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A New Method of Ultrasonic Nano Extraction for Prospecting

A new method of ultrasonic technology, applied in the field of ultrasonic nano-extraction ore prospecting, can solve the problem that it is difficult to separate a single nano-particle, and achieve good results

Active Publication Date: 2019-12-10
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For more than 20 years, scholars at home and abroad have carried out a lot of research on nano-geochemical technology and accumulated some achievements, but the theory and method technology system of nano-geochemistry still needs to be further explored and improved.
Therefore, it is difficult to completely isolate single nanoparticles from soil

Method used

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  • A New Method of Ultrasonic Nano Extraction for Prospecting
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  • A New Method of Ultrasonic Nano Extraction for Prospecting

Examples

Experimental program
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Embodiment 1

[0047] In order to explore a new method of prospecting based on ultrasonic nano-extraction, this example selects a lead-zinc mining area in a semi-arid grassland landscape area, and carries out a geochemical exploration test for concealed ore, in order to test the ultrasonic nano-extraction measurement method for ore prospecting in the coverage area. effectiveness.

[0048] 1 Geographic landscape features and geological situation

[0049] A lead-zinc mining area is located in the middle east of the Inner Mongolia Autonomous Region, and its administrative division is under the Keshiketeng Banner of the Inner Mongolia Autonomous Region. The mining area is located in a semi-arid climate zone, which is characterized by typical continental climate, mainly characterized by dryness, windy, cold, and large temperature difference between day and night. The study area is a hilly grassland area with middle and low mountains, and the surface water system in the area is relatively developed...

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Abstract

The invention discloses a novel method to prospect ores by ultrasonic nano extraction, comprising: collecting a soil sample, namely, using the soil sample <160 in mesh as a test sample, adding the test sample in a centrifugal tube, adding super-pure water, shaking well, adding the centrifugal tube in a centrifuge for centrifuging, removing water from the centrifugal tube, reserving soil, adding super-pure water again into the soil reserved in the centrifugal tube, performing ultrasonic extraction under certain conditions, centrifugally separating with the centrifuge at a certain speed, filtering supernate with a membrane, adding 5% dilute nitric acid into the filtrate, measuring indicative elements in the filtrate by ICP-MS (inductively coupled plasma mass spectrometry) so as to complete ultrasonic nano extraction and measurement; acquiring corresponding geochemical anomalies through data processing to indicate buried ores. The novel method has good indicative effect for buried ores.

Description

technical field [0001] The invention relates to the prospecting technology of concealed ore in the covering area, in particular to a new method of ultrasonic nanometer extraction for ore prospecting. Background technique [0002] With the continuous deepening of the prospecting work, the concealed mines in the covered area will become important exploration targets in the future, but the prospecting is also more difficult. Commonly used exploration methods include gas measurement and chemical partial extraction. These methods have a large workload in the field, complex indoor operations, large interference factors, and poor reproducibility of analysis and measurement. [0003] Prospecting technology based on nanometer measurement is considered to be a promising method for finding hidden ore bodies because it can penetrate the overburden and obtain information about hidden ore bodies in deep places. For more than 20 years, scholars at home and abroad have carried out a lot of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02G01N1/28
CPCB01D11/0265G01N1/286
Inventor 向武
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)