CN108984960B - Rapid and accurate positioning and sampling point distribution method for volatile organic pollution - Google Patents
Rapid and accurate positioning and sampling point distribution method for volatile organic pollution Download PDFInfo
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- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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Abstract
The invention mainly discloses a rapid and accurate positioning and sampling and point distribution method for volatile organic pollution, which relates to the technical field of environmental detection.A suspected polluted area is rapidly detected and scanned by volatile organic compound detection equipment, and the equipment is moved and measured on the ground surface to acquire real-time data; inputting detection data into a computer, performing a kriging space interpolation method on the surface concentration by adopting common data analysis software, and fitting the surface concentration with the wind direction, the wind speed and the surface temperature to form a full-coverage volatile organic compound concentration distribution diagram; and setting a standard value of the concentration of the volatile organic compounds according to the land property of the suspected polluted area, wherein a suspected polluted area is defined as the volatile organic compound concentration which is greater than the standard value, and a suspected clean area is defined as the volatile organic compound concentration which is lower than the standard value. The distribution condition of the volatile organic pollutants can be rapidly identified, and the cost and the time are saved.
Description
Technical Field
The invention mainly relates to the technical field of environmental detection, in particular to a rapid and accurate positioning and sampling and point distribution method for volatile organic pollution.
Background
Volatile Organic Compounds (VOCs) are important precursors for forming secondary pollutants such as fine particulate matters (PM 2.5) and ozone (O3), and further cause atmospheric environmental problems such as dust haze and photochemical smog. With the rapid development of industrialization and urbanization in China and the continuous increase of energy consumption, the regional composite air pollution characterized by PM2.5 sum is increasingly prominent, the frequency of heavy air pollution in the region is increased in a large range, the sustainable development of social economy is seriously restricted, and the health of people is threatened. In order to fundamentally solve the pollution problems of PM2.5, O3 and the like, the quality of the atmospheric environment is practically improved. The country should actively promote the pollution prevention and control work of the key precursor VOCs. However, the basic of prevention and control of VOCs pollution in China is weak, and the problems of unclear discharge base number, unsound regulation standards, lagged control technology application, inadequate environmental supervision and the like exist. Meanwhile, the difficulty in establishing a VOCs pollution control system is high due to the fact that VOCs are complex in emission source, various in emission form and various in material variety. Therefore, how to comprehensively develop the prevention and control of VOCs pollution in accordance with the actual situation of China is a very slow, difficult and complex task.
The system stationing scheme adopted in the investigation of the volatile organic pollution field at present can not determine the pollution distribution through site survey, and is difficult to quickly judge key polluted areas, so that the problems of complex stationing scheme at the later stage, long sampling detection period, high cost and the like are caused.
Disclosure of Invention
In view of the defects and shortcomings in the prior art, the invention aims to provide a method for quickly and accurately positioning and sampling and stationing volatile organic pollutants, which can quickly identify the distribution conditions of the volatile organic pollutants, save the cost and save the time.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for quickly and accurately positioning and sampling and distributing volatile organic pollution comprises
(1) The suspected polluted area is rapidly detected and scanned by volatile organic compound detection equipment, the equipment is moved and measured on the ground surface, and real-time data (the concentration of the volatile organic compounds on the ground surface, the temperature, the humidity, the wind direction and the wind speed of the ground surface) are collected;
(2) Inputting the detection data into a computer, and establishing a distribution model of the concentration of the surface volatile organic compounds by a kriging space interpolation method by adopting common data analysis software;
(3) Further fitting with the temperature, humidity, wind direction and wind speed of the ground surface to form a full-coverage volatile organic compound concentration distribution map;
(4) On the basis of the volatile organic compound concentration distribution diagram, a system method space point distribution scheme is adopted to determine ground sampling points and forecast sampling depth, and the concentration change of each sampling point is forecasted to determine the sampling quantity.
(5) And setting a standard value of the concentration of the volatile organic compounds according to the land use property of the suspected polluted area, wherein a suspected polluted area is defined as the volatile organic compound concentration which is greater than the standard value, and a suspected clean area is defined as the volatile organic compound concentration which is lower than the standard value. The suspected polluted area is divided into a key polluted area, a general polluted area and a light polluted area according to concentration grades.
As a further improvement of the invention, the volatile organic compound detection device is a portable detection device, including but not limited to an FID/PID detector, an infrared analyzer, a laser spectrometer, a gas chromatograph-mass spectrometer, and the like.
As a further improvement of the invention, each distribution point of the spatial distribution points of the system method is a square central point, and the side length of the square is one twentieth of the length of the square of the suspected pollution area.
The prediction sampling depth is a surface layer (0-30 cm) and a lower layer (30-150 cm).
As a further improvement of the invention, the data analysis software is surfer8.0 software.
Compared with the prior art, the invention has the beneficial effects that: the distribution method can quickly identify the distribution condition of the volatile organic pollutants, save cost and time, can accurately distinguish a key pollution area from a general pollution area, and can accurately determine the distribution, the sampling depth and the number of each sampling point.
Drawings
The invention will be further described with reference to the following drawings and detailed description:
FIG. 1 is a flow chart of the method for rapidly and accurately positioning and sampling and distributing volatile organic pollutants.
It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Detailed Description
For better understanding of the technical solutions and advantages of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and specific embodiments, it should be understood that the specific embodiments described herein are only for the understanding of the present invention and are not intended to limit the present invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive work are within the scope of the present invention.
Embodiment 1, a method for fast and accurately positioning volatile organic pollution and sampling and stationing, comprising (1) fast detecting and scanning a suspected polluted area through a volatile organic detection device, moving and measuring the device on the ground surface, and collecting real-time data (the concentration of the volatile organic compounds on the ground surface, the temperature, humidity, wind direction and wind speed of the ground surface); (2) Inputting the detection data into a computer, and performing a kriging spatial interpolation method on the concentration of the surface volatile organic compounds by adopting common data analysis software to establish a distribution model; (3) Further fitting with the temperature, humidity, wind direction and wind speed of the ground surface to form a full-coverage volatile organic compound concentration distribution map; (4) On the basis of the volatile organic compound concentration distribution diagram, a system method space point distribution scheme is adopted to determine ground sampling points and forecast sampling depth, and the concentration change of each sampling point is forecasted to determine the sampling quantity. (5) And setting a standard value of the concentration of the volatile organic compounds according to the land use property of the suspected polluted area, wherein a suspected polluted area is defined as the volatile organic compound concentration which is greater than the standard value, and a suspected clean area is defined as the volatile organic compound concentration which is lower than the standard value. The suspected polluted area is divided into a key polluted area, a general polluted area and a light polluted area according to concentration grades.
The volatile organic compound detection device is a portable detection device, and includes but is not limited to an FID/PID detector, an infrared analyzer, a laser spectrometer, a gas chromatograph-mass spectrometer and the like.
Each point of the spatial point arrangement of the system method is a square central point, and the side length of the square is one twentieth of the length of the square of the suspected pollution area.
The prediction sampling depth is a surface layer (0-30 cm) and a lower layer (30-150 cm).
The data analysis software is surfer8.0 software.
According to the scheme, through analyzing the conditions of soil texture, surface humidity and the like, a concentration distribution model of underground volatile organic pollutants is analyzed and judged through computer software, on the basis of the model, a system method space point distribution scheme is adopted to determine ground sampling points and forecast sampling depth, and the sampling quantity is forecasted and determined according to the concentration change of each sampling point. The distribution state of the volatile organic pollutants can be rapidly identified, the cost is saved, the time is saved, the point distribution mode of the invention not only can accurately distinguish a key pollution area from a general pollution area, but also can accurately determine the distribution of the sampling points, the sampling depth and the number of each sampling point.
Claims (4)
1. A method for quickly and accurately positioning volatile organic pollution and sampling and distributing points is characterized by comprising the following steps: comprises that
(1) The suspected polluted area is rapidly detected and scanned by volatile organic compound detection equipment, the equipment is moved and measured on the ground surface, and real-time data including the concentration of volatile organic compounds on the ground surface, the temperature, the humidity, the wind direction and the wind speed of the ground surface are acquired;
(2) Inputting the detection data into a computer, and performing a kriging spatial interpolation method on the concentration of the surface volatile organic compounds by adopting common data analysis software to establish a distribution model;
(3) Further fitting with the temperature, humidity, wind direction and wind speed of the ground surface to form a full-coverage volatile organic compound concentration distribution map;
(4) On the basis of the volatile organic compound concentration distribution diagram, determining ground sampling points and predicting sampling depth by adopting a system method spatial point distribution scheme, and predicting and determining the sampling quantity of concentration change of each sampling point;
(5) Setting a standard value of the concentration of volatile organic compounds according to the land use property of a suspected polluted area, wherein a suspected polluted area is formed when the concentration of the volatile organic compounds is greater than the standard value, and a suspected clean area is formed when the concentration of the volatile organic compounds is less than the standard value; dividing the suspected polluted area into a key polluted area, a general polluted area and a light polluted area according to concentration grades;
each point of the spatial point arrangement of the system method is a square central point, and the side length of the square is one twentieth of the length of the square of the suspected pollution area.
2. The method for rapid and accurate positioning and sampling and point distribution of volatile organic pollutants according to claim 1, characterized in that: the volatile organic compound detection equipment is portable detection equipment and comprises an FID/PID detector, an infrared analyzer, a laser spectrometer and a gas chromatograph-mass spectrometer.
3. The method for rapidly and accurately positioning and sampling the distribution of volatile organic pollutants according to claim 1, wherein the method comprises the following steps: the prediction sampling depth is 0-30cm of the surface layer and 30-150cm of the lower layer.
4. The method for rapidly and accurately positioning and sampling the distribution of volatile organic pollutants according to claim 1, wherein the method comprises the following steps: the data analysis software is surfer8.0 software.
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| CN110302672A (en) * | 2019-06-06 | 2019-10-08 | 重庆工商大学融智学院 | A kind of distribution tuning method of Urban eco-space |
| CN110702875A (en) * | 2019-09-12 | 2020-01-17 | 大连海事大学 | Method for detecting illegal drug manufacturing pits based on soil monitoring technology |
| CN114424058B (en) * | 2019-09-23 | 2022-10-25 | 广州禾信仪器股份有限公司 | Tracing method for VOCs pollution |
| CN111008920B (en) * | 2019-11-07 | 2023-05-16 | 上海勘察设计研究院(集团)有限公司 | Pollution site investigation method based on underground water level fluctuation effect |
| CN111521754B (en) * | 2020-04-22 | 2021-04-13 | 中国科学院地理科学与资源研究所 | Preliminary investigation and stationing method for soil pollution in coking enterprise site |
| CN114264778B (en) * | 2021-12-24 | 2022-08-30 | 江苏云聚汇科技有限公司 | VOCS monitoring system for on-line monitoring |
| CN114689478B (en) * | 2022-04-08 | 2022-11-15 | 江苏锦测环保科技有限公司 | Air quality detection device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527702A (en) * | 2011-12-31 | 2012-07-04 | 中国科学院武汉岩土力学研究所 | Method for detecting pollutants generated by leakage of leachate in landfill and repairing polluted soil |
| CN103934262A (en) * | 2014-05-14 | 2014-07-23 | 中国环境科学研究院 | Method for reducing volatile organic contaminant residue in soil in mechanical ventilation repair process |
-
2018
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527702A (en) * | 2011-12-31 | 2012-07-04 | 中国科学院武汉岩土力学研究所 | Method for detecting pollutants generated by leakage of leachate in landfill and repairing polluted soil |
| CN103934262A (en) * | 2014-05-14 | 2014-07-23 | 中国环境科学研究院 | Method for reducing volatile organic contaminant residue in soil in mechanical ventilation repair process |
Non-Patent Citations (2)
| Title |
|---|
| 合肥滨湖新区地下水环境特征及硝酸盐去除实验研究;夏琼;《中国优秀硕士学位论文权威数据库 工程科技Ⅰ辑》;20081115;第B027-165页 * |
| 膜界面探测器在工业污染场地调查中的应用;朱苓;《环境监测管理与技术》;20150225;第27卷(第1期);第27-31页 * |
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