstract

The invention discloses a device for separation and purification of carbon dioxide. The device comprises a water electrolysis system with forced flow, a carbon dioxide absorption device and a gas-liquid separated collection system, wherein the water electrolysis system comprises a cathode chamber, an anode chamber and a pump for pushing electrolyte to flow, and the gas-liquid separated collection system comprises an oxygen separated collector connected with the anode chamber, a hydrogen separated collector connected with the cathode chamber, and a carbon dioxide separated collector. When the device is in use, alkaline electrolyte produced from the cathode chamber is pushed by the pump into the carbon dioxide absorption device to absorb carbon dioxide coming from air or other mixed gas, and then has neutral reaction with acidic electrolyte produced from the anode chamber in the carbon dioxide separated collector so as to release carbon dioxide. The device is used for separating carbon dioxide from air, and only water and electric energy are consumed in the process; hydrogen and oxygen produced are separated naturally to produce hydrogen energy; and the device can be used for obtaining carbon dioxide in any position on the earth surface.

Description

technical field [0001] The invention relates to a separation device, in particular to a device for separating and purifying carbon dioxide contained in air or mixed gas, and belongs to the field of chemical separation technology and devices. Background technique [0002] Solar energy must be the main energy source in the future. Therefore, how to harvest and store solar energy is a problem that must be paid attention to at present. Now, power generation technologies based on natural energy sources such as photovoltaic effect, wind energy, and tidal energy are fully mature, but because of the huge fluctuation characteristics of these natural energies, their utilization has become a serious problem, resulting in a large number of wind and light abandonment phenomena. exist. In order to meet the requirements of energy consumers for continuous energy stability, large-scale energy storage and power generation devices based on electrochemical principles must be used and develope...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/62
CPCB01D53/62B01D53/78B01D2258/06Y02A50/20Y02C20/40
Inventor 雷立旭李发骏赵肖媛侯培杰卢莹炜
Owner SOUTHEAST UNIV
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