Research method for relation between humus and uranium metallogenesis in sandstone type uranium deposit

A sandstone type and humus technology is applied in the research field of the relationship between humus and uranium mineralization in sandstone type uranium deposits. Effect

Inactive Publication Date: 2014-08-06
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

Due to the cumbersome extraction of humic substances, previous studies on the relationship betwe

Method used

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  • Research method for relation between humus and uranium metallogenesis in sandstone type uranium deposit
  • Research method for relation between humus and uranium metallogenesis in sandstone type uranium deposit

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the examples.

[0024] A method for researching the relationship between humus and uranium mineralization in sandstone-type uranium deposits, comprising the following steps:

[0025] Step 1, select core samples from the oxidation zone, transition zone, and reduction zone of the sandstone-type uranium deposit in the interlayer oxidation zone, and use an analytical balance to weigh their quality Q 1 , Q 2 , Q 3 , and its uranium content was tested by inductively coupled plasma mass spectrometry (ICP-MS), and U 1 , U 2 , U 3 , see the table below;

[0026]

[0027] Step 2, separating and purifying humic acid HA and fulvic acid FA in oxidation zone, transition zone and reduction zone;

[0028] Step 2.1, the core samples collected in step 1 are naturally air-dried respectively, and sieved with an 80-mesh sieve, and the sieved samples are respectively mixed with 0.1mol / l NaOH and 0.1mol / l NaOH ...

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Abstract

A purpose of the present invention is to remedy defects of a research method for relation between humus and uranium metallogenesis in sandstone type uranium deposit. The invention provides a research method for relation between humus and uranium metallogenesis in sandstone type uranium deposit. The method comprises collecting an experiment sample in field, purifying humic acid (HA) and fulvic acid (FA) in a laboratory, characterizing the humic acid (HA) and the fulvic acid (FA), and carrying out a uranium metallogenesis simulation experiment. According to the invention, various stages from the field geology observation sampling to the laboratory purification simulation are encompassed, the conversion from qualitation to quantitation is achieved, the process is standardized, the reliability is high, the purification method is reasonable and feasible, and important effects are provided for deepening of the sandstone type uranium metallogenesis mechanism, and determination of the specific relation between the humus and the uranium metallogenesis effect.

Description

technical field [0001] The invention belongs to the technical field of geology, and in particular relates to a research method for the relationship between humus and uranium mineralization in sandstone-type uranium deposits. Background technique [0002] The formation of sandstone-type uranium deposits is closely related to organic matter, and the organic matter most closely related to uranium migration and precipitation is humus. Humic substances are composed of three parts: humic acid HA, fulvic acid FA and huminous matter Humin. Due to the complicated industry of humus extraction, previous studies on the relationship between humus and uranium mineralization are few, and most of them are qualitative studies. Contents of the invention [0003] The purpose of the present invention is to provide a research method for the relationship between humus and uranium mineralization in sandstone-type uranium deposits in order to make up for the defects of the research method for th...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 张玉燕刘红旭修晓茜邱骏挺王文全刘章月
Owner BEIJING RES INST OF URANIUM GEOLOGY
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