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Shallow groundwater pollutant monitoring system

A monitoring system and groundwater technology, applied in the fields of environmental science, groundwater pollution and soil science research, can solve problems such as the complex and changeable field conditions that cannot be truly reflected, and achieve the effects of tracking monitoring, reducing interference, and convenient sample collection.

Inactive Publication Date: 2016-11-16
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such studies are limited to indoor simulations or computer simulations, and cannot truly reflect the actual complex and changeable field conditions.

Method used

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  • Shallow groundwater pollutant monitoring system
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  • Shallow groundwater pollutant monitoring system

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] In this embodiment, groundwater samples at 0.1m, 0.5m, 1.0m, 1.5m, and 2.0m of shallow groundwater are collected.

[0033] as attached figure 1 As shown, in this embodiment, five monitoring wells are used as a group of monitoring systems, and each monitoring well monitors the status and characteristics of groundwater pollution at different depths.

[0034] as attached figure 2As shown, this embodiment includes 1-conical bottom of collecting column; 2-sand core filter membrane; 3-middle column; 4-outlet pipe; 5-protective cap; The collecting column, intermediate column and protective column are connected sequentially from bottom to top. The lower part of the collection column is a cone 1, the upper part is a cylinder, and the upper end of the cylinder is a threaded opening, which is connected with the middle column of the monitoring well. The...

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Abstract

The invention discloses a shallow groundwater pollutant monitoring system. The system comprises a monitoring well and a sampling system. The monitoring well is a stainless steel combination column and comprises a collection column, a middle column and a protective column which are sequentially connected from bottom to top. The lower portion of the collection column is a cone, and the upper portion of the collection column is a cylinder, a set of thin and long seepage core filter membranes are arranged within 10 cm at the lower end of the cylinder. The sampling system comprises a water outlet pipe, a sampling bottle and a power pump, wherein the water outlet pipe is a two-way water guiding pipe, one end of the water outlet pipe stretches deep into the monitoring well, and the other end of the water outlet pipe is connected with the sampling bottle, and underground water in the monitoring well is guided into the sampling bottle through pump suction. The shallow groundwater pollutant monitoring system is applicable to research of agricultural chemical application such as pesticide, the actual field phenomenon is better reflected on the basis of the underground pollution rules, and basic parameters and data are provided for underground pollution assessment and pollution prevention.

Description

technical field [0001] The invention relates to a pollutant monitoring system in shallow groundwater, which belongs to the research fields of environmental science, groundwater pollution and soil science. Background technique [0002] With the development of agricultural modernization, the extensive use of chemical fertilizers and pesticides has become the most important factor of soil environmental pollution. Among them, pesticide residues have seriously affected the water environment. Studies have found that the amount of water-soluble pesticides accounts for more than 50% of the total amount of pesticides. After being applied to paddy fields, they are mostly soluble in paddy water, and easily pollute the water environment through surface runoff and soil leakage. Shen Genxiang et al. studied the loss characteristics of water-soluble pesticides in rice fields and their influencing factors, and concluded that the total loss of rice fields with two pesticides, monosultap and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18G01N1/14G01N1/16G01N1/34
CPCG01N1/14G01N1/16G01N1/34G01N33/18G01N33/1806G01N33/1813G01N33/1826G01N2001/1418G01N33/184Y02A20/20
Inventor 孔德洋许静吴文铸何健孔祥吉单正军
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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