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A traceability system and application of atmospheric odor pollution

A technology of odor pollution and pollution sources, which is applied in the field of odor pollution traceability systems, can solve the problems of air pollution traceability that has not been found and used, does not consider the size of pollutant gas, and traceability results are not actual, so as to reduce odor complaints and improve ambient air quality , the effect of overcoming technical defects

Active Publication Date: 2022-02-08
天津市生态环境科学研究院(天津市环境规划院 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fingerprint technology has been widely used in the fields of chemistry and traditional Chinese medicine in recent years, but it has not been found to be used in the traceability of air pollution, especially the traceability of atmospheric odor pollution.
Different from general air pollutants, odor pollution has the characteristics that can be perceived by the human body. The traceability of odor pollution pays more attention to the odor pollutants that can be perceived by human olfactory organs and have a strong smell. The main problem of applying fingerprint technology to trace the source of odor pollution is ① Lack of information management of odor pollutant emissions from pollution sources and environmental odor pollution events; ② Substances screened during the establishment of fingerprints are not representative; ③ The size of pollutant gases is not considered in the similarity analysis of fingerprints, resulting in unrealistic traceability results sources of odor pollution

Method used

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  • A traceability system and application of atmospheric odor pollution
  • A traceability system and application of atmospheric odor pollution
  • A traceability system and application of atmospheric odor pollution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] An atmospheric odor pollution traceability system, characterized in that the system includes an information management system, a fingerprint system, a traceability model system, and a result display system; wherein the information management system performs input, storage, modification and display of pollution source emissions and environmental odor gas information ; The fingerprint system screens fingerprints, establishes and displays odor fingerprints; the traceability model system calculates the similarity coefficient of odor fingerprints; the result display system displays traceability results on lists and GIS maps;

[0030] 1. The information management system includes:

[0031] (1) Pollution source information management: By collecting typical odorous gas samples discharged from various pollution sources, including exhaust outlet samples of pollution sources and fugitive emission samples, qualitative and quantitative analysis is carried out by chromatography or chr...

Embodiment 2

[0046] A method for traceability of odor pollution based on odor fingerprints, the specific implementation steps are as follows:

[0047] A. Identify suspected sources of contamination

[0048] According to the odor complaints (including the time of complaint occurrence, odor quality, odor intensity, odor frequency, and duration), screen suspected odor pollution sources around the complaint point.

[0049] B. Sampling and Analysis of Pollution Source Emissions

[0050] According to the production process, production rules, emission characteristics and other information of pollution sources, collect typical odorous gas samples (including exhaust outlet samples of pollution sources and fugitive emission samples) emitted by various pollution sources, and use chromatography or chromatography-mass spectrometry for qualitative and quantitative analysis Analyze, obtain the material composition and material concentration of the pollution source gas sample, and enter it into the datab...

Embodiment 3

[0070] In this example, residents of a residential area in Longgang District, Shenzhen often complained about the bad smell of surrounding factories and disturbed residents. The environmental management department found through investigation that there are many factories emitting odorous gases around the residential area. Factories blame each other, so the environmental management department cannot determine which factory the odor pollution comes from through manual investigation. The atmospheric odor pollution traceability system constructed by the present invention helps the environmental management department identify the source of pollution causing the odor pollution in the community, and traces the source according to the following steps:

[0071] A. According to the complaints of residents in the community, 7 factories were screened out as the suspected odor pollution sources; according to the investigation of the factories, the gas emitted from the exhaust pipes of the f...

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Abstract

The invention relates to an atmospheric odor pollution traceability system based on odor fingerprints and similarity analysis. It includes an information management system, a fingerprint system, a traceability model system and a result display system, and its steps include: pollution source information management; odor pollution information management; construction of odor fingerprints; traceability model system calculation similarity; traceability result display. The system of the present invention collects and stores data related to pollution source emissions and environmental odor gases through the information management system, constructs the odor fingerprints of the environment and pollution sources through the fingerprint system, and calculates the odor fingerprints of the environment and pollution sources based on the traceability model system based on the angle cosine method Similarity coefficient, the system displays the similarity of the fingerprints of the environment and pollution sources, so as to judge the possible sources of odor pollution, realize the accurate identification of odor pollution sources, solve the problem of odor pollution traceability, overcome the technical defects of odor pollution complaint management, and improve The effectiveness and authority of the environmental management department's odor pollution supervision and law enforcement.

Description

technical field [0001] The invention belongs to the technical field of odor pollution traceability, and in particular relates to an odor pollution traceability system based on odor fingerprints and graph similarity analysis. Background technique [0002] With the rapid development of my country's social economy, people's awareness of environmental protection and the requirements for the living environment are getting higher and higher. As a kind of pollution that disturbs the people and endangers human health, stench (odor) has become the most intense environmental problem complained by urban residents in our country. one. Odor pollution complaints in Shanghai, Shenzhen, Guangzhou, Tianjin and other cities account for more than 30% of environmental complaints, and the proportion of complaints near industrial zones can even reach 90%. Odor pollution has increasingly become a serious environmental and social problem. Due to its wide range of sources and complex components, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02G01N30/72G01N30/88
CPCG01N30/02G01N30/72G01N30/88G01N2030/8809
Inventor 荆博宇王亘韩萌翟增秀邹克华耿静李伟芳孟洁商细彬
Owner 天津市生态环境科学研究院(天津市环境规划院