Electrically-driven chemical carbon pump compound circulation device and method for rarefied gas source
A compound cycle, electric drive technology, applied in the field of carbon capture, to achieve the effect of improving carbon capture rate and capture purity
Active Publication Date: 2022-04-29
TIANJIN UNIV
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Problems solved by technology
The existing air carbon capture technology includes solution absorption method, solid adsorption method, electrodialysis method, etc., but there is currently no technology for air carbon capture using bipolar membrane electrodialysis technology, so bipolar membrane electrodialysis technology is used to carry out Air carbon capture is necessary
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] The present invention designs an electric-driven chemical carbon pump compound circulation device facing the rare gas source, and its main function is to capture CO from the rare gas source 2 . Compared wi...
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The invention relates to an electrically-driven chemical carbon pump compound circulation device and method for a rarefied gas source. The device comprises an electrolytic tank and a battery structure, wherein the electrolytic tank comprises a cathode reaction cavity, a carbon dioxide desorption cavity, a carbon dioxide absorption cavity and an anode reaction cavity which are connected in sequence; the carbon dioxide desorption cavity is communicated with the carbon dioxide absorption cavity through a bipolar membrane; the battery structure comprises a negative electrode, a positive electrode, a positive electrode region and a negative electrode region, the cathode is arranged in the cathode area, and the anode is arranged in the anode area; the cathode is connected with the cathode reaction cavity; the positive electrode is connected with the positive electrode reaction cavity, and a liquid outlet of the negative electrode region is communicated with a liquid inlet of the negative electrode reaction cavity; a liquid inlet of the negative electrode region is communicated with a liquid outlet of the cathode reaction cavity; a liquid outlet of the positive electrode region is communicated with a liquid inlet of the positive electrode reaction cavity; and a liquid inlet of the positive electrode region is communicated with a liquid outlet of the positive electrode reaction cavity. According to the invention, the bipolar membrane electrodialysis technology is adopted to realize carbon capture, so that the carbon capture rate and the capture purity can be improved.
Description
technical field [0001] The invention relates to the technical field of carbon capture, in particular to an electrically driven chemical carbon pump composite cycle device and method for rare gas sources. Background technique [0002] In recent years, the massive burning of fossil fuels has continuously increased the concentration of carbon dioxide in the atmosphere, leading to an increasingly serious greenhouse effect. With the increasing demand of human beings for energy, fossil fuels will remain the main energy source in the next few decades. While traditional carbon capture models, such as post-combustion capture from large point sources, can slow atmospheric CO 2 Concentration rises, but the direct capture of CO in the air as a representative of negative carbon technology 2 Technology can reduce atmospheric CO 2 Concentration for a more direct "intervention". The existing air carbon capture technology includes solution absorption method, solid adsorption method, elec...
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IPC IPC(8): B01D53/14B01D53/18
CPCB01D53/1412B01D53/1425B01D53/1475B01D53/18B01D2257/504Y02C20/40B01D53/326B01D2258/06B01D53/62B01D53/965B01D2251/306B01D2251/606B01D2256/22
Inventor 邓帅孙鹏黄耀炜
Owner TIANJIN UNIV