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Analysis method for fine particulate matters in low-temperature environment of Northern China

A technology of fine particles and analysis methods, applied in particle suspension analysis, analysis of materials, suspensions and porous materials, etc., to achieve high analysis accuracy, reliable prediction results, and improve air quality.

Active Publication Date: 2018-07-24
南京滴海信息技术有限公司
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Problems solved by technology

However, most of the studies on carbon components in atmospheric particulates in my country are concentrated in the Beijing-Tianjin region and southern cities, such as Guangzhou, Shanghai, Wuhan, Sichuan, Chongqing, etc., but there are few reports on the carbon components in urban particulates in Northeast China.

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  • Analysis method for fine particulate matters in low-temperature environment of Northern China
  • Analysis method for fine particulate matters in low-temperature environment of Northern China
  • Analysis method for fine particulate matters in low-temperature environment of Northern China

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Embodiment Construction

[0043] Take a town in a northern city as an example, with an area of ​​118 square kilometers and an average altitude of 243 meters. The average daily minimum temperature in winter is -11°C; the average daily minimum temperature in autumn is 12°C, and the average daily minimum temperature in spring is -4°C.

[0044] 1. Sampling point layout

[0045] In the analysis area, the sampling sites are selected according to the grid method, and 25 sampling points are selected in the entire area, and the numbers are respectively located at A 1 、A 2 ,...A 25 , where A 5n+1 (n=0, 1, 2, 3, 4) is the ground base point, which is set at 20cm above the ground at the intersection point of the grid, and the rest A 5n+2 、A 5n+3 、A 5n+4 、A 5n+5 The four sampling points are set differently according to the altitude, and are respectively set at s+80cm, s+260cm, s+720cm, s+1450cm above the respective ground base points, among which h n It is the altitude value at the base point of the ground,...

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Abstract

The invention relates to an analysis method for fine particulate matters in a low-temperature environment of Northern China and especially develops the analysis method for the fine particulate mattersin the low-temperature environment of Northern China by analyzing generation reasons of PM2.5 (Particulate Matter 2.5) according to pollution sources of carbon components in winter, aiming at environment air conditions of the Northern China in winter. The analysis method aims at providing technical helps for improving the air quality of Northern China and controlling haze pollution, and specifically comprises five steps of arranging sampling points, selecting a collection date and collection time, selecting parameters of a sampling device, separating PM2.5 components and carrying out tracinganalysis. The method provided by the invention has better locality, high analysis accuracy and a reliable predication result and can provide technical services for improving the air quality of Northern cities of China and controlling the haze pollution, and provides reference for formulation of urban environmental management policies and air pollution control strategies.

Description

technical field [0001] The invention relates to the technical field of air pollution and control, in particular to a method for analyzing fine particles in a low-temperature environment in northern China. It can help analyze the source of carbonaceous aerosols in fine particulate matter in the air, and provide an effective way to understand and control smog. Background technique [0002] In recent years, smog has occurred frequently in various parts of my country, and atmospheric fine particulate matter (PM 2.5 ) has become the primary pollutant in haze weather. Carbon component is PM 2.5 One of the important components of air, not only affects the global climate and visibility, but also affects human health. However, most of the studies on carbon components in atmospheric particulates in my country are concentrated in the Beijing-Tianjin region and southern cities, such as Guangzhou, Shanghai, Wuhan, Sichuan, Chongqing, etc., but there are few reports on the carbon compo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06
CPCG01N15/0618
Inventor 于鹏飞施恩唐玉兰
Owner 南京滴海信息技术有限公司
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