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Membrane separation device and method for carbon isotope separation

A technology for carbon isotope and membrane separation, applied in separation methods, separation of different isotopic elements, separation of dispersed particles, etc., can solve the problems that the technology has not been localized and scale production has not been realized, and achieves technical feasibility and effective occupation Higher effect

Pending Publication Date: 2018-12-07
TSINGHUA UNIV
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Problems solved by technology

At present, the industrial production method of carbon isotopes is cryogenic distillation, but the related technology has not yet been domestically produced.
In addition, the laser method, chemical catalytic exchange method, and gas centrifugation method have made progress in the study of carbon isotope separation, but none of them has achieved a certain scale of production

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  • Membrane separation device and method for carbon isotope separation
  • Membrane separation device and method for carbon isotope separation
  • Membrane separation device and method for carbon isotope separation

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0026] It should also be noted that the text may provide examples of parameters that include specific values, but these parameters need not be exactly equal to the corresponding values, but may approximate the corresponding values ​​within acceptable error tolerances or design constraints. The directional terms mentioned in the embodiments, such as "up", "down", "front", "rear", "left", "right", etc., are only referring to the directions of the drawings, and are not intended to limit the present invention protected range.

[0027] It should be noted that throughout the drawings, the same elements are denoted by the same or similar reference numerals. In the following description, some specific embodiments are only for th...

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Abstract

The invention discloses a membrane separation device and method for carbon isotope separation. The device comprises a cylindrical cavity for loading a separation membrane tube, a stainless steel clothreel and a porous membrane (such as polyether sulfone resin or polypropylene screen), wherein the porous membrane winds and coats on the outer wall surface of the stainless steel cloth reel for exactly and completely coating by one circle; the side face of the reel is adhered and sealed with liquid glue; the reel coated with the porous membrane is loaded into the cylindrical cavity, and two endsof the reel are sealed with liquid glue; the cylindrical cavity with the separation membrane tube is provided with three openings, two openings are arranged at two axial ends, and one opening is formed in the side wall and is a light component flow outfall; and one opening at the axial end part is a supply inlet, and the other opening at the axial end part is a heavy component outfall. The devicehas the advantages that carbon isotope separation based on the molecular drainage principle can be remarkably realized, and the carbon isotope has high effective proportion in the separation medium.

Description

technical field [0001] The invention belongs to the technical field of isotope separation, and in particular relates to a membrane separation device and method for carbon isotope separation. Background technique [0002] As people pay more attention to health and food safety, the application of stable isotopes in medical diagnosis, food safety and other fields has become more and more extensive and in-depth. requirements. The main application form of carbon isotope is organic compound labeled with carbon-13 isotope. Since carbon is an essential element in organic compounds, and carbon-13 isotope has no radioactivity, it has a broad application space. Exhalation reagents in the form of different compounds labeled with high-abundance carbon-13 isotopes (>99%) have been used in many clinical applications such as the detection of Helicobacter pylori, the detection of diabetes, and the diagnosis of liver cirrhosis. In addition, various allotropes of carbon present diverse st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D59/10
CPCB01D59/10
Inventor 周明胜裴根姜东君潘建雄李俊杰
Owner TSINGHUA UNIV
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