Method for preparing ultralight water by isotope distillation

An ultra-light water and isotope technology, applied in the field of isotope distillation, can solve the problems of ultra-light water not suitable for drinking, shortening the equilibrium time, difficulty in safe production, etc., and achieve the effect of improving the isotope separation effect, shortening the separation time, and shortening the steps

Inactive Publication Date: 2010-01-13
江苏奥特泉超轻水饮料有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, it is well known that hydrogen sulfide is highly toxic, and the preparation and storage of hydrogen sulfide are quite difficult. In addition, the production process requires strict requirements, so safe production is quite difficult.
In particular, because ultra-light water belongs to the category of drinking water and has strict requirements on the residual indicators of chemical substances, the ultra-light water produced by the aforementioned technical solution is not suitable for drinking, which limits the scale of popularization and application
[0007] In the technical scheme of the production device and method for drinking ultra-light water recommended by China Invention Patent Application No. 200810032767.7, the after-treatment method is emphasized, and the ultra-light water that meets the drinking standard is obtained through the combination of rectification, centrifugal separation and nanofiltration , did not introduce isotope separation in detail, however, as a very important element in isotope separation, how to achieve the best separation effect with a smaller device volume (rectification tower body); how to adapt the preparation process to ultra- Changes in the requirements of the deuterium content in light water, such as changing the configuration of the device according to the requirements of the deuterium content in ultra-light water; how to improve the isotope separation efficiency and shorten the equilibrium time, etc., because the above-mentioned elements have not been found in the published literature. Therefore, it is necessary to explore, and the technical solutions to be introduced below are produced under this background

Method used

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  • Method for preparing ultralight water by isotope distillation
  • Method for preparing ultralight water by isotope distillation
  • Method for preparing ultralight water by isotope distillation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0030] please see figure 2 , taking the preparation of ultra-light water with a deuterium content of 25ppm as an example, the specific steps are as follows:

[0031] A) produce purified water, with embodiment 1;

[0032] B) Prepare ultra-light water, please combine figure 2 , figure 2 The isotope separation device shown is two rectification towers connected in series. Since there are two rectification towers, the applicant calls it a two-stage process. The inner diameters of the two towers are 0.85m and 0.75m respectively, and they are filled with CY700 type Wire mesh corrugated packing is made of phosphor bronze. The net height of each tower packing is 12m. The feed inlet is at the place 4m away from the bottom of the first rectification tower 3. The theoretical plate number of the two towers is 163. currently by figure 2 Take the position shown as an example. The first rectification tower 3 is the rectification tower on the left with an inner diameter of 0.85m and a ...

Embodiment 3

[0035] please see image 3 , taking the preparation of ultra-light water with a deuterium content of 1ppm as an example, the specific steps are as follows:

[0036] A) produce purified water, with embodiment 1;

[0037] B) Prepare ultra-light water, please combine image 3 , image 3 The schematic isotope separation device is three rectifying towers connected in series. Since there are three rectifying towers, the applicant calls it a three-stage flow process. The three rectifying towers are the first, second and third rectifying towers 3, The inner diameters of 5 and 7 are 0.32m, 0.3m and 0.24m respectively, and each is filled with CY700 type phosphor bronze wire mesh corrugated packing. At the bottom 4m of the tower, the relevant parameters of the first, second and third rectification towers 3, 5 and 7 are shown in the table below:

[0038] parameter name

The first distillation column 3

The second distillation tower 5

The third distillation tower 7 ...

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Abstract

The invention relates to a method for preparing ultralight water by isotope distillation, belonging to the technical field of isotope distillation and comprising the following steps: preparing purified water with city tap water as the raw material water which is purified to obtain purified water; and preparing ultralight water, i.e. introducing an isotope separator to carry out isotope mass transfer exchange so as to obtain ultralight water with deuterium content of 1-100 ppm. The method is beneficial to improving the isotope separation effect, has simple step and convenient operation, and can use the isotope separator according to the content of deuterium required, thereby showing ideal separation efficiency and shortening theseparation time.

Description

technical field [0001] The invention belongs to the technical field of isotope rectification, and in particular relates to a method for preparing ultra-light water by isotope rectification. Background technique [0002] Water is composed of two hydrogen atoms and one oxygen atom, but the hydrogen atom has three isotopes with mass numbers 1, 2 and 3 respectively. These three isotopes are: H1 (protium), H2 (deuterium) and H3 (tritium) ), H2 (deuterium) is heavy hydrogen, and H3 (tritium) is tritium. Tritium (tritium) is radioactive and does not exist in nature. Therefore, water in nature has only two stable isotopes, H1 and H2, among which, the content of H2 (deuterium), namely deuterium, is about 150 ppm. [0003] The water obtained by removing or partially removing deuterium from natural water to reduce the deuterium content in the water is called ultra-light water, and the chemical properties of ultra-light water are exactly the same as ordinary water. In addition, ultra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B5/00
Inventor 余兆钧徐志宏
Owner 江苏奥特泉超轻水饮料有限公司
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