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In situ measuring apparatus and method for components and concentration of pollutants released by sediment in water body

A pollutant and drainage device technology, which is applied in the direction of measuring devices, test water, and analysis materials, etc., can solve the problems of inconvenient collection and transportation of sediment, accuracy error of analysis results, and no publication, etc., and achieves simple structure and low cost , the effect of little human interference

Inactive Publication Date: 2017-08-25
上海同瑞环保工程有限公司
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Problems solved by technology

However, the disadvantage of this analysis method is that the sediment will be disturbed to a certain extent during the collection process, and the sediment will be in contact with the external environment such as air and sampling bottles during transportation and processing, which will cause certain changes in the composition of the sediment, resulting in The accuracy of the analysis results produces certain errors
Moreover, in rivers and lakes, the collection and transportation of sediment is inconvenient and expensive
At present, there is no device and method published and put into practical use for in-situ determination of the composition and concentration of pollutants released from the sediment of the water body to the overlying water body

Method used

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  • In situ measuring apparatus and method for components and concentration of pollutants released by sediment in water body
  • In situ measuring apparatus and method for components and concentration of pollutants released by sediment in water body

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Embodiment Construction

[0023] A specific embodiment will be described in detail below in conjunction with the accompanying drawings.

[0024] Please refer to figure 1 , a device for in-situ determination of pollutant components and concentrations released from water body sediment, comprising an impermeable water pipe 1, the lower end of the impermeable water pipe 1 is inserted into the sediment 4 of the water body to be measured, and the top of the impermeable water pipe 1 is higher than the water body The water surface in the impermeable water pipe 1 is discharged to the outside of the pipe through the drainage device 2, and a solution for dissolving sediment pollutants is injected into the impermeable water pipe 1 that has been emptied of water. In the present invention, the top of the impermeable water pipe 1 can be unsealed or sealed, and the present invention is not limited. In this embodiment, a cap is preferably installed on the top of the impermeable water pipe 1 to prevent foreign substance...

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Abstract

The invention relates to an in situ measuring apparatus and method for components and concentration of pollutants released by sediment in a water body. The apparatus comprises a watertight water pipe, wherein the lower end of the watertight water pipe is inserted into the sediment of a measured water body, the top end of the watertight water pipe is higher than the water surface of the water body, water in the watertight water pipe is discharged out of the pipe through a drainage apparatus, and a solving liquid for dissolving out pollutants in the sediment is injected into the watertight water pipe without water. The method can be carried out in a condition that the sediment of the water body is not collected, the solving liquid is collected and the components and concentration of the pollutants in the solving liquid are measured, so that a goal of knowing the contamination of the sediment to an overlaying water body is achieved.

Description

technical field [0001] The invention relates to water body pollutant monitoring technology, in particular to a device and method for in situ measuring the pollutant composition and concentration released from water body bottom mud. Background technique [0002] With the acceleration of industrial and agricultural development, the pollution caused by untreated sewage entering rivers or lakes in our country has become more and more serious. With the government's emphasis on ecological protection, the protection of rivers and lakes is also on the agenda. Due to long-term pollution of water bodies such as river courses or lakes, a large amount of pollutants are deposited in the bottom mud of the water body. Usually, the pollutants deposited in the bottom mud will continue to be released to the overlying water body. Even if the overlying water body is purified and the bottom mud is not treated, the water body will be polluted again. Therefore, when carrying out water pollution ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01N33/18
CPCG01N33/00G01N33/18
Inventor 宗兵年韦联平易辉汪正霞
Owner 上海同瑞环保工程有限公司
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