Method and system for capturing carbon dioxide in flue gas
A technology of carbon dioxide and flue gas, which is applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve the problems of absorbent degradation, high reconstruction costs, and large ammonia volatilization, so as to reduce volatilization, reduce reconstruction costs, and reduce difficulty and cost effects
Active Publication Date: 2021-11-02
湖南同丰清碳科技有限公司
View PDF3 Cites 3 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0008] The main purpose of the present invention is to provide a method and system for capturing carbon dioxide in flue gas, aiming to solve the problems of high energy consumption, high reconstruction cost, large ammonia volatilization, and degradation of absorbent in the prior art
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0052] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship, movement conditions, etc. between the components in a certain posture (as shown in the drawings), If the specific posture changes, the directional indication also changes accordingly.
[0053] In addition, in the present invention, descript...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| current density | aaaaa | aaaaa |
Login to View More
Abstract
The invention provides a method for capturing carbon dioxide in flue gas, which comprises the following steps: conveying the flue gas containing carbon dioxide into an absorption device for carbon dioxide absorption to obtain absorption liquid and purified gas; conveying the absorption liquid to an anode chamber of an electrolysis absorption device for desorption, and obtaining a gas-liquid mixture containing the metal / ammonia coordination compound and carbon dioxide; performing gas-liquid separation treatment on the gas-liquid mixture to obtain carbon dioxide gas and separation liquid; conveying the separation liquid into a cathode chamber of the electrolysis absorption device, so that the separation liquid is subjected to an electrodeposition effect in the cathode chamber, and deposited metal and an ammonia-containing solution are obtained; and conveying the ammonia-containing solution into the absorption device to absorb the carbon dioxide again. The invention provides a novel system for capturing the carbon dioxide in the flue gas, and on the premise of efficiently purifying and separating the carbon dioxide in the flue gas, the energy consumption and the input cost can be obviously reduced, the ammonia volatilization is reduced, and the degradation of an absorbent is avoided.
Description
technical field [0001] The invention relates to the field of gas purification and separation, in particular to a method and system for capturing carbon dioxide in flue gas. Background technique [0002] In recent years, global warming caused by greenhouse gases, especially carbon dioxide, has become an issue of close concern worldwide. However, up to now, the environmental problems caused by carbon dioxide are still very prominent. Therefore, how to effectively capture the carbon dioxide in the flue gas is an urgent problem to be solved. [0003] Today, the only post-combustion carbon dioxide capture process that has reached commercial operation in the world is the thermal regenerative amine capture process, which uses thermal carbon capture technology and uses organic amines as absorbents. Although it can effectively capture carbon dioxide, due to the economic constraints of high energy consumption, high reconstruction costs, and technical constraints of absorbent degradat...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/96B01D53/62B01D3/06B01D5/00B01D53/48
CPCB01D53/78B01D53/965B01D53/62B01D3/06B01D5/009B01D53/48B01D2252/102B01D2257/504Y02P70/10
Inventor 王长红蒋凯琦柴立元李帅向开松
Owner 湖南同丰清碳科技有限公司