CN113313399A - Underground water pollution tracing method based on characteristic pollutant source analysis - Google Patents
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Abstract
The invention discloses a groundwater pollution tracing method based on characteristic pollutant source analysis, which relates to the technical field of groundwater treatment and comprises the following steps: collecting related data of a region to be traced, establishing an enterprise characteristic pollutant library, determining a sampling scheme and analyzing results. According to the invention, through establishing the characteristic pollutant library for the enterprises in the area, when the sampling analysis results are matched, the pollution source can be found more accurately, so that delay of pollution treatment work is avoided, through respectively distributing a plurality of enterprises in the area to a plurality of straight lines, and then sequentially determining the monitoring point positions of the enterprises distributed on the plurality of straight lines by using the dichotomy, the labor intensity of sampling can be reduced, and when the sampling analysis results are compared with the characteristic pollutant library, the comparison efficiency can be effectively improved, and further the tracing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of underground water treatment, in particular to an underground water pollution tracing method based on characteristic pollutant source analysis.
Background
The problem of illegal steal and drainage of the overproof sewage is serious in China, and serious pollution and damage are caused to a water system and the ecological environment. Strengthening effective supervision on the phenomenon of excessive sewage stealing and draining, tracing the source of pollutants and tracing the responsibility are very difficult tasks. The method is an indispensable link for examining and tracing the pollution source. Only if pollution tracing is well realized, the pollution source can be cut off in time, and the pollution condition is prevented from further worsening; only if pollution tracing is well realized, the responsibility of the pollution discharge enterprise can be determined, the pollution discharge enterprise can be better supervised, and the water body pollution caused by the illegal discharge of the pollution discharge enterprise again can be prevented.
However, at present, the existing tracing method for groundwater pollution mainly collects polluted downstream water samples and water samples of sewage outlets of upstream pollution-related enterprises after an accident occurs, detects and analyzes the water samples, analyzes and compares detection results to realize the inspection and tracing of pollution sources and find out the responsible party of illegal sewage discharge, but if more upstream pollution-related enterprises exist, the method is wide in doubtful range, cannot find out pollution sources in time, has poor tracing accuracy, and is easy to delay pollution control work. Therefore, it is necessary to invent a groundwater pollution tracing method based on characteristic pollutant source analysis to solve the above problems.
Disclosure of Invention
The invention aims to provide a groundwater pollution tracing method based on characteristic pollutant source analysis, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a groundwater pollution tracing method based on characteristic pollutant source analysis comprises the following steps:
the method comprises the following steps: collecting related data of the area to be traced: including but not limited to regional location, weather, hydrogeology, enterprise distribution, enterprise review, regional groundwater monitoring well distribution and regional groundwater environmental quality status;
step two: establishing an enterprise characteristic pollutant library: managing the collected information in a database mode to form a chemical fingerprint information database of the environmental quality of the regional underground water;
step three: determining a sampling scheme: determining monitoring point positions, determining monitoring indexes and sampling times;
step four: and (4) analyzing results: and according to the sampling analysis result, matching analysis is carried out on the result by combining the regional underground water flow field, the enterprise distribution condition, the enterprise plant area arrangement condition and the enterprise characteristic pollutant library.
Preferably, in the first step, the position of the area to be traced is determined based on a satellite map, the enterprise distribution position in the area to be traced is mapped and labeled in the area range to be traced, the current meteorological condition and the historical meteorological condition information of the current area are collected by combining a meteorological monitoring station, the current hydrogeological environment and the historical hydrogeological environment information in the current area are collected by combining a hydrogeological environment research institute, the historical assessment information of the enterprise in the current area is collected by combining an environmental protection bureau, the distribution situation of the groundwater monitoring wells and the current situation of the groundwater environment quality are collected by combining a groundwater monitoring management department, and the distribution position of the groundwater monitoring wells and the distribution position of the enterprise are drawn on the same map.
Preferably, the enterprise-specific pollutants in the second step are classified according to the industry to which the enterprise in the current area belongs, and the classification includes:
(1) characteristic pollution factors of papermaking industry:
waste water: AOX can adsorb organic halides;
(2) characteristic pollution factors of chemical and petrochemical industries:
waste water: benzene series, sulfide, cyanide and volatile phenol;
(3) pollution factor in steel manufacturing and processing industry:
waste water: washing wastewater, slag flushing wastewater, phenol-cyanogen wastewater, hot rolling wastewater, oil-containing wastewater, acid-alkali-containing wastewater and chromic acid passivation process to generate chromium-containing wastewater;
waste residues: blast furnace slag, steel slag, waste slag and waste chromic acid liquid generated in the coal gas purification process, and waste oil and sludge generated in the wastewater treatment process;
(4) characteristic pollution factor of cement manufacturing and processing industry:
waste water: cooling water and domestic sewage;
solid waste: domestic garbage;
(5) characteristic pollution factors of electronic and electromechanical industries:
waste water: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, AOX, heavy metals, CN-, S2-and greasy dirt;
(6) the characteristic pollution factor of the thermal power plant industry is as follows:
waste water: warm drainage water, acid and alkali wastewater, oily wastewater, coal conveying system flushing water, boiler pickling wastewater and cooling tower sewage;
(7) characteristic pollution factor of real estate industry:
waste water: SS, BOD, COD, animal and vegetable oil and ammonia nitrogen;
(8) hazardous waste incineration disposal project characteristic pollution factor:
waste water: PH, CODcr, BOD, NH3-N, total residual chlorine, total phosphorus, fluoride, volatile phenol, cyanide, petroleum, heavy metal, benzene series and faecal coliform bacteria.
Preferably, the monitoring point locations in the third step are determined according to the map of the distribution locations of the enterprises and the distribution locations of the underground water monitoring wells drawn in the first step, a plurality of enterprises in the map are distributed on a plurality of straight lines respectively, and then the monitoring point locations of the enterprises distributed on the plurality of straight lines are determined in sequence by using a bisection method; then, determining monitoring indexes and sampling times according to whether a plurality of enterprises on the same straight line have the same characteristic pollutants:
a. when a plurality of enterprises in the same straight line have pollutants with the same characteristics, firstly sampling the pollutants with the same characteristics, and then sampling different pollutants with different characteristics in the plurality of enterprises for one time;
b. when a plurality of enterprises on the same straight line have no pollution with the same characteristics, only once sampling is carried out on the pollutants with different characteristics in the enterprises.
Preferably, the specific matching analysis method of the sampling analysis result and the enterprise characteristic pollutant library in the fourth step is as follows: and determining which straight line of the drawn map the multiple pollutants contained in the sampling analysis result are located on, indicating that the pollution source comes from a certain enterprise on the straight line, classifying and dividing the multiple enterprises on the straight line, determining different characteristic pollutants of each enterprise on the straight line, and comparing the multiple pollutants in the sampling analysis result with the characteristic pollutants of each enterprise on the straight line to find the pollution source.
The invention has the technical effects and advantages that:
1. according to the invention, by establishing the characteristic pollutant library for enterprises in the area, when sampling analysis results are matched, a pollution source can be found more accurately, so that delay of pollution treatment work is avoided;
2. according to the invention, a plurality of enterprises in the area are respectively distributed on a plurality of straight lines, and then the monitoring point positions of the enterprises distributed on the plurality of straight lines are sequentially determined by using the dichotomy, so that the labor intensity of sampling can be reduced, and when the sampling analysis result is compared with the characteristic pollutant library, the comparison efficiency can be effectively improved, and further the traceability efficiency is improved;
3. according to the method, enterprises in the area and the underground water monitoring wells are drawn on the same map, so that the monitoring point positions can be determined more visually, and meanwhile, the monitoring indexes are convenient to select.
Drawings
FIG. 1 is a schematic illustration of the area mapping of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a groundwater pollution tracing method based on characteristic pollutant source analysis, which comprises the following steps of:
the method comprises the following steps: collecting related data of the area to be traced: including but not limited to regional location, weather, hydrogeology, enterprise distribution, enterprise environmental assessment, regional groundwater monitoring well distribution and regional groundwater environmental quality status, the method comprises the steps of firstly determining the location of a region to be traced based on a satellite map, mapping and marking the enterprise distribution location in the region to be traced, collecting the current weather condition and historical weather condition information of the current region by combining a weather monitoring station, collecting the current hydrogeology environment and historical hydrogeology environmental information in the current region by combining a hydrogeology environmental research institute, collecting the historical environmental assessment information of the enterprise in the current region by combining an environmental protection bureau, collecting the groundwater monitoring well distribution and groundwater environmental quality status in the current region by combining a groundwater monitoring management department, drawing the distribution position of the underground water monitoring well and the distribution position of the enterprise on the same map;
step two: establishing an enterprise characteristic pollutant library: managing the collected information in a database mode to form a chemical fingerprint information database of the regional underground water environmental quality, and classifying the enterprise characteristic pollutants according to the industry to which the enterprise in the current region belongs, wherein the chemical fingerprint information database comprises the following steps:
(1) characteristic pollution factors of papermaking industry:
waste water: AOX can adsorb organic halides;
(2) characteristic pollution factors of chemical and petrochemical industries:
waste water: benzene series, sulfide, cyanide and volatile phenol;
(3) pollution factor in steel manufacturing and processing industry:
waste water: washing wastewater, slag flushing wastewater, phenol-cyanogen wastewater (phenol-cyanogen wastewater contains phenol, CN-, S, COD, NH3-N, tar, BaP and the like), hot rolling wastewater (hot rolling wastewater comprises cooling wastewater, high-pressure dephosphorization wastewater and rolled material cooling water), oily wastewater, acid-alkali-containing wastewater and chromic acid passivation process to generate chromium-containing wastewater;
waste residues: blast furnace slag, steel slag, waste slag generated in a coal gas purification process (such as tar slag, asphalt slag, washing oil regeneration slag and desulfurization waste liquid), waste chromic acid liquid, and waste oil and sludge generated in wastewater treatment;
(4) characteristic pollution factor of cement manufacturing and processing industry:
waste water: cooling water and domestic sewage;
solid waste: domestic garbage;
(5) characteristic pollution factors of electronic and electromechanical industries:
waste water: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (i.e., PBBs), AOX, heavy metals (e.g., chromium, mercury, lead, cadmium, copper, nickel, iron, cobalt), CN-, S2-, and greasy soils;
(6) the characteristic pollution factor of the thermal power plant industry is as follows:
waste water: warm drainage water, acid and alkali wastewater, oily wastewater, coal conveying system flushing water, boiler pickling wastewater and cooling tower sewage;
(7) characteristic pollution factor of real estate industry:
waste water: SS, BOD, COD, animal and vegetable oil and ammonia nitrogen;
(8) hazardous waste incineration disposal project characteristic pollution factor:
waste water: PH, CODcr, BOD, NH3-N, total residual chlorine, total phosphorus, fluoride, volatile phenol, cyanide, petroleum, heavy metal, benzene series and faecal coliform;
step three: determining a sampling scheme: determining monitoring point positions, determining monitoring indexes and sampling times, wherein a plurality of enterprises in the map are distributed on a plurality of straight lines respectively according to the enterprise distribution position and underground water monitoring well distribution position map drawn in the step one, and then the monitoring point positions of the enterprises distributed on the plurality of straight lines are determined in sequence by using a bisection method; then, determining monitoring indexes and sampling times according to whether a plurality of enterprises on the same straight line have the same characteristic pollutants:
a. when a plurality of enterprises in the same straight line have pollutants with the same characteristics, firstly sampling the pollutants with the same characteristics, and then sampling different pollutants with different characteristics in the plurality of enterprises for one time;
b. when a plurality of enterprises on the same straight line have no pollution with the same characteristics, only once sampling is carried out on the pollutants with different characteristics in the enterprises;
step four: and (4) analyzing results: according to the sampling analysis result, the result is matched and analyzed by combining the regional underground water flow field, the enterprise distribution condition, the enterprise plant area arrangement condition and the enterprise characteristic pollutant library, and the specific matching analysis method of the sampling analysis result and the enterprise characteristic pollutant library comprises the following steps: and determining which straight line of the drawn map the multiple pollutants contained in the sampling analysis result are located on, indicating that the pollution source comes from a certain enterprise on the straight line, classifying and dividing the multiple enterprises on the straight line, determining different characteristic pollutants of each enterprise on the straight line, and comparing the multiple pollutants in the sampling analysis result with the characteristic pollutants of each enterprise on the straight line to find the pollution source.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A groundwater pollution tracing method based on characteristic pollutant source analysis is characterized by comprising the following steps:
the method comprises the following steps: collecting related data of the area to be traced: including but not limited to regional location, weather, hydrogeology, enterprise distribution, enterprise review, regional groundwater monitoring well distribution and regional groundwater environmental quality status;
step two: establishing an enterprise characteristic pollutant library: managing the collected information in a database mode to form a chemical fingerprint information database of the environmental quality of the regional underground water;
step three: determining a sampling scheme: determining monitoring point positions, determining monitoring indexes and sampling times;
step four: and (4) analyzing results: and according to the sampling analysis result, matching analysis is carried out on the result by combining the regional underground water flow field, the enterprise distribution condition, the enterprise plant area arrangement condition and the enterprise characteristic pollutant library.
2. The underground water pollution tracing method based on characteristic pollutant source analysis according to claim 1, characterized in that: firstly, determining the position of a region to be traced based on a satellite map, mapping and marking the enterprise distribution position in the region to be traced, collecting the current meteorological condition and historical meteorological condition information of the current region in combination with a meteorological monitoring station, collecting the current hydrogeological environment and historical hydrogeological environment information of the current region in combination with a hydrogeological environment research institute, collecting the historical assessment information of enterprises in the current region in combination with an environmental protection bureau, collecting the distribution condition of a groundwater monitoring well and the current situation of groundwater environment quality in the current region in combination with a groundwater monitoring management department, and mapping the distribution position of the groundwater monitoring well and the enterprise distribution position on the same map.
3. The underground water pollution tracing method based on characteristic pollutant source analysis according to claim 1, characterized in that: in the second step, the enterprise characteristic pollutants are classified according to the industry to which the enterprise in the current area belongs, and the classification comprises the following steps:
(1) characteristic pollution factors of papermaking industry:
waste water: AOX can adsorb organic halides;
(2) characteristic pollution factors of chemical and petrochemical industries:
waste water: benzene series, sulfide, cyanide and volatile phenol;
(3) pollution factor in steel manufacturing and processing industry:
waste water: washing wastewater, slag flushing wastewater, phenol-cyanogen wastewater, hot rolling wastewater, oil-containing wastewater, acid-alkali-containing wastewater and chromic acid passivation process to generate chromium-containing wastewater;
waste residues: blast furnace slag, steel slag, waste slag and waste chromic acid liquid generated in the coal gas purification process, and waste oil and sludge generated in the wastewater treatment process;
(4) characteristic pollution factor of cement manufacturing and processing industry:
waste water: cooling water and domestic sewage;
solid waste: domestic garbage;
(5) characteristic pollution factors of electronic and electromechanical industries:
waste water: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, AOX, heavy metals, CN-, S2-and greasy dirt;
(6) the characteristic pollution factor of the thermal power plant industry is as follows:
waste water: warm drainage water, acid and alkali wastewater, oily wastewater, coal conveying system flushing water, boiler pickling wastewater and cooling tower sewage;
(7) characteristic pollution factor of real estate industry:
waste water: SS, BOD, COD, animal and vegetable oil and ammonia nitrogen;
(8) hazardous waste incineration disposal project characteristic pollution factor:
waste water: PH, CODcr, BOD, NH3-N, total residual chlorine, total phosphorus, fluoride, volatile phenol, cyanide, petroleum, heavy metal, benzene series and faecal coliform bacteria.
4. The underground water pollution tracing method based on characteristic pollutant source analysis according to claim 1, characterized in that: determining the monitoring point locations in the third step according to the map of the distribution locations of the enterprises and the distribution locations of the underground water monitoring wells drawn in the first step, distributing a plurality of enterprises in the map on a plurality of straight lines respectively, and then determining the monitoring point locations of the enterprises distributed on the plurality of straight lines in sequence by using a dichotomy; then, determining monitoring indexes and sampling times according to whether a plurality of enterprises on the same straight line have the same characteristic pollutants:
a. when a plurality of enterprises in the same straight line have pollutants with the same characteristics, firstly sampling the pollutants with the same characteristics, and then sampling different pollutants with different characteristics in the plurality of enterprises for one time;
b. when a plurality of enterprises on the same straight line have no pollution with the same characteristics, only once sampling is carried out on the pollutants with different characteristics in the enterprises.
5. The underground water pollution tracing method based on characteristic pollutant source analysis according to claim 1, characterized in that: the specific matching analysis method of the sampling analysis result and the enterprise characteristic pollutant library in the fourth step comprises the following steps: and determining which straight line of the drawn map the multiple pollutants contained in the sampling analysis result are located on, indicating that the pollution source comes from a certain enterprise on the straight line, classifying and dividing the multiple enterprises on the straight line, determining different characteristic pollutants of each enterprise on the straight line, and comparing the multiple pollutants in the sampling analysis result with the characteristic pollutants of each enterprise on the straight line to find the pollution source.
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Cited By (3)
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|---|---|---|---|---|
| CN114384037A (en) * | 2021-12-03 | 2022-04-22 | 中国水产科学研究院南海水产研究所 | Plastic grading acquisition system based on big data and acquisition method thereof |
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| CN115392939A (en) * | 2022-10-28 | 2022-11-25 | 中国环境科学研究院 | Hazardous waste tracing method based on retrieval contrast and matching degree calculation |
| CN115392939B (en) * | 2022-10-28 | 2023-01-17 | 中国环境科学研究院 | Hazardous waste tracing method based on retrieval comparison and matching degree calculation |
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