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GB 26452-2011: Discharge standard of pollutants for vanadium industry
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Discharge standard of pollutants for vanadium industry
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GB 26452-2011
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Basic data | Standard ID | GB 26452-2011 (GB26452-2011) | | Description (Translated English) | Discharge standard of pollutants for vanadium industry | | Sector / Industry | National Standard | | Classification of Chinese Standard | Z61 | | Classification of International Standard | 13.030.01 | | Word Count Estimation | 17,192 | | Date of Issue | 2011-04-02 | | Date of Implementation | 2011-10-01 | | Quoted Standard | GB 6920-1986; GB 7466-1987; GB 7467-1987; GB 7469-1987; GB 7470-1987; GB 7471-1987; GB 7475-1987; GB 7485-1987; GB 11893-1989; GB 11894-1989; GB 11896-1989; GB 11901-1989; GB 11914-1989; GB/T 14673-1995; GB/T 15264-1994; GB/T 15432-1995; GB/T 15503-1995; GB/T 16157-1996; GB/T 16488-1996; GB/T 16489-1996; GB 18871-2002; HJ/T 27-1999; HJ/T 30-1999; HJ/T 55-2000; HJ/T 56-2000; HJ/T 57-2000; HJ/T 60-2000; HJ/T 195-2005; HJ/T 199-2005; HJ/T 200-2005; HJ/T 343-2007; HJ/T 399-2007; HJ 482-2009; HJ 483-2009; HJ 485-2009; HJ 486-2009; HJ 535-2009; HJ 536-2009; HJ 537-2009; HJ 544-2009; HJ 547-2009; HJ 548-2009; HJ 549-2009; HJ 538-2009; HJ 539-2009; HJ 597-2011; " automatic monitoring pollution management approach" SEPA Order No. 28; "Environmental monitoring and Management Measures" State Environmental Protection Administration Order No. 39; GB 7472-1987 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 6 of 2011 Environment Department Notice No. 30 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the characteristics of the production process of vanadium industrial enterprises and installations of water pollutants and atmospheric pollutants emission limits, surveillance and monitoring requirements, and standards for the implementation and supervision of relevant regulations. This standard applies to existing industrial enterprises vanadium water and air pollutant emissions management, and vanadium industrial enterprises in the construction project environmental impact assessment, environmental protection facilities design, environmental acceptance and completion of commissioning of water, air pollutant emissions management. This standard applies to legally permissible emission behavior: the newly established special protection sources siting and management of existing pollution sources within the region, in accordance with the"PRC Water Pollution Prevention Law", "People's Republic of Atmospheric Pollution Prevention Act, "marine Environmental Protection Law", "People's Republic of solid Waste Pollution prevention Law", "People's Republic of radioactive pollution Prevention Law", "PRC environmental Impact Assessment Law"and other laws, regulations and relevant provisions of the execution. This standard specifies a water pollutant emission control requirements apply to companies directly or indirectly, to its discharge water pollutants outside the legal boundaries of behavior. | GB 26452-2011: Discharge standard of pollutants for vanadium industry---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Discharge standard of pollutants for vanadium industry
National Standards of People's Republic of China
Vanadium industrial pollutant discharge standard
Published on.2011-04-02
2011-10-01 Implementation
Ministry of Environmental Protection
State Administration of Quality Supervision, Inspection and Quarantine
release
Ministry of Environmental Protection
announcement
No. 30 of.2011
To implement the "Environmental Protection Law of the People's Republic of China", "Water Pollution Prevention and Control Law of the People's Republic of China"
Pollution Prevention and Control Law, prevention and control of pollution, protection and improvement of the ecological environment, and protection of human health, is now approved "vanadium industrial pollutant discharge standards", etc.
The three standards are national pollutant discharge standards, and are jointly issued by the Ministry and the General Administration of Quality Supervision, Inspection and Quarantine.
The standard name and number are as follows.
2. Water pollutant discharge standards for phosphate fertilizer industry (GB 15580-2011)
Third, flat glass industry air pollutant discharge standards (GB 26453-2011)
According to the relevant laws, the above standards have the effect of enforcement.
The above standards have been implemented since October 1,.2011.
From the date of implementation of the above standards, the following national pollutant discharge standards are abolished.
Phosphate fertilizer industry water pollutant discharge standard (GB 15580-1995).
Special announcement.
(This announcement was signed by Ji Zhengkun of the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China)
April 2,.2011
Content
Foreword..iv
1 Scope..1
2 Normative references..1
3 Terms and definitions. 2
4 Pollutant emission control requirements 4
5 Pollutant monitoring requirements..8
6 Standard implementation and supervision..9
Iv
Foreword
To implement the "Environmental Protection Law of the People's Republic of China", "Water Pollution Prevention and Control Law of the People's Republic of China"
Laws and Regulations on Dyeing Prevention and Control, "Decision of the State Council on Implementing the Scientific Outlook on Development and Strengthening Environmental Protection" and the State Strengthening Heavy Metal Pollution
This standard is formulated for the relevant requirements of prevention and control work, protection of the environment, prevention and control of pollution, promotion of vanadium industrial production processes and advances in pollution control technologies.
This standard specifies the limits, monitoring and monitoring requirements for water and air pollutants in vanadium industrial enterprises, and is applicable to water pollution of vanadium industrial enterprises.
Air pollution prevention and management. In order to promote the coordinated development of regional economy and environment, and promote the adjustment of economic structure and the transformation of economic growth mode,
To guide the development direction of vanadium industrial production technology and pollution control technology, this standard specifies the special emission limits for water pollutants.
The pollutant discharge concentrations in this standard are all mass concentrations.
Vanadium industrial enterprises emit odor pollutants and environmental noises. The corresponding national pollutant discharge standards are applied, and the identification of solid wastes is generated.
The national solid waste pollution control standards apply to the treatment and disposal.
This standard is the first release.
From the date of implementation of this standard, the control of water and air pollutant emissions from vanadium industrial enterprises shall be implemented in accordance with the provisions of this standard, and no pollution shall be implemented.
Integrated Water Discharge Standard (GB 8978), "Water Pollution Emission Standard for Iron and Steel Industry" (GB 13456), "Integrated Emission Standard for Air Pollutants"
(GB 16297) and the relevant provisions of "Industrial Kiln Air Pollutant Emission Standards" (GB 9078).
Local provincial people's governments may formulate local pollutant discharge standards for pollutants not specified in this standard;
For the specified pollutants, local pollutant discharge standards that are stricter than this standard can be formulated.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard is mainly drafted by. Northeastern University, China Academy of Environmental Sciences.
This standard was approved by the Ministry of Environmental Protection on February 25,.2011.
This standard has been implemented since October 1,.2011.
This standard is explained by the Ministry of Environmental Protection.
Vanadium industrial pollutant discharge standard
1 Scope of application
This standard stipulates the emission limits, monitoring and monitoring of water pollutants and atmospheric pollutants in the characteristic production process and installation of vanadium industrial enterprises.
Requirements, as well as the implementation of standards and supervision.
This standard applies to the management of water and air pollutant emissions from existing vanadium industrial enterprises, and the environmental impact assessment of vanadium industrial enterprises construction projects.
Price, environmental protection facility design, completion environmental protection acceptance and management of water and air pollutant emissions after commissioning.
This standard applies to the discharge of pollutants permitted by law; the location of newly established sources of pollution and the existing sources of pollution in special protected areas
According to the Law of the People's Republic of China on the Prevention and Control of Water Pollution, the Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution,
Environmental Protection Law, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes, Law of the People's Republic of China on Prevention and Control of Radioactive Pollution,
The relevant provisions of laws, regulations and rules such as the Environmental Impact Assessment Law of the People's Republic of China shall be implemented.
The water pollutant emission control requirements specified in this standard are applicable to enterprises directly or indirectly discharging water pollutants outside their legal boundaries.
behavior.
2 Normative references
The contents of this standard refer to the following documents or their terms.
GB 6920-86 Water quality - Determination of pH - Glass method
GB 7466-87 Determination of total chromium in water
GB 7467-87 Determination of hexavalent chromium in water - Diphenyl hydrazide spectrophotometric method
GB 7469-87 Determination of total mercury in water - Potassium permanganate - potassium persulfate digestion method
GB 7470-87 Determination of lead water - Dithizone spectrophotometric method
GB 7471-87 Determination of cadmium in water -- Dithizone spectrophotometric method
GB 7472-87 Determination of lead in water -- Dithizone spectrophotometric method
GB 7475-87 Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method
GB 7485-87 Determination of total arsenic in water - Diethyldithio
GB 11893-89 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method
GB 11894-89 Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method
GB 11896-89 Determination of chloride in water quality - Silver nitrate titration
GB 11901-89 Determination of suspended solids by weight method
GB 11914-89 Determination of chemical oxygen demand in water - Dichromate method
GB/T 14673-1995 Determination of water quality vanadium - Atomic absorption spectrophotometric method
GB/T 15264-94 Determination of lead in ambient air - Flame atomic absorption spectrophotometric method
GB/T 15432-1995 Determination of total suspended particulate matter in ambient air
GB/T 15503-1995 Determination of vanadium in water quality 钽 reagent (BPHA) extraction spectrophotometric method
GB/T 16157-1996 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants
Water quality -- Determination of petroleum and animal and vegetable oils - Infrared photometric method
GB/T 16489-1996 Determination of sulphide content -- methylene blue spectrophotometric method
GB 18871-2002 Basic standards for ionizing radiation protection and radiation source safety
HJ/T 27-1999 Determination of hydrogen chloride in fixed source emissions - Mercury thiocyanate spectrophotometric method
HJ/T 30-1999 Determination of chlorine in fixed source exhaust gases - methyl orange spectrophotometric method
HJ/T 55-2000 Technical Guidelines for the Monitoring of Unorganized Emissions of Air Pollutants
HJ/T 56-2000 Determination of sulphur dioxide in fixed source s
HJ/T 57-2000 Determination of sulfur dioxide in fixed source exhaust gases
HJ/T 60-2000 Determination of water quality sulfides - Iodometric method
HJ/T 195-2005 Determination of ammonia nitrogen in water quality
HJ/T.199-2005 Determination of total nitrogen in water -- Gas phase molecular absorption spectroscopy
HJ/T.200-2005 Determination of water quality sulphide - gas phase molecular absorption spectroscopy
HJ/T 343-2007 Determination of chloride in water -- Mercury nitrate titration
HJ/T 399-2007 Determination of chemical oxygen demand in water quality - Rapid digestion spectrophotometric method
HJ 482-2009 Determination of sulphur dioxide in ambient air - Formaldehyde absorption - Para-elyl aniline spectrophotometric method
HJ 483-2009 Determination of sulphur dioxide in ambient air - Tetrachlorohydroxide absorption - Pararosaniline spectrophotometric method
Water quality -- Determination of copper -- Diethyldithiocarbamate spectrophotometric method
Water quality -- Determination of copper 2,9-dimethyl-1,10-phenanthroline spectrophotometric method
HJ 535-2009 Determination of ammonia nitrogen in water quality - Nexus reagent spectrophotometric method
HJ 536-2009 Determination of ammonia nitrogen in water quality - Salicylic acid spectrophotometric method
HJ 537-2009 Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration
HJ 544-2009 Determination of sulfuric acid mist of fixed pollution sources - Ion chromatography (interim)
HJ 547-2009 Determination of chlorine in fixed source pollution - Iodometric method (provisional)
HJ 548-2009 Determination of Hydrogen Chloride from Fixed Pollution Sources - Silver Nitrate Capacity Method (Provisional)
HJ 549-2009 Determination of hydrogen chloride in air and exhaust gases - Chromatography (interim)
HJ 538-2009 Determination of lead in fixed pollution sources - Flame atomic absorption spectrophotometric method (provisional)
HJ 539-2009 Determination of lead in ambient air - Graphite furnace atomic absorption spectrophotometric method (provisional)
HJ 597-2011 Determination of total mercury in water - Cold atomic absorption spectrophotometric method
Measures for the Automatic Monitoring and Control of Pollution Sources (Order No. 28 of the State Environmental Protection Administration)
Measures for the Administration of Environmental Monitoring (Order No. 39 of the State Environmental Protection Administration)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Vanadium industrial enterprise vanadium industrial enterprise
Refers to the production of V2O3, V2O5 and other vanadium oxides from vanadium slag, stone coal, vanadium-containing solid waste or other secondary resources containing vanadium.
3.2
Characteristic production process and device
Refers to. (1) V2O5 production process and equipment with roasting, leaching, precipitation and melting as the main processes;
(2) V2O3 production process and apparatus with roasting, leaching, precipitation and reduction as main processes;
(3) Equipment for the treatment and comprehensive utilization of water and atmospheric pollutants related to these production processes.
3.3
Existing enterprise existing facility
Refers to the vanadium industrial production enterprise or production facility that has been approved for production or environmental impact assessment documents before the date of implementation of this standard.
3.4
New enterprise new facility
Refers to the construction, reconstruction and expansion of vanadium industrial construction projects approved by the environmental impact assessment document from the date of implementation of this standard.
3.5
Public wastewater treatment system
Refers to collecting waste water through sewage pipelines, providing wastewater treatment services for more than two sewage disposal units and draining can reach relevant rows
Enterprises or institutions required by the standards, including urban sewage treatment plants of various scales and types, areas (including various industrial parks, development zones,
Industrial gathering places, etc.) Wastewater treatment plants, etc., should have a wastewater treatment level of two or more.
3.6
Direct discharge
Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment.
3.7
Indirect discharge
Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.
3.8
Effluent volume
Refers to the amount of wastewater discharged by a production facility or enterprise outside the boundaries of the enterprise, including various external wastewaters that are directly or indirectly related to production.
(such as domestic sewage, cooling wastewater, plant boilers and power station drainage, etc.).
3.9
Benchmark effluent volume per unite product
Refers to the upper limit of the displacement of the production unit vanadium oxide product specified for the approval of the concentration of water pollutants.
3.10
Exhaust height
Refers to the height from the ground level where the exhaust cylinder (or its main building construction) is located to the outlet of the exhaust.
3.11
Standard condition
It refers to the state when the temperature is 273.15 K and the pressure is 101 325 Pa. The limits of atmospheric pollutant emission concentrations specified in this standard are based on standards.
The dry gas in the state is the standard.
3.12
Exhaust volume
Refers to the amount of waste gas discharged into the ambient air by the vanadium industrial production process and equipment, including various types directly or indirectly related to the production process and equipment.
Exhaust gas (such as environmental smoke collection, etc.).
3.13
Benchmark exhaust volume per unite product
Refers to the upper limit of the exhaust gas volume of the production unit vanadium oxide product specified for the approval of the concentration of atmospheric pollutants.
3.14
Excess air coefficient
Refers to the ratio of the actual air volume to the theoretical air demand during the operation of the industrial furnace.
3.15
Enterprise boundary
Refers to the legal boundary of vanadium industrial enterprises. If the boundary cannot be determined, it means the actual boundary.
4 Pollutant emission control requirements
4.1 Water pollutant emission control requirements
4.1.1 From January 1,.2012 to December 31,.2012, existing enterprises implement the water pollutant discharge limits specified in Table 1.
4.1.2 The existing enterprises shall implement the water pollutant discharge limits specified in Table 2 from January 1,.2013.
4.1.3 The new enterprise shall implement the water pollutant discharge limit specified in Table 2 from October 1,.2011.
Table 1 Limits of water pollutant discharge concentration of existing enterprises and base product displacement of unit products
Unit. mg/L (except pH)
No. Pollutant Project Emission Limits Pollutant Emission Monitoring Location Direct Emissions Indirect Emissions
1 pH 6～9 6～9
Corporate wastewater discharge
2 suspended matter 70 70
3 Chemical Oxygen Demand (CODCr) 80 100
4 Sulfide 1.0 1.0
5 ammonia nitrogen 25 40
6 total nitrogen 40 60
7 total phosphorus 1.0 2.0
8 Chloride (in terms of Cl−) 500 500
9 Petroleum 10 10
10 total zinc 2.0 2.0
11 total copper 0.5 0.5
12 total cadmium 0.1
Workshop or production facility wastewater discharge
13 total chromium 1.5
14 hexavalent chromium 0.5
15 total vanadium 2.0
16 total lead 1.0
17 total arsenic 0.5
18 total mercury 0.05
Unit product (V2O5 or V2O3) base displacement/(m3/t) 20
Displacement measurement position and pollutant emission monitoring
Consistent position
Table 2 Limits of water pollutant discharge concentration of new enterprises and base product displacement
Unit. mg/L (except pH)
No. Pollutant Project Emission Limits Pollutant Emission Monitoring Location Direct Emissions Indirect Emissions
1 pH 6～9 6～9
Corporate wastewater discharge
2 suspended matter 50 70
3 Chemical Oxygen Demand (CODCr) 60 100
4 Sulfide 1.0 1.0
5 ammonia nitrogen 10 40
6 total nitrogen 20 60
7 total phosphorus 1.0 2.0
8 Chloride (in terms of Cl−) 300 300
Continued
No. Pollutant Project Emission Limits Pollutant Emission Monitoring Location Direct Emissions Indirect Emissions
9 Petroleum 5 5
Total discharge of enterprise wastewater 10 Total zinc 2.0 2.0
11 total copper 0.3 0.3
12 total cadmium 0.1
Workshop or production facility wastewater discharge
13 total chromium 1.5
14 hexavalent chromium 0.5
15 total vanadium 1.0
16 total lead 0.5
17 total arsenic 0.2
18 total mercury 0.03
Unit product (V2O5 or V2O3) base displacement/(m3/t) 10
Displacement measurement position and pollutant emission monitoring
Consistent position
4.1.4 According to the requirements of environmental protection work, the density of land development is high, the environmental carrying capacity begins to weaken, or the water environment capacity is small.
In areas where the ecological environment is fragile and prone to serious environmental pollution problems and special protection measures are required, the pollutants of enterprises should be strictly controlled.
Emissions behavior, the enterprises in the above regions implement the special discharge limits for water pollutants specified in Table 3.
The geographical scope and time for the implementation of special discharge limits for water pollutants shall be governed by the environmental protection administrative department of the State Council or the provincial people's government.
set.
Table 3 Special limits for water pollutants
Unit. mg/L (except pH)
No. Pollutant Project Emission Limits Pollutant Emission Monitoring Location Direct Emissions Indirect Emissions
1 pH 6～9 6～9
Corporate wastewater discharge
2 suspended matter 20 50
3 Chemical Oxygen Demand (CODCr) 30 60
4 Sulfide 1.0 1.0
5 ammonia nitrogen 8 10
6 total nitrogen 15 20
7 total phosphorus 0.5 1.0
8 Chloride (as Cl−).200.200
9 Petroleum Class 1 1
10 total zinc 1.0 1.0
11 total copper 0.2 0.2
12 total cadmium 0.1
Workshop or production facility wastewater discharge
13 total chromium 1.5
14 hexavalent chromium 0.5
15 total vanadium 0.3
16 total lead 0.1
17 total arsenic 0.1
18 total mercury 0.01
Unit product (V2O5 or V2O3) base displacement/(m3/t) 3
Displacement measurement position and pollutant emission monitoring
Consistent position
4.1.5 For the discharge of sewage containing radioactive materials, in addition to the implementation of this standard, it shall also comply with the provisions of GB 18871-2002.
4.1.6 The concentration limit of water pollutant discharge is applicable to the case where the actual displacement of the unit product is not higher than the base displacement of the unit product. If unit
If the actual displacement of the product exceeds the unit discharge of the unit product, the measured water pollutant concentration shall be converted into the reference discharge of water pollutant according to formula (1).
The emission concentration and the discharge concentration of the water pollutants are used as the basis for determining whether the emission is up to standard. Product output and displacement statistics
The cycle is one business day.
Production of two or more products at the same time in the production facilities of the enterprise, applicable to different emission control requirements or national pollutant discharge standards in different industries
In the case of quasi-mixed wastewater from production facilities, the most stringent concentration limits specified in the emission standards shall be implemented and
Equation (1) Converts the discharge concentration of water pollutants from the baseline.
YQ
ρ ρ= ⋅⋅∑ total base (1)
Where. ρ base - water pollutant baseline discharge mass concentration, mg/L;
Q total - total drainage, m3;
iY--the output of a certain product, t;
iQ base - the base product displacement of a product, m3/t;
ρ实--Measured water pollutant concentration, mg/L.
If the ratio of Q to is less than 1, the measured concentration of water pollutants is used as the basis for determining whether the discharge meets the standard. Total i iY Q∑ base
4.2 Air Pollutant Emission Control Requirements
4.2.1 From January 1,.2012 to December 31,.2012, existing enterprises implement the air pollutant emission limits specified in Table 4.
Table 4 Limits of air pollutant emission concentration of existing enterprises and base product displacement of unit products
Unit. mg/m3
Serial number production process or process
Pollutant name and emission limit pollutant discharge
Monitoring position sulfur dioxide particulate matter hydrogen chloride sulfuric acid mist chlorine lead and its compounds
1 raw material pretreatment
Broken, sieved, mixed ingredients,
Ball milling, ball making, material conveying
Equipment and silo
- 100 - - - 0.7
Workshop or production facility
Exhaust
2 Roasting roaster/kiln 700 100 100 - 65 1.5
3 Precipitation sedimentation tank/tank - - - 35 - 0.7
Melting
V2O5)
Melting furnace 700 100 100 - 65 1.5
Drying
V2O3)
Drying Furnace/Kiln 700 100 - - - 1.5
Restore
V2O3)
Reduction furnace/kiln 700 100 - - - 1.5
Clinker delivery and
Storage and transportation of silo bins, unloading points, etc. - 100 - - - 0.7
8 other - 100 - - - 0.7
Unit product (V2O5 or V2O3) base displacement/(m3/t) 150 000
Workshop or production facility
Exhaust
Note. The alkali-containing steam generated during the leaching process must be absorbed and purified, and the absorption liquid is recycled to the wastewater treatment system.
4.2.2 Existing enterprises shall implement the limits of atmospheric pollutant discharges specified in Table 5 from January 1,.2013.
4.2.3 The new enterprise shall implement the air pollutant emission limit specified in Table 5 from October 1,.2011.
Table 5 Limits of air pollutant emission concentration of new enterprises and base product displacement
Unit. mg/m3
No. Production process Process or process Contaminant name and emission limit Pollutant emission monitoring position Sulfur dioxide particles Hydrogen chloride sulfuric acid Fog Chloride lead and its compounds
1 raw material pretreatment
Broken, sieved, mixed ingredients,
Ball milling, ball making, material conveying
Equipment and silo
- 50 - - - 0.5
Workshop or production facility
Exhaust
2 Roasting roaster/kiln 400 50 80 - 50 1.0
3 Precipitation sedimentation tank/tank - - - 20 - 0.5
Melting
V2O5)
Melting furnace 400 50 80 - 50 1.0
Drying
V2O3)
Drying Furnace/Kiln 400 50 - - - 1.0
Restore
V2O3)
Reduction furnace/kiln 400 50 - - - 1.0
Clinker delivery and
Storage and transportation of silo bins, unloading points, etc. - 50 - - - 0.5
8 other - 50 - - - 0.7
Unit product (V2O5 or V2O3) base displacement/(m3/t) 130 000
Workshop or production facility
Exhaust
Note. The alkali-containing steam generated during the leaching process must be absorbed and purified, and the absorption liquid is recycled to the wastewater treatment system.
4.2.4 Any 1 h average concentration of atmospheric pollutants at the enterprise boundary shall be subject to the limits specified in Table 6.
Table 6 Limits of atmospheric pollutant concentrations at existing and new enterprise boundaries
Unit. mg/m3
Serial number of pollutants
1 sulfur dioxide 0.3
2 particles 0.5
3 Hydrogen chloride 0.15
4 sulfuric acid mist 0.3
5 chlorine gas 0.02
6 lead and its compounds 0.006
4.2.5 In the production proc...
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