CN109584972A - Pollutant screening technique is preferentially managed in a kind of textile industry - Google Patents
Pollutant screening technique is preferentially managed in a kind of textile industry Download PDFInfo
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Abstract
The invention discloses a kind of textile industries preferentially to manage pollutant screening technique, is made of following four parts: (1) defining pollutant quantitative analysis method and construct pollutant emission tables of data；(2) it defines pollutant toxicity assay and constructs its Accounting Model；(3) consistency of quantitative analysis and oxicity analysis sequence is examined with Spearman correlation coefficient process；(4) the deviation value method of inspection is used, further identifies that 3 class ranking difference of pollutant screening technique pollutant is preferentially managed in a kind of textile industry.Carrying capacity of environment caused by the pollutant that integrated use quantitative analysis of the present invention and toxicity assay generate product industrial production is ranked up, and ranking results are compared using Spearman correlation coefficient process and deviation value method, reference is provided for the preferential control of textile industry pollutant.
Description
Technical field
The invention belongs to the pollutants of textile industry to manage field, relate to a kind of textile industry and preferentially manage pollutant sieve
Choosing method.
Background technique
Multiple pollutant is generated in caused by spinning industrial production manufacturing process, wherein being no lack of heavy metal, benzene homologues, nonyl phenol etc. has
Malicious noxious pollutant.Hazardous contaminant can also pass through food other than directly causing damages to atmosphere, water body and soil etc.
Chain is enriched in vivo, especially causes to seriously affect to human health to biology.It is influenced to prevent and remedy pollution, domestic external-open
Many experiments are opened up to study the toxic effect of pollutant, and screened to preferential control pollutant.
Current control pollutant screening technique preferential both at home and abroad mainly has quantitative analysis method and oxicity analysis method.Quantitative analysis
Method is the control based on pollutant quality, usual less its relative toxicity of consideration.Oxicity analysis method is used to identify the people of pollutant
Body toxicity (such as carcinogenicity, non-carcinogenic) and eco-toxicity mainly include background Enrichment index, Marine Sediment pollution index
The methods of method, pollutional load index method, average deposition amount of substance calibration coefficients method.There has been no unified preferential control pollutions at present
Object screening technique, for the pollutant control multi-focus in textile industry in product pollutant load and its test method, useless
Pollutant emission limit in water, the screening study for preferentially managing pollutant are rarely reported.
Summary of the invention
The purpose of the present invention is to provide a kind of textile industries preferentially to manage pollutant screening technique, and integrated use quantitatively divides
Carrying capacity of environment caused by the pollutant that analysis and toxicity assay generate product industrial production is ranked up, and is used
Spearman correlation coefficient process and deviation value method are compared ranking results, provide for the preferential control of textile industry pollutant
With reference to.
In order to solve the above-mentioned technical problem, it adopts the following technical scheme that
Pollutant screening technique is preferentially managed in a kind of textile industry, it is characterised in that is included the following steps:
(1) it defines pollutant quantitative analysis method and constructs pollutant emission tables of data；
(2) it defines pollutant toxicity assay and constructs its Accounting Model:
2.1, using USEtox model as Basis of Database, retrieve the corresponding human toxicity of the pollutant characterize the factor with
And eco-toxicity characterization factor, construct toxic characteristic factor inventory；
2.2, the human toxicity and eco-toxicity carrying capacity of environment ChF of pollutant are calculated；
(3) consistency of quantitative analysis and oxicity analysis sequence, specific steps are examined with Spearman correlation coefficient process
Are as follows:
3.1, using pollutant emission quality size as sequence index, pollutant discharge amount list is formulated；
3.2, using pollutant toxicity size as sequence index, human toxicity list and eco-toxicity ranking are formulated respectively
Table；
3.3, quantitative analysis is carried out with Spearman correlation coefficient process and oxicity analysis degree of correlation is examined；
(4) the deviation value method of inspection is used, it is dirty further to identify that pollutant screening technique is preferentially managed in a kind of textile industry
Contaminate 3 class ranking difference of object, specific steps are as follows:
4.2, using pollutant emission quality ranking and human toxicity ranking as comparison other, human toxicity deviation value is calculated；
4.2, using pollutant emission quality ranking and eco-toxicity ranking as comparison other, eco-toxicity deviation value is calculated；
After it is preferred that, the production process and blowdown node of chemicals to be calculated first are cleared in the step (1), further according to production
Process and blowdown node make the Pollution by Chemicals object discharge amount inventory.Pollutant quantitative analysis method is based on heavy metal pollution
The control of amount of substance, usual less its relative toxicity of consideration, for being characterized in certain time, in certain space volume, production list
The pollutant quality of position product discharge.
After it is preferred that, the step (2) 2.2 in, using formula 1 calculate the pollutant human toxicity and eco-toxicity environment
Load ChF:
Wherein, ChF is pollutant human toxicity and eco-toxicity, and unit distinguishes cases or PAFm3·day；F is
The characterization factor of USEtox model and the conversion correction factor of the chemicals footprint characteristics factor, value 290, dimensionless；
CFiFor be discharged into surrounding medium pollutant i the toxic characteristic factor；EiFor be discharged into surrounding medium pollutant i quality, it is single
Position is kg；N is the type of surrounding medium.
After it is preferred that, Spearman related coefficient (ρ) is used to express the degree of correlation of quantitative analysis method and oxicity analysis method, ρ
Value range be { -1,1 }, ρ > 0 be positively correlated, ρ < 0 be negative correlation, ρ=1 be perfect positive correlation, ρ=- 1 be complete negative
It closes, when ρ is closer to 1, indicates that the degree of correlation between quantitative analysis method and oxicity analysis method is higher；When ρ is closer to 0, table
Show that the degree of correlation between quantitative analysis method and toxicity assay is lower, it is considered that | ρ | > 0.8 be degree of correlation compared with
It is high.
After it is preferred that, the step (3) 3.3 in, using formula 2, formula 3 calculate Spearman related coefficient:
dij=xj-yij(i=1,2；J=1,2,3,4,5)
Formula 2
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking, y2jFor eco-toxicity ranking；d1jFor discharge amount and people
The difference of body toxicity ranking, d2jFor the difference of discharge amount and eco-toxicity ranking；diIt is arranged for discharge amount and human toxicity or eco-toxicity
The difference of name；ρ is related coefficient；N is ranking number.
After it is preferred that, in the step (4), deviation value (γ) value is { -1,1 }, and the ranking based on quality is thought in γ → 0 item
It is consistent with the ranking of toxicity, if γ < 0, illustrates that quality ranking is more forward than toxicity, if γ > 0, illustrate that toxicity ranking is more leaned on
Before.
After it is preferred that, the step (4) 4.1 and 4.2 in, the calculating step of the deviation value method of inspection is according to step 3.1
Calculated result with 3.2, calculates human toxicity deviation value and eco-toxicity deviation value by formula 4:
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking；y2jFor eco-toxicity ranking；N is ranking number.
As a result of the above technical solution, the following beneficial effects are obtained:
The present invention problem serious for carrying capacity of environment in caused by spinning industrial production manufacturing process, integrated use quantitative analysis and
Toxicity assay is ranked up pollutant carrying capacity of environment, and using Spearman correlation coefficient process and deviation value method to sequence
As a result it is compared, proposes that pollutant screening technique is preferentially managed in a kind of reasonable textile industry, it is intended to obtain by comprehensive analysis
Relatively objective, scientific preferential control pollutant is taken, to reduce caused by spinning industrial production processing bring human toxicity carrying capacity of environment
With eco-toxicity carrying capacity of environment.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is production technology and the flow chart for producing dirty node；
Specific embodiment
Pollutant screening technique is preferentially managed in a kind of textile industry, is included the following steps:
1, it defines pollutant quantitative analysis method and constructs pollutant emission inventory；
Production process to be calculated and blowdown node are cleared, which is made according to production process and blowdown node
Discharge amount inventory.
Pollutant quantitative analysis method is the control based on heavy metal pollutants amount, usually less to consider that it is relatively malicious
Property, for being characterized in certain time, in certain space volume, the pollutant quality of production unit product discharge.
2, it defines pollutant toxicity assay and constructs its Accounting Model:
2.1, using USEtox model as database, the corresponding human toxicity feature of pollutant of unit product discharge is searched
Change the factor and eco-toxicity characterization factor, constructs toxic characteristic factor inventory；
2.2, the human toxicity and eco-toxicity carrying capacity of environment ChF for calculating pollutant calculate the human body of pollutant using formula 1
Toxicity and eco-toxicity carrying capacity of environment ChF:
Wherein, ChF is pollutant human toxicity and eco-toxicity, and unit distinguishes cases or PAFm3·day；F is
The characterization factor of USEtox model and the conversion correction factor of the chemicals footprint characteristics factor, value 290, dimensionless；
CFiFor be discharged into surrounding medium pollutant i the toxic characteristic factor；EiFor be discharged into surrounding medium pollutant i quality, it is single
Position is kg；N is the type of surrounding medium.
3, the consistency of quantitative analysis and oxicity analysis sequence, specific steps are examined with Spearman correlation coefficient process
Are as follows:
Spearman related coefficient (ρ) is used to express the degree of correlation of quantitative analysis method and oxicity analysis method.The value model of ρ
It encloses for { -1,1 }.ρ > 0 is to be positively correlated, and ρ < 0 is negative correlation.ρ=1 is perfect positive correlation, and ρ=- 1 is perfect negative correlation.When ρ is got over
When close to 1, indicate that the degree of correlation between quantitative analysis method and oxicity analysis method is higher；When ρ is closer to 0, quantitative point is indicated
Degree of correlation between analysis method and oxicity analysis method is lower.It is generally acknowledged that | ρ | > 0.8 is that degree of correlation is higher；
3.1, using pollutant emission quality size as sequence index, pollutant discharge amount list is formulated；
3.2, using pollutant toxicity size as sequence index, human toxicity list and eco-toxicity ranking are formulated respectively
Table；
3.3, the Spearman related coefficient for calculating quality and human toxicity and eco-toxicity respectively is counted using formula 2,3
Calculate Spearman related coefficient:
dij=xj-yij(i=1,2；J=1,2,3,4,5)
Formula 2
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking, y2jFor eco-toxicity ranking；d1jFor discharge amount and people
The difference of body toxicity ranking, d2jFor the difference of discharge amount and eco-toxicity ranking；diIt is arranged for discharge amount and human toxicity or eco-toxicity
The difference of name；ρ is Spearman related coefficient；N is ranking number.
4, with the deviation value method of inspection, further identify that the pollution of pollutant screening technique is preferentially managed in a kind of textile industry
3 class ranking difference of object, specific steps are as follows:
Deviation value (γ) value is { -1,1 }, and γ → 0 item thinks that the ranking of ranking and toxicity based on quality is consistent,
If γ < 0, illustrate that quality ranking is more forward than toxicity, if γ > 0, illustrates that toxicity ranking is located further forward.
4.1, using pollutant emission quality ranking and human toxicity ranking as comparison other, human toxicity deviation value is calculated；
4.2, using pollutant emission quality ranking and eco-toxicity ranking as comparison other, eco-toxicity deviation value is calculated；
According to step 3.1,3.2 calculated result, human toxicity deviation value and eco-toxicity deviation value are calculated by formula 4:
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking；y2jFor eco-toxicity ranking；N is ranking number.
Below with reference to specific embodiment, the invention will be further described:
It is preferential control pollutant screening study object with certain printing and dyeing enterprise, with a huge sum of money in the selection of pollutant type
Category, phthalate, bromination and chlorinated flame retardants, carcinogenic aromatic amine and chloride containing product are research index set, to show not
With the carrying capacity of environment difference of evaluation index.
The main condition of production of the said firm: product is dyed with high-grade linen-cotton, based on print dress fabric, and primary raw material is cotton
Numb fabric, auxiliary material are reactive dye, coating dyestuff, liquid alkaline and auxiliary agent, and yield is 7000 myriametres/year.Before production technology is mainly
Processing, dyeing or stamp, final finishing three process.And pre-treatment divides base examine, singe, desizing, mercerising；It is fixed that final finishing is divided into product
Type, finished product preshrunk, Cheng Jian, packaging.It is specifically shown in production process and blowdown node diagram 1.
Step 1
1.1 Fig. 1 show the production process and blowdown node of the enterprise, and it is clear to formulate unit product pollutant emission as a result,
It is single, unit kg.
Step 2
2.1, it using USEtox model as database, searches the corresponding human toxicity of pollutant and characterizes the factor, unit is
Cases/kg and eco-toxicity characterize the factor, unit PAFm3Day/kg constructs toxic characteristic factor inventory；
2.2, the human toxicity and eco-toxicity carrying capacity of environment ChF of pollutant, respectively organic matter human body poison are calculated by formula 1
Property calculate and the results are shown in Table 1, the accounting of organic matter eco-toxicity the results are shown in Table 2, and the accounting of heavy metal human toxicity the results are shown in Table 3 and a huge sum of money
Belonging to eco-toxicity accounting the results are shown in Table 4.
1 organic matter human toxicity of table
2 organic matter eco-toxicity of table
3 heavy metal human toxicity of table
4 Heavy Metal Ecological toxicity of table
Step 3
3.1, using pollutant emission quality size as sequence index, pollutant discharge amount is ranked up；
3.2, using pollutant toxicity size as sequence index, respectively to the human toxicity and life of organic matter and heavy metal
The sequence of state toxicity；
3.3, the Spearman related coefficient for calculating quality and human toxicity and eco-toxicity respectively is counted using formula 2,3
Calculate Spearman related coefficient:
dij=xj-yij(i=1,2；J=1,2,3,4,5)
Formula 2
The results are shown in Table 5:
5 Spearman related coefficient of table
Step 4
4.1, using pollutant emission quality ranking and human toxicity ranking as comparison other, calculate human toxicity deviation value；
4.2, using pollutant emission quality ranking and eco-toxicity ranking as comparison other, eco-toxicity deviation value is calculated；
According to step 3.1,3.2 calculated result, human toxicity deviation value and eco-toxicity deviation value are calculated by formula 4,
Wherein organic matter human toxicity deviation value the results are shown in Table 6, and organic matter eco-toxicity deviation value the results are shown in Table 7, heavy metal human body poison
Sexual deviation value the results are shown in Table 8, and Heavy Metal Ecological toxicity deviation value the results are shown in Table 9:
6 organic matter human toxicity deviation value of table
7 organic matter eco-toxicity deviation value of table
8 heavy metal human toxicity deviation value of table
9 Heavy Metal Ecological toxicity deviation value of table
Pass through example calculation, it can be seen that result of study shows: the environment based on polluter figureofmerit and toxicity index
Load ranking results are not consistent；All there is low-emission, highly toxic pollutant in organic matter and heavy metal, wherein organic matter four
Chlorobenzene, pentachlorobenzene, hexachloro-benzene, benzidine and o-aminoazotoluene can cause biggish human toxicity carrying capacity of environment, pentachlorobenzene,
Hexachloro-benzene, pentachlorophenol, 2,4,5- trichlorophenol, 2,4,6,-Ts and 2,4- chlorophenesic acid can cause biggish eco-toxicity carrying capacity of environment；Weight
Metallic zinc and Cr VI can cause biggish human toxicity carrying capacity of environment, and copper and zinc can cause biggish eco-toxicity environment negative
Lotus.11 pollutant should be paid close attention to and preferentially manage, and be influenced with mitigating the environment of textile industry of the enterprise.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (7)
1. pollutant screening technique is preferentially managed in a kind of textile industry, it is characterised in that include the following steps:
(1) it defines pollutant quantitative analysis method and constructs pollutant emission tables of data；
(2) it defines pollutant toxicity assay and constructs its Accounting Model:
2.1, it using USEtox model as Basis of Database, retrieves the corresponding human toxicity of the pollutant and characterizes the factor and life
The state toxic characteristic factor constructs toxic characteristic factor inventory；
2.2, the human toxicity and eco-toxicity carrying capacity of environment ChF of pollutant are calculated；
(3) consistency of quantitative analysis and oxicity analysis sequence, specific steps are examined with Spearman correlation coefficient process are as follows:
3.1, using pollutant emission quality size as sequence index, pollutant discharge amount list is formulated；
3.2, using pollutant toxicity size as sequence index, human toxicity list and eco-toxicity list are formulated respectively；
3.3, quantitative analysis is carried out with Spearman correlation coefficient process and oxicity analysis degree of correlation is examined；
(4) the deviation value method of inspection is used, further identifies that pollutant screening technique pollutant 3 is preferentially managed in a kind of textile industry
Class ranking difference, specific steps are as follows:
4.1, using pollutant emission quality ranking and human toxicity ranking as comparison other, calculate human toxicity deviation value；
4.2, using pollutant emission quality ranking and eco-toxicity ranking as comparison other, eco-toxicity deviation value is calculated.
2. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that: the step
Suddenly the production process and blowdown node that chemicals to be calculated first is cleared in (1), should further according to production process and the production of blowdown node
Pollution by Chemicals object discharge amount inventory.
3. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that: the step
Suddenly in the 2.2 of (2), the human toxicity and eco-toxicity carrying capacity of environment ChF of the pollutant are calculated using formula 1:
Wherein, ChF is pollutant human toxicity and eco-toxicity, and unit distinguishes cases or PAFm3·day；F is USEtox mould
The characterization factor of type and the conversion correction factor of the chemicals footprint characteristics factor, value 290, dimensionless；CFiTo be discharged into
The toxic characteristic factor of the pollutant i of surrounding medium；EiFor be discharged into surrounding medium pollutant i quality, unit kg；n
For the type of surrounding medium.
4. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that:
Spearman related coefficient (ρ) is used to express the degree of correlation of quantitative analysis method and oxicity analysis method, the value range of ρ be -1,
1 }, ρ > 0 is to be positively correlated, and ρ < 0 is negative correlation, and ρ=1 is perfect positive correlation, and ρ=- 1 is perfect negative correlation, when ρ is closer to 1,
Indicate that the degree of correlation between quantitative analysis method and oxicity analysis method is higher；When ρ is closer to 0, indicate quantitative analysis method and
Degree of correlation between toxicity assay is lower, it is considered that | ρ | > 0.8 is that degree of correlation is higher.
5. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that: the step
Suddenly in the 3.3 of (3), Spearman related coefficient is calculated using formula 2, formula 3:
dij=xj-yij(i=1,2；J=1,2,3,4,5)-formula 2
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking, y2jFor eco-toxicity ranking；d1jFor discharge amount and human body poison
The difference of property ranking, d2jFor the difference of discharge amount and eco-toxicity ranking；diFor discharge amount and human toxicity or eco-toxicity ranking it
Difference；ρ is related coefficient；N is ranking number.
6. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that: the step
Suddenly in (4), deviation value (γ) value is { -1,1 }, and γ → 0 item thinks that the ranking of ranking and toxicity based on quality is consistent,
If γ<0, illustrate that quality ranking is more forward than toxicity, if γ>0, illustrates that toxicity ranking is located further forward.
7. pollutant screening technique is preferentially managed in a kind of textile industry according to claim 1, it is characterised in that: the step
Suddenly in the 4.1 and 4.2 of (4), the calculating step of the deviation value method of inspection is the calculated result according to step 3.1 and 3.2, by formula
4 calculate human toxicity deviation value and eco-toxicity deviation value:
Wherein, xjFor discharge amount ranking；y1jFor human toxicity ranking；y2jFor eco-toxicity ranking；N is ranking number.
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Application publication date: 20190405 Assignee: Wei long long quilt Co.,Ltd. Assignor: ZHEJIANG SCI-TECH University Contract record no.: X2022330000461 Denomination of invention: A screening method for priority control pollutants in textile industry Granted publication date: 20211022 License type: Common License Record date: 20220825 |
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