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Device and method for testing performance of seawater uranium extraction material

A material performance and seawater technology, which is applied in the field of devices for testing the performance of seawater uranium extraction materials, can solve the problems of unreliable reaction uranium extraction materials and seawater adaptability, etc., to achieve convenient operation of the device, simple process, and stable system good sex effect

Pending Publication Date: 2020-05-05
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Abstract
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Problems solved by technology

However, the existing devices for testing the performance of uranium extraction materials mainly use the simulated seawater configured in the laboratory as the adsorption object to conduct research on the performance of the material, which cannot truly reflect the uranium extraction performance of the uranium extraction material in a real seawater environment. and seawater adaptability
Due to the different adsorption objects, the existing device technology does not consider the interference of factors such as high salt concentration and corrosiveness of real seawater, especially the influence of marine microorganisms on the performance of uranium extraction materials is very obvious, so it is urgent to develop a set of Real seawater is the object of adsorption, and according to the composition characteristics of seawater, the device and method for testing the performance of uranium extraction materials in real seawater environment

Method used

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  • Device and method for testing performance of seawater uranium extraction material
  • Device and method for testing performance of seawater uranium extraction material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] a. The natural seawater is sent into the seawater control system through the water pump 12 through the seawater inlet 11;

[0051] b. Natural seawater firstly regulates the marine microorganisms through the first microbial controller 13 or the second microbial controller 14 in the seawater regulation system, filters out the marine microorganisms in the seawater, and then enters the buffer 15, after the regulation in the buffer 15 The natural seawater is passed through the columnar adsorption system inlet 16 and the grooved adsorption system inlet 17 to enter the columnar adsorption system and the grooved adsorption system respectively;

[0052] c. Fill the polyamide oxime gel film material into the adsorption column 23, seawater flows into the adsorption column 23 through the inlet valve I21 in the columnar adsorption system, and the flow rate of No. 1-5 adsorption column is set to 50ml / min , No. 6-10 adsorption column set the flow rate to 100ml / min. The uranium in the...

Embodiment 2

[0056] a. The natural seawater is sent into the seawater control system through the water pump 12 through the seawater inlet 11;

[0057] b. In the seawater regulation system, the natural seawater first passes through the first microbial controller 13 or the second microbial controller 14 to not regulate the marine microorganisms, and then enters the buffer 15, and the regulated natural seawater in the buffer 15 passes through columnar adsorption The system inlet 16 and the groove adsorption system inlet 17 respectively enter the columnar adsorption system and the groove adsorption system;

[0058] c. the polyamidoxime gel film material is filled in the adsorption column 23, and seawater flows into the adsorption column 23 through the inlet valve 1 in the columnar adsorption system, and the set flow rate of No. 1-5 adsorption column is 50ml / min , No. 6-10 adsorption column set the flow rate to 100ml / min. The uranium in the seawater is adsorbed by the polyamide oxime gel membr...

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Abstract

The invention discloses a device and method for testing the performance of a seawater uranium extraction material. A seawater regulation and control system employs a multi-stage filtering mode and canachieve the controllable filtering of marine microorganisms in seawater while removing solid impurities in seawater and can achieve the research of the impact on the performance of the uranium extraction material from the microorganisms. The multi-group parallel operation process of two adsorption placement modes with different modes is adopted, and the controllable process of adsorption conditions is realized. The device adopts a reserved opening design so that the expansion of a columnar adsorption system and a groove-shaped adsorption system can be conveniently realized. The method and thedevice have the advantages of simple process, convenient device operation, good system stability, controllable adsorption conditions and capability of carrying out multiple groups of parallel contrast experiments. The method can effectively realize comprehensive assessment and screening of the performance of the seawater uranium extraction material in a real seawater environment and has importantvalue for research and development of the seawater uranium extraction material and related technical research.

Description

technical field [0001] The invention belongs to the technical field of extracting uranium from seawater, and in particular relates to a device and a testing method for testing the properties of materials for extracting uranium from seawater. Background technique [0002] Uranium resources are the basic resources for the sustainable development of the nuclear industry and the strategic resources for the development of nuclear energy. Under the background of the continuous development of nuclear energy, the issue of safeguarding nuclear fuel uranium has become increasingly prominent. In 2015, the International Atomic Energy Organization (IAEA) and the Nuclear Energy Agency (OECD-NEA) of the Organization for Economic Cooperation and Development announced that the total mass of proven uranium resources in the world is about 7.64×10 6 tons, this part of uranium resources is estimated to be only enough for human use for about 120 years. plus an undiscovered approx. 7.70×10 6 ton...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00C02F1/28C02F103/08
CPCG01N33/00C02F1/28C02F2103/08
Inventor 汪小琳文君田杰王宁程冲
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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