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HJ 995-2018: Technical guidelines of accounting method for pollution source intensity - Leather making industry
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Technical guidelines of accounting method for pollution source intensity - Leather making industry
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HJ 995-2018
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Standard similar to HJ 995-2018 HJ 511 HJ 945.3 HJ 943 Basic data | Standard ID | HJ 995-2018 (HJ995-2018) | | Description (Translated English) | Technical guidelines of accounting method for pollution source intensity - Leather making industry | | Sector / Industry | Environmental Protection Industry Standard | | Word Count Estimation | 26,222 | | Date of Issue | 2018-12-25 | | Date of Implementation | 2019-03-01 | | Regulation (derived from) | Ministry of Ecology and Environment Announcement No. 69 of 2018 | | Issuing agency(ies) | Ministry of Ecology and Environment | HJ 995-2018: Technical guidelines of accounting method for pollution source intensity - Leather making industry
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Technical guidelines of accounting method for pollution source intensity - Leather making industry
National Environmental Protection Standard of the People's Republic
Pollution Sources Strong Accounting Technical Guide Tanning Industry
Technical guidelines of accounting method for pollution source
Intensity leather making industry
Published on.2018-12-25
2019-03-01 implementation
Ministry of Ecology and Environment released
i directory
Foreword...ii
1 Scope...1
2 Normative references...1
3 Terms and Definitions...2
4 source strong accounting program... 2
5 Wastewater pollution sources strong accounting method...6
6 Strong source method for waste gas pollution sources...9
7 Noise source strong accounting method...12
8 Solid waste source strength calculation method...12
9 other...13
Appendix A (informative) The results of the strong accounting results of the tanning industry and the list of related parameters...14
Appendix B (informative appendix) Reference pollution coefficient of wastewater pollutants...19
Appendix C (Informative Appendix) Reference Sewage Coefficient of Solid Waste...21
Appendix D (informative appendix) Tanning main product capacity production unit conversion...22
Foreword
To implement the Environmental Protection Law of the People's Republic of China, the Environmental Impact Assessment Law of the People's Republic of China
Law on Prevention and Control of Gas Pollution, Law of the People's Republic of China on Prevention and Control of Water Pollution, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes
Law of the Republic of China on the Prevention and Control of Environmental Noise Pollution, etc., improve the system of strong accounting methods for fixed sources of pollution, and guide and standardize the tanning industry
This standard is formulated for the strong accounting of pollution sources.
This standard stipulates the procedures, contents, methods and requirements for the strong accounting of pollution sources of waste water, waste gas, noise and solid waste in the tanning industry.
Appendix A to Appendix D of this standard are informative annexes.
This standard is the first release.
This standard is formulated by the Department of Environmental Impact Assessment and Emission Management of the Ministry of Ecology and Environment, and the Department of Regulations and Standards.
This standard is mainly drafted by. Environmental Engineering Assessment Center of the Ministry of Environmental Protection and China Light Industry Cleaner Production Center.
This standard is approved by the Ministry of Ecology and Environment on December 25,.2018.
This standard was implemented on March 1,.2019.
This standard is explained by the Ministry of Ecology and Environment.
1 pollution source strong accounting technical guide tanning industry
1 Scope of application
This standard stipulates the procedures, contents, accounting methods and requirements for strong accounting of pollution sources in the tanning industry.
This standard is applicable to the pollution sources and existing engineering pollution of new (reconstruction and expansion) construction projects using cowhide, sheepskin and pigskin as raw materials in the tanning industry.
The source of the source is calculated, and the source of the new (reconstruction, expansion) construction of the tanning with other animal furs as the raw material and the source of the existing engineering pollution source
Refer to the implementation.
This standard is applicable to the strong accounting of normal and abnormal emissions of the tanning industry, and is not applicable to accidents such as sudden leakage, fire, explosion, etc.
The source is under strong accounting.
This standard is applicable to the strong accounting of waste gas, waste water, noise and solid waste in the production process of the tanning industry and public and auxiliary engineering. Implementation of GB 13223
The source of pollution such as boilers is strongly calculated according to HJ 888; the source of pollution such as boilers implementing GB 13271 is calculated according to HJ 991.
2 Normative references
This standard refers to the terms of the following documents. For undated references, the valid version applies to this standard.
GB 9078 industrial furnace kiln air pollutant discharge standards
GB 12348 industrial enterprise boundary environmental noise emission standards
GB 13223 Standard for emission of atmospheric pollutants from thermal power plants
GB 13271 Boiler Air Pollutant Emission Standard
GB 14554 Odor Pollutant Emission Standard
GB 16297 Integrated emission standards for atmospheric pollutants
GB 30486 Water pollutant discharge standard for tannery and fur processing industry
GB 50015 Building Water Supply and Drainage Design Code
GB/T 16157 Determination of particulate matter in fixed source exhaust and gaseous pollutant sampling method
HJ 2.1 General Outline of Technical Guidelines for Environmental Impact Assessment of Construction Projects
HJ 2.2 Technical Guidelines for Environmental Impact Assessment Atmospheric Environment
HJ 2.3 Environmental Impact Assessment Technical Guidelines Surface Water Environment
HJ 2.4 Environmental Impact Assessment Technical Guidelines Acoustic Environment
HJ 75 Fixed Pollution Source Flue Gas (SO2, NOx, Particulate Matter) Emissions Continuous Monitoring Technical Specification
HJ 76 Technical requirements and test methods for continuous monitoring system for stationary pollution source flue gas (SO2, NOx, particulate matter)
HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications
HJ/T 92 Water Pollutant Total Monitoring Technical Specification
HJ/T 353 water pollution source online monitoring system installation technical specification
HJ/T 354 water pollution source online monitoring system acceptance technical specification
Technical Specifications for Operation and Assessment of HJ/T 355 Water Pollution Source Online Monitoring System (Trial)
HJ/T 356 Water Pollution Source Online Monitoring System Data Validity Discrimination Technical Specification (Trial)
HJ/T 373 Technical Specifications for Quality Assurance and Quality Control of Fixed Pollution Source Monitoring (Trial)
2HJ/T 397 Fixed source exhaust gas monitoring technical specification
HJ 630 Environmental Monitoring Quality Management Technical Guidelines
HJ 819 General Guidelines for Self-Monitoring Technical Units of Sewage Units
HJ 859.1 Application for Pollution Discharge Permit and Issuance of Technical Specifications Tanning and Fur Processing Industry - Tanning Industry
HJ 884 Guidelines for the Guidelines for Sources of Pollution Sources
HJ 888 Pollution Source Power Accounting Technical Guide
HJ 991 Pollution Source Power Accounting Technical Guide Boiler
3 Terms and definitions
The following terms and definitions defined by HJ 884 apply to this standard.
3.1
Raw hide/skin
It refers to the skin derived from pigs, cattle, sheep and other animals and has not been treated with antiseptic treatment. It is the basic raw material of the tanning industry.
3.2
Finished leather
Refers to leather that has been processed and can be sold as a finished product.
3.3
Blue wet leather wet blue
Refers to the wet leather with a blue-blue to blue appearance after the naked skin is tanning with chrome tanning agent.
3.4
Raw material
Refers to the original state of the leather used in the processing of leather by the tannery, including all stages of the product before the finished leather, such as rawhide and blue-wet leather.
Wait.
3.5
Abnormal discharge
Refers to the discharge of pollutants under abnormal conditions of production facilities or pollution prevention (control) measures, such as exhaust gas pollution control facilities due to failures, etc.
The reason is that it does not meet the emissions under abnormal conditions such as governance efficiency and synchronous operation rate.
4 source strong accounting procedures
4.1 General principles
The strong source accounting procedures include pollution source identification and pollutant determination, accounting methods and parameter selection, source strength accounting, and accounting results.
For details, see HJ 884 for details.
34.2 Identification of pollution sources
The identification of pollution sources in the tanning industry shall comply with the requirements of the technical guidelines for environmental impact assessment such as HJ 2.1, HJ 2.2, HJ 2.3, HJ 2.4, etc.
Cover all locations, equipment or equipment that may produce waste water, waste gas, noise, solid waste contaminants.
4.3 Determination of pollutants
The determination of pollutants in various pollution sources in the tanning industry shall include GB 12348, GB 14554, GB 16297, GB 30486 and other countries and regions.
Contaminants in the standard discharge standards. Contaminants that may be produced in the production process but not included in national or local emission standards may be based on the environment.
Quality standards, other industry standards, other national emission standards, environmental quality improvement needs of local people's governments or ecological environment authorities,
Analyze and determine according to the raw and auxiliary materials and fuel use and production process.
4.4 Accounting method selection
4.4.1 General principles
The strong accounting methods for pollution sources in the tanning industry include material balance algorithm, analogy method, actual measurement method and pollution yield coefficient method, accounting method and selection.
The order is shown in Table 1. If the priority method cannot be used, reasonable reasons should be given.
Table 1 source strength accounting method selection order table
Environmental factors pollution source pollutants/accounting factors
Prioritization of accounting methods
New (reform, expansion) construction
Source of pollution
Existing engineering pollution source a
Waste water
Chromium-containing wastewater
Total chromium
Material balance algorithm
2. Analogy
3. Pollution coefficient method
1. Measurement method b
2. Material balance algorithm
Hexavalent chromium
Analogy method
2. Pollution coefficient method
Measure b
Integrated wastewater
Amount of wastewater
Material balance algorithm
2. Analogy
3. Pollution coefficient method
1. Measurement method b
2. Material balance algorithm
Suspended solids (SS), chemical oxygen demand (CODCr),
5-day biochemical oxygen demand (BOD5), animal and vegetable oil,
Sulfide, ammonia nitrogen, total nitrogen, total phosphorus, chloride ion
Analogy method
2. Pollution coefficient method
Measure b
Exhaust gas
Finishing section
Benzene, toluene, xylene, etc.
Material balance algorithm
2. Analogy
1. Measurement method b
2. Material balance algorithm
3. Analogy c
Non-methane total hydrocarbons, particulate matter analogy
1. Measurement method b
2. Analogy c
Wastewater treatment facility, original
Stockyard, hair removal section, etc.
Ammonia and hydrogen sulfide analogy
1. Measurement method b
2. Analogy c
noise
Production workshop, waste water
Facilities, etc.
Noise level analogy method for main noise sources b
4 continued
Environmental factors pollution source pollutants/accounting factors
Prioritization of accounting methods
New (reform, expansion) construction
Source of pollution
Existing engineering pollution source a
Solid Waste
Production workshop chrome-containing leather waste and chrome-free scrap 1. Material balance algorithm
2. Analogy
3. Pollution coefficient method
Material balance algorithm
2. Measurement method
Chromium-containing sludge treatment facility
Integrated wastewater treatment facility integrated sludge
a The existing project pollution source is not in accordance with the relevant management requirements for manual monitoring, installation of automatic pollutant monitoring equipment or automatic monitoring equipment does not meet the requirements, environmental impact
In the process of evaluation management, it shall be calculated according to the method in this table after rectification according to law; in the process of management of sewage discharge permit, it shall be accounted for in accordance with the relevant provisions of the discharge permit.
b When the existing project pollution sources are strongly accounted for, when there are multiple pollution sources of the same type in the same enterprise, other pollution sources can be compared with the same type of pollution sources in the enterprise.
The source data accounting source is strong.
c This analogy method is only applicable to the unorganized exhaust emission accounting of existing engineering pollution sources.
4.4.2 Waste water
4.4.2.1 New (reconstruction, expansion) construction project pollution source
The new (reconstruction and expansion) construction wastewater and the total chromium source in the chromium-containing wastewater are preferentially calculated using the material balance algorithm, followed by the analogy method.
Pollution coefficient method. Other sources of wastewater pollutants are preferred to use the analogy method, followed by the pollution coefficient method.
4.4.2.2 Existing engineering pollution sources
The existing engineering comprehensive wastewater volume and the total chromium source in the chromium-containing wastewater are prioritized by the actual measurement method, followed by the material balance algorithm. Other pollution
The source of strong accounting uses the measured method. When using the actual measurement method, automatic monitoring is required for HJ 859.1 and pollutant discharge permit of pollutant discharge unit.
The pollutants can only be counted by using effective automatic monitoring data; the HJ 859.1 and the pollutant discharge unit of the pollutant discharge unit are not required to be used.
For the monitoring of pollutants, the automatic monitoring data shall be used first, followed by manual monitoring or commissioning of monitoring institutions according to the monitoring regulations.
Measure the data obtained. When there are multiple sources of wastewater from the same type of production plant in the same enterprise, other sources of pollution can be analogized to the same type of production.
The measured data of the wastewater source of the production plant is strong.
4.4.3 Exhaust gas
4.4.3.1 New (reconstruction, expansion) construction project pollution source
The strong calculation of benzene, toluene and xylene sources in the exhaust gas of new (reconstruction and expansion) projects is based on the material balance algorithm, followed by the analogy method.
The analogy of methane total hydrocarbons, particulate matter, ammonia, and hydrogen sulfide is calculated.
4.4.3.2 Existing engineering pollution sources
In the existing engineering organized exhaust gas, the strong accounting of volatile organic compounds such as benzene, toluene and xylene is preferred by the actual measurement method, followed by the material.
Balance algorithm. The non-methane total hydrocarbons, particulate matter, ammonia, and hydrogen sulfide source are strongly calculated using the measured method. When the actual emission is calculated by the actual measurement method,
HJ 859.1 and pollutant discharge permit for pollutant discharge units require automatic monitoring of pollutants, and only effective automatic monitoring data can be used for nuclear
For the pollutants that do not require automatic monitoring, such as HJ 859.1 and pollutant discharge permit for sewage disposal units, the automatic monitoring data is preferred.
Manual monitoring of data was used. When there are multiple sources of the same type of exhaust gas in the same enterprise, other sources of pollution may be analogous to the same type of waste in the enterprise.
The measured data of the gas pollution source is strong.
5 In the existing project unorganized exhaust gas, the strong accounting of volatile organic compounds such as benzene, toluene and xylene is preferred by the actual measurement method, followed by the material.
Balance algorithm, analogy. The strong calculation of particulate matter, ammonia and hydrogen sulfide source is carried out by the actual method, followed by the analogy method.
4.4.4 Noise
4.4.4.1 New (reconstruction, expansion) construction project pollution source
The new (reconstruction, expansion) construction noise source strong accounting uses analogy.
4.4.4.2 Existing engineering pollution sources
The existing engineering noise source is strongly calculated by the actual measurement method. When there are multiple noise pollution sources of the same type of production equipment in the same enterprise, other pollution
The source can be compared with the measured data of the noise pollution source of the same type of production equipment of the enterprise.
4.4.5 Solid waste
4.4.5.1 New (reconstruction, expansion) construction project pollution source
The new (reconstruction, expansion) construction of solid waste is preferred to use the material balance algorithm, followed by the analogy method, the pollution coefficient method.
4.4.5.2 Existing engineering pollution sources
The existing engineering solid waste is preferred to use the material balance algorithm, followed by the actual measurement method.
4.5 Parameter selection
The engineering design data may be taken from the strong accounting parameters of the new (reconstruction, expansion) construction equipment or facility pollution source. Existing engineering production equipment or
The strong accounting parameters of the facility pollution sources can take effective monitoring data during the accounting period.
4.6 Source strength accounting
The emission or discharge of waste gas, waste water and solid waste is the sum of all pollution sources generated or discharged, of which the source of exhaust gas pollution is strong.
Accounting should include the production or emissions of both normal and abnormal conditions. The normal emissions of pollutants are organized and unorganized.
Sum. Calculated using equation (1).
'ii
DDD
(1)
Where. D--the amount of pollutants produced or discharged during the accounting period, t;
Di--the amount of pollutants produced or discharged when a pollution source is normally discharged during the accounting period, t;
Di
'--The occurrence or emission of a certain pollutant when a certain pollution source is abnormally discharged during the accounting period, t;
N--the number of pollution sources, the quantity of dimension one.
4.7 Summary of accounting results
See Appendix A for the format of strong source accounting results.
65 Wastewater pollution source source strong accounting method
5.1 Material Balance Algorithm
5.1.1 General principles
The material balance algorithm is applicable to comprehensive wastewater production, emissions, and total chromium source strength accounting.
The engineering calculation data can be used for the strong accounting parameters of the new (reconstruction and expansion) construction projects. Existing engineering pollution sources strong accounting selection accounting
Effective monitoring of data during the time period.
5.1.2 Comprehensive wastewater production
The amount of comprehensive wastewater produced by the tanning enterprises during the accounting period is calculated by the formula (2).
Yxcz gd = ddddd (2)
Where. d--the amount of integrated wastewater generated during the accounting period, m3;
Dy--the amount of water brought in by the raw and auxiliary materials during the accounting period, m3;
Dx--the amount of fresh water replenished during the accounting period, m3;
Dc--the amount of water brought out by the product during the accounting period, m3;
Dz--the amount of water lost by evaporation during the accounting period, m3;
Dg--The amount of water carried out by solid waste during the accounting period, m3.
5.1.3 Comprehensive wastewater discharge
The comprehensive wastewater discharge of tanneries during the accounting period is calculated by formula (3).
D d
Reuse
Water (3)
Where. D water - the amount of comprehensive wastewater discharge during the accounting period, m3;
D--the amount of integrated wastewater generated during the accounting period, m3;
η reuse - the total plant wastewater reuse rate during the accounting period, %.
5.1.4 Total chromium production
The total chromium production in the chromium-containing wastewater during the tanning process is calculated by the formula (4).
3r f F
Cr yrfy T× 10100 100
d ST
(4)
Where. dCr--the total amount of chromium produced during the tanning process (including the amount of wastewater and chromium-containing sludge), kg;
Sy--the consumption of raw material skin during the accounting period, t;
Δr--the calculation of the consumption of the raw material per unit weight of the raw material skin (according to the design value), kg/t;
Εr--the proportion of total chromium in the tincture during the accounting period (determined according to the composition of the chrome tanning agent), %;
Δf--the amount of retanning agent consumed per unit weight of raw material in the accounting period (determined according to the design value), kg/t;
Εf--the proportion of total chromium in the retanning agent during the accounting period (determined according to the composition of the retanning agent), %;
7ρy--the total chromium content in the skin of the raw material per unit weight in the accounting period (determined according to the design value), kg/t;
ρF--the total chromium content in the finished or blue wet leather in the accounting period (determined according to the design value), kg/m2;
η--The conversion factor of finished leather or blue wet leather and raw material skin per unit area (according to Appendix D), kg/m2;
T--Chromium-containing cutting scrap produced during the accounting period (determined according to design values), t;
ρT--The total chromium content per unit mass of chromium-containing cutting scrap in the accounting period (determined according to the design value), kg/t.
5.1.5 Total chromium emissions
The total chromium emissions from chromium-containing wastewater are calculated using equation (5).
(1 )
D d
去除 Remove (5)
Where. D--the total chromium emissions in the wastewater during the accounting period, t;
D--the total amount of chromium produced during the tanning process, t;
η removal--the removal efficiency of total chromium in chromium-containing wastewater treatment facilities during the accounting period (determined according to design values), %;
Ω--the proportion of chromium-containing wastewater entering the chromium-containing wastewater treatment facility during the accounting period (determined by design value), %.
5.2 Analogy
5.2.1 General principles
The analogy method is applicable to the strong accounting of wastewater pollutant sources for new (reconstruction, expansion) construction projects.
5.2.2 Contaminant production
New (reconstruction, expansion) construction project pollution source pollutants, can be compared to the existing conditions of the existing project workshop discharge or waste
The valid measured data of relevant parameters such as wastewater pollutant concentration and wastewater volume imported from the water treatment facility are accounted for or directly determined. Analogy condition
include.
a) the same type of raw materials;
b) The types of excipients are the same, and the components related to pollutant discharge in the excipients are similar (the difference is not more than 10%);
c) the production process and parameters are basically the same;
d) the product type is the same;
e) The difference in the production scale of raw materials or products does not exceed 30%.
5.2.3 Pollutant emissions
According to the amount of pollutants generated and the removal efficiency of pollution control facilities, the discharge amount is calculated, and the discharge of wastewater pollutants during the accounting period is adopted (6).
Calculation.
D d
Remove and reuse (6)
Where. D--the discharge amount of certain pollutants in the wastewater during the accounting period, t;
D--the amount of certain pollutants in the wastewater during the accounting period, t;
η removal - the efficiency of removal of certain pollutants by wastewater treatment facilities, %;
8η reuse - the rate of wastewater reuse during the accounting period, %.
5.3 Measurement method
5.3.1 General principl...
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