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A method and equipment for producing ultra-light water from light water

An ultra-light water and light water technology, applied in the field of nuclear applications, can solve the problems of large equipment investment, complex equipment, large investment, etc., and achieve the effect of ensuring safety and delaying the increase

Active Publication Date: 2015-09-02
柯香文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since industrial hydrogen production is a diaphragm electrolyzer, the optimal separation coefficient of deuterium and protium in the electrolysis process is not considered, and the structure of the electrolyzer, electrodes and working conditions of the electrolyzer are not fully considered, which is not conducive to the separation of hydrogen isotopes. The separation coefficient of protium and deuterium in the electrolytic cell is small, so the content of deuterium in the synthesized ultra-light water can only be above 50PPm
The synthesis reactor uses a fuel cell. Although the technology is advanced, the equipment is complicated, the cost is high, and the investment is large. It is still difficult to industrialize
The use of solar desalination technology for electrolytic water is environmentally friendly but increases the difficulty of water treatment and requires a large investment in equipment

Method used

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  • A method and equipment for producing ultra-light water from light water
  • A method and equipment for producing ultra-light water from light water
  • A method and equipment for producing ultra-light water from light water

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Embodiment Construction

[0042] The main equipment for producing ultra-light water proposed by the present invention is a low-temperature non-diaphragm volume-reducing electrolyzer with a large protium-deuterium separation coefficient and operating at low temperature. The electrolyzer is composed of two parts: an electrolyzer box and a tube-and-tube condenser The diaphragmless electrolyzer is a box structure, with a length, width and height of 650×550×210mm, divided into upper, middle and lower sections, each of which is 700mm in height, and the sections are connected by square flanges. The lower part is the electrolytic tank body, the electrode plate in the tank is a plate-shaped structure, and there are 48 cathodes and anodes each. The pole segment plate is welded with a soft iron lead-out electrode with a cross-sectional area of ​​45×55mm, which is led out through the electrolyzer box by a copper rod with a diameter of 30mm, and is sealed by a pressure cap and a Teflon gasket. The cathode and anode...

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Abstract

The invention relates to a method and equipment for preparing deuterium depleted water by light water, the method is characterized in that light water is performed with deionization treatment, then light water and an electrolyte potassium hydroxide are mixed at low temperature with mixing proportion of 5-8%, after potassium hydroxide is fully dissolved, 5-8% of potassium hydroxide-containing light water (the electrolyte) is sent to a diaphragm-free capacity-reduction electrolytic tank, so that oxygen and protium are generated, and then deuterium depleted water is synthesized through catalysis. The catalyst used by the synthesis reaction is a palladium catalyst, the outlet pressure of a synthesis reactor is controlled at 0.01-0.02Mpa, the flow speed of gas mixture of oxygen and protium through a nozzle is 30-35 meters / second, the granularity of quartz sand is 0.8-1.6mm, and the thickness of a flame retardant layer of the synthesis reactor is 5-7 times than that of the inner diameter of the synthesis reactor. The equipment employed by water electrolysis is the box-type low temperature diaphragm-free capacity-reduction electrolytic tank, and employs a plurality of electrolytic pools. The method and equipment for preparing deuterium depleted water by light water have the beneficial effects that the method is safe and reliable, the technology is simple, the equipment cost is low, and the market prospect is good.

Description

technical field [0001] The invention relates to a method and equipment for preparing ultra-light water from light water, and belongs to the technical field of nuclear application. Background technique [0002] As we all know, water in nature is generally composed of 2 hydrogen atoms and 1 oxygen atom (H 2 O), but the hydrogen atom has three isotopes with different masses, the one with mass 1 is hydrogen (H), the one with mass number 2 is deuterium (D), and the one with mass number 3 is tritium (T). The water combined with oxygen by hydrogen (H) with a mass number of 1 is called light water, and the water with heavy hydrogen and superheavy hydrogen with a mass number of 2 and 3 is called heavy water and superheavy water, respectively. The content of deuterium in natural water is about 150ppm. [0003] Research at home and abroad shows that the presence of deuterium (heavy hydrogen) in water is harmful to the survival, development and reproduction of living organisms. No ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B5/00
Inventor 柯香文
Owner 柯香文
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