CN103455720A - Water production and supply industry environment risk source evaluating method - Google Patents
Water production and supply industry environment risk source evaluating method Download PDFInfo
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Abstract
The invention discloses a water production and supply industry environment risk source evaluating method, which comprises the following steps: (1) selecting water production and supply industry environment risk factors including dangerous substance environmental risks, equipment and facility environmental risks and enterprise environment management risks, and computing to determine the risk value of each risk factor; (2) directly adding the risk values of the risk factors to obtain the risk value of risk sources, wherein the computing model is I=M+F+G; (3) grading the risk sources according to the risk values of the risk sources as required, and correspondingly managing the different risk grades. According to the method disclosed by the invention, dangerous substances and dangerous devices in an enterprise representing the risk levels and enterprise environment management risk level information are mainly extracted, M, F and G are used as independent variables in environment risk evaluation to establish an evaluation function, and the method has the advantages of strong adaptability, dynamic change and high accuracy.
Description
Technical field
The invention belongs to environmental risk impact evaluation technical field, be specifically related to a kind of production and supply industry environment risk source evaluation method of water.
Background technology
The processing that the production and supply industry of water comprises production and supply, wastewater treatment and regeneration from water, other water with utilize the sub-industry such as distribution.Wastewater treatment and regeneration industry (sewage treatment plant) are the pollutant facility for the central disposal, because a large amount of industrial sewages, sanitary sewage enter sewage treatment plant, there are the conventional pollutant such as SS, CODcr, BOD and eutrophy class material (N, P), persistent pollutant (organochlorine insecticide, polychlorinated biphenyl etc.) and heavy metal class material (lead, zinc, chromium, mercury etc.) in sewage.The dump that the main environmental risk of sewage treatment plant is sewage and large amount of sewage concentrate discharge unit heavy metal, persistence organic pollutant to accumulate the water quality deterioration caused after treatment in water body.In addition, there is the plurality of heavy metal pollutant in sludge sewage, belong to hazardous waste.The production of water and industrial industry exist outburst surroundings risk and accumulation environmental risk, the pollutant accumulation that the latter causes while referring to containing the processing water outlet of the materials such as nutritious class material, persistence organic pollutant and heavy metal for a long time to peripheral water body discharge, and then the decline of initiation Water quality, the Environment Pollution Events such as body eutrophication.Only have science identification to cause the risk sources of water environment, and then effectively manage, be only the optimal path that environmental hazard occurs and reduces the prevention Environment Pollution Event.
At present, about the production and supply industry environment risk source evaluation method of water, we find following pertinent literature:
1. application number: 201310104233.1, denomination of invention: a kind of city water source reservoir risk source appraisal procedure, the method is according to the risk source classification of city water source reservoir, analyze principal risk source and principal risk event, the extent of injury and coverage when the probability of happening by the maximum credible risk of Analysis deterrmination, simulation and forecast risk accidents, according to above-mentioned risk source assessment indicator system and weight thereof, draw the risk source result.Finally, according to value-at-risk, determine the risk inventory of water head site.
2. application number: 201110046719.5, denomination of invention: the unexpected environmental pollution accident risks diagnosis in a kind of potable water seedbed and stage division, the method step comprises: the surface analysis of potable water seedbed environmental risk investigation; The identification of Potential environmental risk source; Environment risk source postsearch screening based on hazard area; The identification of environment risk source harm consequence, assess potential risk resource to society and the direct harm of living and causing; The stack of risk source summation harm value-at-risk; Water head site outburst surroundings pollution risk grade classification.This invention has not only completed the diagnosis of potable water seedbed burst pollution risk, investigation and identification to environment risk source in water head site have also been completed, solved in the past that risk source is concrete, the harm process is fuzzy, low the caused water head site risk class offset issue of assessment accuracy, for assessing rapidly and accurately potable water seedbed burst accident environmental risk, the normalization management that realizes risk source provides a kind of stage division of complete, system.
3. application number: 201210213019.5, denomination of invention: refuse landfill polluted underground water methods of risk assessment and system, the method is mainly to gather the dangerous parameter of landfill yard, aeration zone soil resistance parameter, water-bearing zone soiling tendency parameter, evaluation object exposure property parameter and the horizontal parameter of underground water value; According to parameter weight and parameter expert score value, calculate the weight of evaluation index with analytical hierarchy process, and the weight of evaluation index and parameter expert score value are obtained to landfill yard polluted underground water risk comprehensive assessment result by the composite index law mathematical theory; Send multistage early warning in conjunction with landfill yard polluted underground water risk comprehensive assessment result, propose in the landfill yard management to need to improve and strengthen the measure of monitoring.
4. application number: 201210559062.7, denomination of invention: a kind of rural activity district underground water risk stratification subregion evaluation method, the index system judged by setting up a set of use, method with spatial discretization is arranged sampled point, gather the underground water water sample, and according to primary election index Feature Selection index, the weight by calculating each index and the degree of membership of each sampled point index, the local ground watering pollution risk is made to comprehensive evaluation, and the underground water risk is carried out to subregion and classification.This invention, for China's rural activity district features of pollution, has stronger adaptability and generalization, can science, reasonably underground water risk class and the risk distribution in rural activity district are made to assessment.
But these evaluation methods are too disperseed, can not systematization, each overall situation influence factor is considered evaluation in standardization, the scientific industry of the production and supply to water, evaluation method is too simple, has certain error leak.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, a kind of production and supply industry environment risk source evaluation method of water is provided, this method has mainly been extracted dangerous substance in the enterprise that characterizes its risk level, hazardous device and enterprise Environmental Management risk level information, take M, F, G as independent variable builds evaluation function in environmental risk assessment, there is strong adaptability, dynamic change, pin-point accuracy.
To achieve these goals, the present invention is achieved by the following technical solutions:
A kind of production and supply industry environment risk source evaluation method of water, comprise the steps:
(1) select the production and supply industry environmental risk factor of water, comprising: dangerous substance environmental risk, installations and facilities environmental risk and enterprise Environmental Management risk, and the value-at-risk of each risk factors of calculative determination;
(2) the direct stack of the value-at-risk of each risk factors is obtained to the value-at-risk of this risk source, computation model is:
I=M+F+G
In formula: I---the production and supply industry total environment value-at-risk of water;
M---dangerous substance environmental risk value;
F---installations and facilities environmental risk value, scope is 0-100;
G---enterprise Environmental Management value-at-risk, dimensionless, span 0-100;
(3) according to the value-at-risk of risk source by risk source divided rank as required, and different risk class is carried out to corresponding management.
As further illustrating, the summation that the above dangerous substance environmental risk value is water body environment value-at-risk and active sludge value-at-risk, computation model is:
M＝M
w+M
s
In formula: M
w---the water body environment value-at-risk;
M
s---the active sludge value-at-risk.
As further illustrating, the computation model of the above water body environment value-at-risk is:
In formula: n
1---water body environment pollution species number;
C
i---the concentration of i pollutant in water body environment, unit is mg/L;
C
0---the normal concentration of this pollutant in i pollutant discharge water body function zoning in water body environment, unit is mg/L;
The above water body environment pollution species has several combination arbitrarily in solid pollutant, biological pollutant, aerobic and organic pollution, richness in nutrition pollutant, sense organ pollutant, acid-alkali salt pollutant, toxic pollutant, oil pollutant and thermal pollution thing.
1. solid pollutant
Solid matter has three kinds to have form in water: solubilised state, colloidal attitude, suspended state.In water analysis, the method of the membrane filtration of certain pore size commonly used is divided into two parts by solia particle: by the suspended solid of membrane retention (SS-Suspended Solids) with see through the soluble solid (DS-Dissolved Solids) of filter membrane, the two is collectively referred to as total solid (TS-Total Solids).At this moment, a part of colloid is included in suspension, and another part is included in soluble solid.
Suspension can silt river course up after depositing in water body, and the benthic breeding of harm water body, affect fish production.During irrigation, suspension can block the hole of soil, is unfavorable for plant growth.The existence of a large amount of suspensions, also disturb the work of wastewater treatment and reclaimer.In wastewater treatment, usually adopt the methods such as sieving, precipitation to make suspension separate with waste water and remove.
Soluble solid in water is mainly salt, also comprises the pollutant of other dissolving.The waste water that salt content is high, have harmful effect to agricultural and fish production.
2. biological pollutant
Biological pollutant means pathogenic microorganisms and other the harmful biosome in waste water.Mainly comprise the various pathogens such as virus, germ, parasitic ovum.In addition, if when in waste water, growth has iron bacteria, sulphur bacterium, algae, pasture and water and shellfish, can blocking pipe, corroding metal and worsen water quality, also belong to biological pollutant.
Biological pollutant is mainly from aspects such as urban domestic wastewater, hospital wastewater, rubbish and surface runoffs.The water contamination hazard history of pathogenic microorganism at most, is still the important water pollution type of harm humans health and lives so far.Clean natural water is generally seldom containing bacterium, pathogenic microorganism just still less, be subject to the water body after microbiological contamination, microorganism increases sharply, wherein many is pathogenic bacteria, sick worm's ovum and virus, they often coexist with other bacteriums and Escherichia coli, so the indirect indexes that regulation is microbiological contamination with total number of bacteria and bacterium index usually.
The characteristics of pathogenic microorganism are: quantity is large, it is wide to distribute, the time-to-live is long, reproduction speed very soon, easily develop immunity to drugs, be difficult to eliminate.Therefore, in fact this pollutant advances people's human body by number of ways, and existence in vivo, once condition is applicable to, will cause human body diseases.
3. aerobic and organic pollution
Can consume the material of oxygen in water by biological chemistry and chemical action in waste water, be referred to as aerobic pollution.Most aerobic pollutions are organism, and inorganics mainly contains Fe, Fe2+, S2-, SO32-, CN-etc., only account for the seldom part of amount.Thereby, in water pollution control ,-as in situation aerobic thing refer to organism.
Organism in natural water refers generally to natural humic substance and hydrobiological vital movement product.In the industrial waste waters such as sanitary wastewater, food processing and papermaking, contain a large amount of organism, as carbohydrates, protein, grease, lignin, cellulose etc.Organic common feature is after these materials directly enter water body, biological chemistry action by microorganism is decomposed into simple dead matter-carbon dioxide and water, need to consume the dissolved oxygen DO in water in decomposable process, and pollutant the corruption decomposition just occurs, worsens water quality under anoxia condition, therefore normal these organism of title are aerobic organism.In water body, aerobic organism is more, and oxygen consumption is also more, and water quality is also poorer, illustrates that water pollution is more serious.In a given water body, large amount of organic mass-energy causes the approximate of oxygen to consume completely, the aerobic biology for those clearly, it is impossible surviving, fish and animal plankton will often appear in sanitary wastewater and part industrial waste water by dead aerobic organism under this environment, as organic synthesis material, organic acids and base, grease class, macromolecular compound, surfactant, sanitary wastewater etc.Its source is many, and discharge capacity is large, so pollution range is wide.
4. richness is sought the contact scar thing
Nutrient pollutant refers to the material that can cause body eutrophication, mainly refers to the elements such as nitrogen, phosphorus, and other still have potassium, sulphur etc.In addition, the organism of bio-degradable, vitamin substances, thermal pollution etc. also can trigger or promote the eutrophication process.
From the angle of crop growth, plant nutrient is valuable material, but too much nutriment advances the naive water body, will make water quality deterioration, affect the development of fishery and be detrimental to health.In general, in water, the concentration of nitrogen and phosphorus surpasses respectively 0.2 and 0.02mg/L, can impel the green plants amount reproductions such as algae, assembles in the waters of flowing slowly and forms large stretch of wawter bloom (in lake, reservoir) or red tide (in ocean); And the death of algae and corruption can cause and a large amount of minimizings of oxygen in water make water quality deterioration, the hydrobiont death such as fish; When serious, due to silting up of certain plants and remains thereof, can cause lake to be withered away gradually.The trophism of Here it is water body is polluted (claiming again eutrophication).
The source of nutriment in water, mainly from chemical fertilizer.Only some is absorbed by crops to apply the chemical fertilizer in farmland, and all the other overwhelming majority are carried in underground water He He, lake by agricultural drain and rainwash.Secondly, nutrients comes from ight soil and the phosphorus-containing detergent of people, animal, fowl.In addition, all contain the nutrients such as a large amount of nitrogen, phosphorus in the waste water of the discharges such as the dyestuff factory of food factory, printing and dyeing mill, chemical fertilizer factory, wool washing factory, tannery, explosive factory.
5. sense organ pollutant
Can cause the material of the phenomenons such as heterochromatic, muddy, foam, stench in waste water, though, without serious harm, can cause that the extreme on people's sense organ is unhappy, be called as sense organ contact scar thing.For the water body for visit and recreational and sports activities, the harm of sense organ contact scar thing is larger.
Heterochromatic, muddy waste water is mainly derived from printing and dyeing mill, textile mills, paper mill, coke-oven plant, gasworks etc.Stench waste water is mainly derived from refinery, petrochemical plant, rubber plant, pharmaceutical factory, slaughterhouse, Leather Factory.While in waste water, containing surface reactive material, will produce foam in mobile and aeration process, as paper waste, textile waste etc.
In all kinds of water quality standard, the indexs such as colourity, stink, turbidity, floating thing have all been made to corresponding regulation.
6. acid, alkali, saline pollution thing
The soda acid pollutant is mainly brought by soda acid and the acid rain of industrial wastewater discharge.The soda acid pollutant changes the pH value of water body, destroys the nature buffer action, and elimination or anti-bacteria and microbial growth hinder the self-purification of water, make water quality deterioration, soil acidification or salinization of soil.
Various biologies have the pH accommodation of oneself, surpass this scope, will affect its existence.For fishery water body, the pH value must not be lower than 6 or higher than 9.2, and when the pH value is 5.5, some fish just can not survive or breeding potential descends.The pH value of agricultural irrigation water should be 4.5～8.5.Acid waste water also causes corrosion to metal and concrete material in addition.
Acid often enters same water body with alkali simultaneously, and from pH value angle, sour, alkali pollution is because of the neutralization self-cleaning, but can produce various salts, become again the new pollutant of water body.The increase of inorganic salts can improve the osmotic pressure of water, all influential to limnobios, plant growth.In the salinization of soil area, the salt in the day water, underground water will advance-walk the harm soil quality, and the growth of the water hardness that acid, alkali, salt pollution cause is highly significant under some geologic condition.
7. toxic pollutant
Can cause biology and be called toxic pollutant, referred to as poisonous substance by the material of toxic reaction in waste water.The poisonous chemical of industrial use surpasses 12000 kinds, and every year is with the speed increase of 500 kinds.Poisonous substance can cause biological acute poisoning or slow poisoning, and the size of its toxicity is relevant with factors such as the kind of poisonous substance, concentration, action time, environmental baseline (as temperature, pH value, dissolved oxygen concentration etc.), organic kind and health status.A large amount of noxious materials enter water body, not only jeopardize the hydrobiological existence such as fish, and much Toxic mass-energy shifts step by step in food chain, concentrated, the most laggard everybody body, harm people's health.
Poisonous substance in waste water can be divided into three classes such as inorganic toxic material, organic poison and radiomaterial.
(1) inorganic toxic material: comprise metal and nonmetal two classes.Metallic poison is mainly heavy metal (mercury, cadmium, nickel, zinc, copper, manganese, cobalt, titanium, vanadium etc.) and light metal beryllium.Nonmetal poisons has arsenic, selenium, prussiate, fluoride, sulfide, nitrite etc.Arsenic, selenium are close with heavy metal because of its hazard profile, therefore often it is listed in to the heavy metal category in environmental science.Heavy metal can not be degraded by biology, the most serious when its toxicity exists with ionic state, therefore often be called the heavy metal ion poisonous substance.Heavy metal can be bioaccumulation in body, can is also the material that toxicity is larger (as inorganic mercury is converted into alkyl mercury) by bio-transformation sometimes, is the king-sized first kinds of pollution matter of harm.
(2) organic poison: this class poisonous substance is artificial synthetic organic materials mostly, is difficult to by biochemical degradation, and toxicity is very large.In environmental pollution, significant organic poison comprises organic agricultural chemicals, polychlorinated biphenyl, condensed ring aromatic hydrocarbon, aromatic amine, heterogeneous ring compound, phenols, nitrile etc.Many organic poisons cause people's concern especially because of its " three cause effect " (teratogenesis, mutagenesis, carcinogenic) and cumulative effect.Take organo-chlorine pesticide as example, and at first it has very strong chemical stability, the half life period in physical environment be the more than ten years to decades, secondly they all can, by food chain enrichment in human body, be detrimental to health.As DDT can accumulate in fish tallow, high 12500 times in the comparable water body of concentration.
(3) radiomaterial: radioactivity refers to nuclear decay and discharges the material property of ray, and the radiomaterial in waste water is mainly from production and the use procedure of the radioactive metals such as uranium, radium, as nuclear test, nuclear fuel are processed again, raw material smeltery etc.Its concentration is generally lower, mainly can cause chronic radiation and anaphase effect, as brings out cancer, pregnant woman and baby are produced to damage, causes heredity injury etc.
8. oil pollutant
Oil pollutant comprises mineral oil and vegetable and animals oils.They all are insoluble in water, but the oil slick often fallen apart with rough segmentation in water and finely divided emulsification wet goods form exist.
Oil pollution is one of important kind of water pollution, particularly in river mouth, offshore waters are more outstanding.Mainly that industrial discharge, offshore oil production, the cleaning cabin of oil transportation ship and the outflow of oil carrier mishap etc. cause.Swim in oil on the water surface and form thin film, affect dissolving in of oxygen in atmosphere, thereby affect the existence of fish and the self purification of water body, also disturb the normal operation of some water processing establishment.The grease pollutant can also be attached to soil particle surface and animals and plants body surface, affects the absorption of nutrient and the discharge of refuse.
9. thermal pollution
Wastewater temperature is too high and the harm that causes is called thermal pollution.The main harm of hot thermal pollution have following some:
(1) because water temperature raises, Dissolved Oxygen in Water concentration is reduced, the oxygen in atmosphere also slows down to the speed of water body transmission; In addition, the water temperature rising can cause biological oxygen consumption speed to be accelerated, and impels the dissolved oxygen DO in water body depleted sooner, and water quality worsens rapidly, causes heterochromatic dead because of anoxic with hydrobiont.
(2) water temperature raises and can accelerate algae reproduction, thereby accelerates the body eutrophication process.
(3) water temperature raises and can cause the chemical reaction in water body to be accelerated, and the physicochemical property of water body is changed as ion concentration, conductivity, corrosivity, thereby cause the corrosion of pipeline and container.
(4) water temperature raises and can accelerate the bacterial growth breeding, increases the expense of follow-up water treatment.
As further illustrating, the computation model of the above active sludge value-at-risk is:
In formula: n
2---the pollutant kind number in active sludge;
The generation of P---active sludge, unit is t/d;
The water percentage of w%---active sludge, the integer type numerical value that w is 0-100;
C
si---the concentration value of i pollutant in active sludge, unit is the mg/kg dewatered sludge.
Active sludge is a kind of hazardous waste, and wherein heavy metal substance and pathogen exist accumulation to go back the air intake danger, and therefore the actual content with each contaminant component in active sludge characterizes its risk level.Major pollutants have heavy metal ion (as zinc, copper, nickel, lead, chromium etc.) and some nonmetallic compounds (as phenol, aldehyde, prussiate, sulfide etc.)
As further illustrating, the computation model of the above installations and facilities environmental risk value is:
In formula: f---equipment year failure rate, year number of stoppages<1 o'clock, assignment 0.25; During year number of stoppages 1-3, assignment 0.5; During year number of stoppages 3-5, assignment 0.75; Year number of stoppages>5 o'clock, assignment 1.0;
The actual use case of y---installations and facilities, unit is year;
Y
0---duration of service, unit is year; Y and y
0the ratio dimensionless;
The ruuning situation of C---equipment, wherein stable is 0.5, fluctuation of service is 1;
N
3---the number of installations and facilities, unit is individual;
As further illustrating, the computation model of the above enterprise Environmental Management value-at-risk is:
In formula: g
fp---business equipment, facility maintenance condition conversion factor; All safeguard assignment 0.2 according to installations and facilities, part is safeguarded assignment 0.6, does not substantially safeguard 1.0;
G
e---enterprise's contingency management level;
G
t---the staffs training level; Regularly carry out enterprise's assignment 0.4 of employee's vocational skills and working specification training, do not organize enterprise's assignment 1.0 of staffs training;
G
m---enterprise supervision facility complete degree; It is 0.2 that row's mouthful monitoring and the monitoring of mud component all possess, and possessing one is 0.6, and not possessing is 1;
G
s---the enterprise safety operation implementation of conditions; Carrying out production safety management accountability assignment is 0.5, and not carrying out assignment is 1.
Enterprise by strengthening the installations and facilities maintenance frequency, set up multistage emergency preplan and Environment Protection Responsibility system, to newly advancing that the office worker carries out vocational training and the modes such as plant area, row's mouthful monitoring of laying reduce equipment failure rate and evading the environmental risk event caused due to personnel's maloperation etc.
As further illustrating, the above enterprise's contingency management level, comprise emergency preplan, contingency management platform and regular three indexs of emergency drilling, three indexs are all carried out assignment 0.2, carry out two assignment 0.6, only carry out an assignment 0.8, not carrying out any contingency management work is 1.0.
Size according to the value-at-risk of risk source in the above step (3) is set risk class: according to environment risk source I codomain, be to be divided into the I level in 0<I≤100 scopes the time; Environment risk source I codomain is that 100<I≤500 o'clock are divided into the II level; Environment risk source I codomain is divided into the III level while being 500<I.
When risk class is the I level, management expectancy now is that risk source is carried out to routine management;
When risk class is the II level, management expectancy now is that risk source is carried out to tighten management, and carries out management accounts;
When risk class is the III level, management expectancy now is that risk source is carried out to tighten management, and is equipped with corresponding monitor and control facility and emergency disposal scheme and reserve supply.
Compared with prior art, the invention has the beneficial effects as follows:
1. this method has mainly been extracted dangerous substance in the enterprise that characterizes its risk level, hazardous device and enterprise Environmental Management risk level information, take M, F, G as independent variable builds evaluation function in environmental risk assessment, there is strong adaptability, dynamic change, pin-point accuracy.
2. realize the production and supply industry environment risk source of water systematization, standardization, scientific consider evaluation.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to the scope that embodiment means.
Utilize the inventive method to carry out environmental risk assessment to Liuzhou city, Guangxi province sewage treatment plant, the Environment risk factors, set up index system.The correlation circumstance of this sewage disposal plant effluent mouth is as shown in table 1:
Table 1
This Sewage Plant total environment value-at-risk I=M+F+G=12+192+0.1+0.5=204.6, risk class is the II rank, management expectancy now is that risk source is carried out to tighten management, and carries out management accounts.
The above embodiment of the present invention scheme is only can not limit the present invention to explanation of the present invention, pointed out design parameter in the inventive method calculating in claim, and the scope of parameter of the present invention is not pointed out in above-mentioned explanation, therefore, in the implication suitable with claims of the present invention and any change in scope, all be considered to be in the scope that is included in claims.
Claims (7)
1. the production and supply industry environment risk source evaluation method of a water, is characterized in that, comprises the steps:
(1) select the production and supply industry environmental risk factor of water, comprising: dangerous substance environmental risk, installations and facilities environmental risk and enterprise Environmental Management risk, and the value-at-risk of each risk factors of calculative determination;
(2) the direct stack of the value-at-risk of each risk factors is obtained to the value-at-risk of this risk source, computation model is:
I=M+F+G
In formula: I---the production and supply industry total environment value-at-risk of water;
M---dangerous substance environmental risk value;
F---installations and facilities environmental risk value, scope is 0-100;
G---enterprise Environmental Management value-at-risk, dimensionless, span 0-100;
(3) according to the value-at-risk of risk source by risk source divided rank as required, and different risk class is carried out to corresponding management.
2. the production and supply industry environment risk source evaluation method of water according to claim 1 is characterized in that: the summation that described dangerous substance environmental risk value is water body environment value-at-risk and active sludge value-at-risk, and computation model is:
M＝M
w+M
s
In formula: M
w---the water body environment value-at-risk;
M
s---the active sludge value-at-risk.
3. the production and supply industry environment risk source evaluation method of water according to claim 2, it is characterized in that: the computation model of described water body environment value-at-risk is:
In formula: n
1---water body environment pollution species number;
C
i---the concentration of i pollutant in water body environment, unit is mg/L;
C
0---the normal concentration of this pollutant in i pollutant discharge water body function zoning in water body environment, unit is mg/L;
Described water body environment pollution thing is several combination arbitrarily in solid pollutant, biological pollutant, aerobic and organic pollution, richness in nutrition pollutant, sense organ pollutant, acid-alkali salt pollutant, toxic pollutant, oil pollutant and thermal pollution thing.
4. the production and supply industry environment risk source evaluation method of water according to claim 2, it is characterized in that: the computation model of described active sludge value-at-risk is:
In formula: n
2---the pollutant kind number in active sludge;
The generation of P---active sludge, unit is t/d;
The water percentage of w%---active sludge, the integer type numerical value that w is 0-100;
C
si---the concentration value of i pollutant in active sludge, unit is the mg/kg dewatered sludge.
5. the production and supply industry environment risk source evaluation method of water according to claim 1, it is characterized in that: the computation model of described installations and facilities environmental risk value is:
In formula: f---equipment year failure rate, year number of stoppages<1 o'clock, assignment 0.25; During year number of stoppages 1-3, assignment 0.5; During year number of stoppages 3-5, assignment 0.75; Year number of stoppages>5 o'clock, assignment 1.0;
The actual use case of y---installations and facilities, unit is year;
Y
0---duration of service, unit is year; Y and y
0the ratio dimensionless;
The ruuning situation of C---equipment, wherein stable is 0.5, fluctuation of service is 1;
N
3---the number of installations and facilities, unit is individual.
6. the production and supply industry environment risk source evaluation method of water according to claim 1, it is characterized in that: the computation model of described enterprise Environmental Management value-at-risk is:
In formula: g
fp---business equipment, facility maintenance condition conversion factor; All safeguard assignment 0.2 according to installations and facilities, part is safeguarded assignment 0.6, does not substantially safeguard 1.0;
G
e---enterprise's contingency management level;
G
t---the staffs training level; Regularly carry out enterprise's assignment 0.4 of employee's vocational skills and working specification training, do not organize enterprise's assignment 1.0 of staffs training;
G
m---enterprise supervision facility complete degree; It is 0.2 that row's mouthful monitoring and the monitoring of mud component all possess, and possessing one is 0.6, and not possessing is 1;
G
s---the enterprise safety operation implementation of conditions; Carrying out production safety management accountability assignment is 0.5, and not carrying out assignment is 1.
7. the production and supply industry environment risk source evaluation method of water according to claim 6, it is characterized in that: described enterprise contingency management level, comprise emergency preplan, contingency management platform and regular three indexs of emergency drilling, three indexs are all carried out assignment 0.2, carry out two assignment 0.6, only carry out an assignment 0.8, not carrying out any contingency management work is 1.0.
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| CN108982756A (en) * | 2018-04-26 | 2018-12-11 | 贵州省烟草公司遵义市公司 | A kind of crop heavy metal pollution prediction method and device |
| CN110414800A (en) * | 2019-07-05 | 2019-11-05 | 清华大学 | Construction of super highrise building accident risk source appraisal procedure and device |
| CN111080066A (en) * | 2019-11-18 | 2020-04-28 | 中国辐射防护研究院 | Environmental risk assessment method and system for uranium and mercury mixed contaminated soil |
| CN114139102A (en) * | 2021-11-25 | 2022-03-04 | 成都飞机工业（集团）有限责任公司 | Numerical control machining quality risk early warning method |
| CN114636789A (en) * | 2022-03-18 | 2022-06-17 | 矿冶科技集团有限公司 | Early warning emergency system for heavy metal pollution of slag separation and smelting field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002063539A1 (en) * | 2001-02-08 | 2002-08-15 | Aeroqual Limited | Air quality monitoring system |
| CN102129614A (en) * | 2011-02-28 | 2011-07-20 | 中国环境科学研究院 | Method for diagnosing and grading risk of sudden pollution accident at drinking water source |
| CN102799949A (en) * | 2012-06-25 | 2012-11-28 | 中国环境科学研究院 | Risk assessment method and system for refuse landfill polluted groundwater |
| CN102999709A (en) * | 2012-12-20 | 2013-03-27 | 中国环境科学研究院 | Underground water grading and zoning evaluation method in agricultural activity area |
| CN103177302A (en) * | 2013-03-28 | 2013-06-26 | 深圳市环境科学研究院 | Risk source assessment method for urban area reservoir water source |
-
2013
- 2013-08-27 CN CN2013103786384A patent/CN103455720A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002063539A1 (en) * | 2001-02-08 | 2002-08-15 | Aeroqual Limited | Air quality monitoring system |
| CN102129614A (en) * | 2011-02-28 | 2011-07-20 | 中国环境科学研究院 | Method for diagnosing and grading risk of sudden pollution accident at drinking water source |
| CN102799949A (en) * | 2012-06-25 | 2012-11-28 | 中国环境科学研究院 | Risk assessment method and system for refuse landfill polluted groundwater |
| CN102999709A (en) * | 2012-12-20 | 2013-03-27 | 中国环境科学研究院 | Underground water grading and zoning evaluation method in agricultural activity area |
| CN103177302A (en) * | 2013-03-28 | 2013-06-26 | 深圳市环境科学研究院 | Risk source assessment method for urban area reservoir water source |
Non-Patent Citations (4)
| Title |
|---|
| JINGDE LUAN等: "Translocation and toxicity assessment of heavy metals from circulated fluidized-bed combustion of oil shale in Huadian, China", 《JOURNAL OF HAZARDOUS MATERIALS》, vol. 166, no. 23, 30 July 2009 (2009-07-30), pages 1109 - 1114, XP026109592, DOI: doi:10.1016/j.jhazmat.2008.12.023 * |
| 贾倩: "重点行业环境风险源评估管理研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》, no. 10, 15 October 2011 (2011-10-15) * |
| 贾倩等: "石化企业突发环境风险评价与分级方法研究", 《环境科学学报》, vol. 30, no. 7, 6 July 2010 (2010-07-06), pages 1510 - 1517 * |
| 铁梅等: "污泥与施污土壤重金属生物活性及生态风险评价", 《土壤通报》, vol. 44, no. 1, 6 February 2013 (2013-02-06), pages 215 - 221 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611291A (en) * | 2016-12-13 | 2017-05-03 | 税云网络科技服务有限公司 | Information push method and device |
| CN108305003A (en) * | 2018-01-29 | 2018-07-20 | 浙江中蓝环境科技有限公司 | A kind of appraisal procedure of refuse landfill |
| CN108982756A (en) * | 2018-04-26 | 2018-12-11 | 贵州省烟草公司遵义市公司 | A kind of crop heavy metal pollution prediction method and device |
| CN110414800A (en) * | 2019-07-05 | 2019-11-05 | 清华大学 | Construction of super highrise building accident risk source appraisal procedure and device |
| CN111080066A (en) * | 2019-11-18 | 2020-04-28 | 中国辐射防护研究院 | Environmental risk assessment method and system for uranium and mercury mixed contaminated soil |
| CN111080066B (en) * | 2019-11-18 | 2022-10-18 | 中国辐射防护研究院 | Environmental risk assessment method and system for uranium and mercury mixed contaminated soil |
| CN114139102A (en) * | 2021-11-25 | 2022-03-04 | 成都飞机工业（集团）有限责任公司 | Numerical control machining quality risk early warning method |
| CN114139102B (en) * | 2021-11-25 | 2024-07-12 | 成都飞机工业（集团）有限责任公司 | Numerical control machining quality risk early warning method |
| CN114636789A (en) * | 2022-03-18 | 2022-06-17 | 矿冶科技集团有限公司 | Early warning emergency system for heavy metal pollution of slag separation and smelting field |
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