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Method for predicting and warning soil heavy metal pollution area

A technology for polluted areas and heavy metals, applied in prediction, measurement device, color/spectral characteristic measurement, etc., to achieve the effect of satisfying model accuracy and reducing impact

Inactive Publication Date: 2019-10-18
重庆工商大学融智学院
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Problems solved by technology

[0008] In order to overcome the shortcomings of the existing early warning methods for soil heavy metal pollution, the present invention provides a detection method for the effective state of soil heavy metals to solve the above technical defects

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  • Method for predicting and warning soil heavy metal pollution area
  • Method for predicting and warning soil heavy metal pollution area
  • Method for predicting and warning soil heavy metal pollution area

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Embodiment Construction

[0035] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0036] see image 3 and Figure 4 , the embodiment of the present invention includes:

[0037] Taking a certain area in Hongshan District, Wuhan, Hubei Province as the experimental object, the ecological risk prediction of soil heavy metal pollution in this area is carried out. The specific steps are as follows:

[0038] (1) Sample collection and pretreatment:

[0039] Select an area of ​​100 square kilometers in Hongshan District, Wuhan, Hubei, and arrange 100 sampling points according to the requirements of the principle of representativeness and uniformity. The location of the sample point is to select a site with better preservation of the...

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Abstract

The invention discloses a method for predicting and warning a soil heavy metal pollution area. The method comprises: collecting and preprocessing an original soil sample; carrying out sample separation and detection; carrying out data processing and analysis; and building a prediction model. According to the method disclosed by the invention, the soil-attached plants are received into the heavy metal detection range, so that the detection contents become comprehensive and accurate; and on the basis of combination of the heavy metal effective state theory with the GIS visualization technology,the prediction result has the great practical significance, so that the theoretical basis and scientific basis are provided for ecological risk evaluation, control, treatment, and repairing of the heavy metal pollution on soil.

Description

technical field [0001] The invention relates to the field of prevention and control of heavy metal pollution, in particular to a method for predicting soil effective heavy metal pollution. Background technique [0002] At present, heavy metal pollution has become a worldwide environmental problem. The sources of heavy metal pollutants (such as Mn, Pb, Cd, Cr, Cu, Zn, etc.) include the extensive use of various common metals in various industries and the waste of them. Untreated burial, 90% of the heavy metals eventually enter the soil. Once the soil is polluted by heavy metals, it is difficult to repair and treat, and it will also cause secondary pollution of water and air environmental quality. Some industrially developed countries have paid a heavy price for this. At the cost, the cultivated land area polluted by heavy metals such as cadmium, arsenic, chromium and lead in China is nearly 20 million hectares, accounting for about 1 / 5 of the total cultivated land area, and heav...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01N21/64G01N21/73G06Q10/04G06Q50/26
CPCG01N21/31G01N21/73G01N21/6404G06Q10/04G06Q50/26
Inventor 吴华安黄丹周猛
Owner 重庆工商大学融智学院
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