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Method and apparatus for quantifying radionuclides in liquid medium

A technology of radionuclide and liquid medium, which is applied in the field of quantifying radionuclide and devices in liquid medium, and can solve problems such as unreliability and inapplicability

Inactive Publication Date: 2022-04-26
环境与工程技术有限公司德累斯顿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantageously, these methods are not applicable or at least unreliable in industrial applications, mainly due to the significant radiation attenuation in the sample as well as in the measurement window

Method used

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  • Method and apparatus for quantifying radionuclides in liquid medium
  • Method and apparatus for quantifying radionuclides in liquid medium
  • Method and apparatus for quantifying radionuclides in liquid medium

Examples

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Embodiment Construction

[0106] Examples of devices according to the invention are in figure 1 A. figure 1 B and figure 2 shown in . In a first example, the measuring cell comprises a gamma-ray detector, wherein the gamma-ray detector is mounted on the measuring cell wall ( figure 1 A). In a second example, the flow measurement cell is an elbow, wherein a gamma ray detector is installed in said elbow ( figure 1 B). In both examples, the gamma-ray detector includes a scintillator, a photomultiplier tube, and an integrated base 3 for a gamma spectrometer including a high-voltage power supply 4, a preamplifier 5, and a multi-channel analyzer 6 . Furthermore, the device according to the invention comprises a computer 7 and a programmable logic controller 8 for full-scale spectral data analysis and online access to the data measured by the device according to the invention.

[0107] Another example includes entry multiplexer 9 ( figure 2 ). The flow cell is a large volume compartment for liquid ...

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PUM

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Abstract

The invention relates to a method for quantifying radionuclides in a liquid medium, comprising measuring a gamma ray spectrum, a device for quantifying radionuclides in a liquid medium, and a method for quantifying a radionuclide concentration in a hydrometallurgical processing medium, the invention relates to a method for quantifying the concentration of uranium and / or radioactive uranium decay products in a uranium mining solution or a uranium recovery solution, or thorium and / or radioactive < 232 > Th decay products in a rare earth element processing solution, especially for quantifying the concentration of uranium and / or radioactive uranium decay products in a uranium mining solution or a uranium recovery solution.

Description

technical field [0001] The invention relates to a method for quantifying radionuclides in liquid media comprising measuring gamma-ray spectra, a device for quantifying radionuclides in liquid media, and a device for quantifying radionuclides in hydrometallurgical processing media In particular, to quantify the concentration of uranium and / or radioactive uranium decay products in uranium mining solutions or uranium recovery solutions, or to quantify thorium and / or radioactive uranium decay products in rare earth element processing solutions 232 Use of Th decay products. Background technique [0002] Usually, in 226 Quantification in systems with extremely low to disappearing Ra concentrations 235 The U method employs gamma-ray spectroscopy to measure the 235 The intensity of gamma rays in the peak range of 185.7 keV specified by U (Kaspar et al., 2017). because 238 U does not emit gamma rays, so at 238 The first three members of the U decay chain 238 U 234 Th and 234...

Claims

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Application Information

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IPC IPC(8): G01T1/36
CPCG01T1/36G01T1/167G01T1/20
Inventor 戈特弗里德·霍斯特·麦尔滕延斯·舒伯特
Owner 环境与工程技术有限公司德累斯顿
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