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GB 25466.1-2025: Emission standard of air pollutants for lead and zinc industry

GB 25466.1: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB 25466.1-2025	English	219	Add to Cart	3 days [Need to translate]	Emission standard of air pollutants for lead and zinc industry		GB 25466.1-2025
GB 25466-2010	English	120	Add to Cart	0--9 seconds. Auto-delivery	Emission standard of pollutants for lead and zinc industry	Valid	GB 25466-2010

Basic data

Standard ID	GB 25466.1-2025 (GB25466.1-2025)
Description (Translated English)	Emission standard of air pollutants for lead and zinc industry
Sector / Industry	National Standard
Classification of Chinese Standard	Z60
Classification of International Standard	13.040.40
Word Count Estimation	11,138
Date of Issue	2025-10-31
Date of Implementation	2026-01-01
Older Standard (superseded by this standard)	GB 25466-2010

GB 25466-2010: Emission standard of pollutants for lead and zinc 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.
Emission standard of pollutants for lead and zinc industry National Standards of People's Republic of China Lead and zinc industrial pollutant discharge standards Released on.2010-09-27 2010-10-01 Implementation Ministry of Environmental Protection State Administration of Quality Supervision, Inspection and Quarantine release Ministry of Environmental Protection announcement No. 71 of.2010 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, the approval of the "Starch Industry Water Pollutant Emission Standard" The eight standards are the national pollutant discharge standards, and jointly issued by the Ministry and the General Administration of Quality Supervision, Inspection and Quarantine. The standard name and number are as follows. I. Emission standards for water pollutants in starch industry (GB 25461-2010) Second, the yeast industrial water pollutant discharge standards (GB 25462-2010) Third, the ink industry water pollutant discharge standards (GB 25463-2010) 4. Ceramic industry pollutant discharge standards (GB 25464-2010) V. Emission standards for aluminum industry pollutants (GB 25465-2010) 7. Emission standards for industrial pollutants of copper, nickel and cobalt (GB 25467-2010) 8. Magnesium and titanium industrial pollutant discharge standards (GB 25468-2010) According to the relevant laws, the above standards have the effect of enforcement. The above standards have been implemented since October 1,.2010. 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) September 27,.2010

Content

Foreword..iv 1 Scope..1 2 Normative references..1 3 Terms and definitions. 2 4 Pollutant emission control requirements 3 5 Pollutant Monitoring Requirements..7 6 Implementation and supervision.8 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" Dyeing Prevention and Control Law, the Marine Environmental Protection Law of the People's Republic of China, and the State Council's Decision on Implementing the Scientific Outlook on Development and Strengthening Environmental Protection And other laws, regulations and the "Opinions of the State Council on the preparation of national main functional area planning" to protect the environment, prevent pollution, and promote lead and zinc workers. This standard is formulated for the advancement of production processes and pollution control technologies. This standard specifies the limits, monitoring and monitoring requirements for water pollutants and atmospheric pollutants in the production process of lead and zinc industrial enterprises. Prevention and management of water pollution and air pollution in lead and zinc industrial enterprises. To promote the coordinated development of regional economy and environment, and promote the adjustment of economic structure The transformation of the overall economic growth mode, guiding the development direction of lead and zinc industrial production processes and pollution control technologies, this standard specifies water pollution Special emission limits. The pollutant discharge concentrations in this standard are all mass concentrations. Lead and zinc industrial enterprises emit odorous pollutants and environmental noises. The corresponding national pollutant discharge standards are applied, and the identification of solid wastes is generated. Handling and disposal of national solid waste pollution control standards. This standard is the first release. Since the implementation of this standard, the discharge of water and air pollutants from lead and zinc industrial enterprises has been implemented in this standard, and the comprehensive discharge of sewage is no longer implemented. Standards (GB 8978-1996), "Integrated Emission Standards for Air Pollutants" (GB 16297-1996) and "Inorganic Furnace Air Pollutants Relevant provisions in the Standards for Release (GB 9078-1996). 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. Changsha Nonferrous Metallurgy Design and Research Institute, Environmental Standards Institute of Ministry of Environmental Protection, China Ruilin Engineering Technology Co., Ltd. (formerly Nanchang Nonferrous Metallurgy Design and Research Institute). This standard was approved by the Ministry of Environmental Protection on September 10,.2010. This standard has been implemented since October 1,.2010. This standard is explained by the Ministry of Environmental Protection. Lead and zinc industrial pollutant discharge standards

1 Scope of application

This standard specifies the emission limits, monitoring and monitoring requirements for water pollutants and atmospheric pollutants in lead and zinc industrial enterprises, and the implementation of standards. Relevant regulations such as supervision. This standard applies to the management of water pollutants and atmospheric pollutants in lead and zinc industrial enterprises, as well as the construction projects of lead and zinc industrial enterprises. Environmental impact assessment, environmental protection facility design, completed environmental protection acceptance and management of water pollutants and atmospheric pollutants after commissioning. This standard does not apply to industries such as recycled lead, zinc and lead, and zinc calendering. It is also not applicable to non-specialties attached to lead and zinc industrial enterprises. Production process and equipment. This standard applies to the discharge of pollutants permitted by law; the location of newly established sources of pollution and existing pollution in special protected areas The management of the source, in addition to the implementation of this standard, shall also comply with the Law of the People's Republic of China on the Prevention and Control of Air Pollution and the Water Pollution Prevention of the People's Republic of China. Governing Law, Law of the People's Republic of China on Marine Environmental Protection, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste, and the Chinese People Relevant provisions of laws, regulations and rules such as the Republic Environmental Impact Assessment Law. The water pollutant discharge control requirements specified in this standard are applicable to the behavior of enterprises directly or indirectly discharging water pollutants outside their legal boundaries.

2 Normative references

The contents of this standard refer to the following documents or their terms. GB/T 6920-1986 Determination of pH value of water-based glass electrode method GB/T 7466-1987 Determination of total chromium in water GB/T 7468-1987 Determination of mercury in water quality - Cold atomic absorption spectrophotometric method GB/T 7475-1987 Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method GB/T 7484-1987 Determination of fluoride in water quality - Ion selective electrode method GB/T 7485-1987 Determination of total arsenic in water - Spectrophotometric method GB/T 11893-1989 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method GB/T 11894-1989 Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method GB/T 11901-1989 Determination of suspended solids by weight method GB/T 11912-1989 Determination of nickel in water quality - Flame atomic absorption spectrophotometric method GB/T 11914-1989 Determination of chemical oxygen demand in water - Dichromate method GB/T 15432-1995 Determination of total suspended particulate matter in ambient air GB/T 16157-1996 Determination of particulate matter in fixed source exhaust and gaseous pollutant sampling method GB/T 16489-1996 Determination of sulphide content -- methylene blue 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 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 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 HJ 487-2009 Determination of fluoride in water quality - Zirconium sulphonate Water quality - Determination of fluoride - Fluorescence 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 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 542-2009 Determination of Mercury in Ambient Air - Enrichment of Sulfhydryl Cotton - Cold Atomic Fluorescence Spectrophotometry (Provisional) HJ 543-2009 Determination of mercury in fixed source emissions - Cold atomic absorption spectrophotometric method (provisional) HJ 544-2009 Determination of sulfuric acid mist of fixed pollution sources - Ion chromatography (interim) 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 Lead and zinc industry Refers to the production of lead and zinc metal mineral products and the production of lead and zinc metal products (excluding the production of recycled lead, regenerated zinc and lead, zinc material calendering) Product) industry. 3.2 Characteristic production process and device Refers to the production process of mining, beneficiation and smelting for the production of raw lead and raw zinc metal and the equipment related to these processes. 3.3 Existing enterprise existing facility Refers to lead or zinc industrial enterprises or production facilities that have been completed 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 of lead, zinc production facilities for the construction, reconstruction and expansion of environmental impact assessment documents approved from the date of implementation of this standard. 3.5 Effluent volume Refers to the amount of wastewater discharged by a production facility or enterprise outside the legal boundaries of the enterprise, including various effluxes that are directly or indirectly related to production. Waste water (such as domestic sewage, cooling wastewater, plant boilers and power station drainage). 3.6 Benchmark effluent volume per unit product Refers to the upper limit of wastewater discharge of lead and zinc products in production units specified for the approval of the concentration of water pollutants. 3.7 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. 3.8 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. 3.9 Excess air coefficient excess air coefficien Refers to the ratio of the actual air volume to the theoretical air demand during the operation of the industrial furnace. 3.10 Enterprise boundary Refers to the legal boundary of lead and zinc industrial enterprises. If the boundary cannot be determined, it means the actual boundary. 3.11 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. 3.12 Direct discharge Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment. 3.13 Indirect discharge Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.

4 Pollutant emission control requirements

4.1 Water pollutant emission control requirements 4.1.1 From January 1,.2011 to December 31,.2011, existing enterprises implement the water pollutant discharge limits specified in Table 1. Table 1 Limits of water pollutant discharge concentration of existing enterprises and base product displacement of unit products Unit. mg/L (except pH) Serial number pollutant project Limit Pollutant emission monitoring location Direct emission indirect emissions 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chemical oxygen demand (CODCr) 100.200 3 Suspension (SS) 70 70 4 Ammonia nitrogen (in N) 15 25 5 Total phosphorus (in P) 1.5 2.0 6 Total nitrogen (in N) 20 30 7 total zinc 2.0 2.0 8 total copper 0.5 0.5 9 Sulfide 1.0 1.0 10 Fluoride 10 10 Continued Serial number pollutant project Limit Pollutant emission monitoring location Direct emission indirect emissions 11 total lead 1.0 Workshop or production facility wastewater discharge 12 total cadmium 0.1 13 total mercury 0.05 14 total arsenic 0.5 15 total nickel 1.0 16 total chromium 1.5 Unit product Baseline displacement Mineral processing (original ore)/(m3/t) 3.5 Displacement measurement position and pollutant discharge Monitoring position consistent smelting/(m3/t) 15 4.1.2 As of January 1,.2012, existing enterprises implement the water pollutant discharge limits specified in Table 2. 4.1.3 From October 1,.2010, the newly-built enterprise shall implement the water pollutant discharge limit specified in Table 2. Table 2 Limits of water pollutant discharge concentration of new enterprises and base product displacement Unit. mg/L (except pH) Serial number pollutant project Limit Pollutant emission monitoring location Direct emission indirect emissions 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chemical oxygen demand (CODCr) 60.200 3 Suspended solids (SS) 50 70 4 Ammonia nitrogen (in N) 8 25 5 Total phosphorus (in P) 1.0 2.0 6 Total nitrogen (in N) 15 30 7 total zinc 1.5 1.5 8 total copper 0.5 0.5 9 Sulfide 1.0 1.0 10 Fluoride 8 8 11 total lead 0.5 Workshop or production facility wastewater discharge 12 total cadmium 0.05 13 Total Mercury 0.03 14 total arsenic 0.3 15 total nickel 0.5 16 total chromium 1.5 Unit product Baseline displacement Mineral processing (original ore)/(m3/t) 2.5 Displacement measurement position and pollutant discharge Monitoring position consistent smelting/(m3/t) 8 4.1.4 According to the requirements of environmental protection work, the density of land development has been higher, the environmental carrying capacity has begun to weaken, or the environmental capacity is relatively Areas that are small, ecologically fragile, prone to serious environmental pollution, and require special protection measures should be strictly controlled by enterprises. For pollutant discharge behavior, enterprises in the above-mentioned regions implement the special discharge limits for water pollutants specified in Table 3. Table 3 Special limits for water pollutants Unit. mg/L (except pH) Serial number pollutant project Limit Pollutant emission monitoring location Direct emission indirect emissions 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chemical oxygen demand (CODCr) 50 60 3 Suspended solids (SS) 10 50 4 Ammonia nitrogen (in N) 5 8 5 Total phosphorus (in P) 0.5 1.0 6 Total nitrogen (in N) 10 15 7 total zinc 1.0 1.0 8 total copper 0.2 0.2 9 Sulfide 1.0 1.0 10 Fluoride 5 5 11 total lead 0.2 Workshop or production facility wastewater discharge 12 total cadmium 0.02 13 total mercury 0.01 14 total arsenic 0.1 15 total nickel 0.5 16 total chromium 1.5 Unit product Baseline displacement Mineral processing (original ore)/(m3/t) 1.5 Displacement measurement position and pollutant discharge Monitoring position consistent smelting/(m3/t) 4 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. 4.1.5 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 unit discharge 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 solid = (1) Where. ρ base - water pollutant baseline discharge concentration, mg/L; Q total - total drainage, m3; iY--the output of the i-th product, t; iQ base - the unit product base displacement of the i-th 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,.2011 to December 31,.2011, existing enterprises implement the air pollutant emission limits specified in Table 4. Table 4 Limits of atmospheric pollutant emission concentration of existing enterprises Unit. mg/m3 Serial number of pollutants applicable range emission concentration limit pollutant emission monitoring position 1 Particle drying.200 Workshop or production facility exhaust Other 100 2 sulfur dioxide all 960 3 Sulfuric acid mist acid production 35 4 Lead and its compounds smelting 10 5 Mercury and its compounds are sintered and smelted 1.0 4.2.2 As of January 1,.2012, existing enterprises will implement the air pollutant emission limits specified in Table 5. 4.2.3 From October 1,.2010, the newly established enterprise shall implement the air pollutant emission limit specified in Table 5. Table 5 Limits of atmospheric pollutant emission concentration of newly-built enterprises Unit. mg/m3 Serial number of pollutants applicable range emission concentration limit pollutant emission monitoring position 1 granules all 80 Workshop or production facility exhaust 2 sulfur dioxide all 400 3 sulfuric acid mist acid 20 4 lead and its compounds smelting 8 5 Mercury and its compounds are sintered and smelted 0.05 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 No. Contaminant project maximum concentration limit 1 sulfur dioxide 0.5 2 particles 1.0 3 sulfuric acid mist 0.3 4 lead and its compounds 0.006 5 Mercury and its compounds 0.000 3 4.2.5 In the production process after the completion of the environmental protection acceptance of the existing enterprise production and construction projects, the competent environmental protection department responsible for supervision shall respond The environmental quality of sensitive areas around residential, teaching, medical, etc. is monitored. The specific monitoring scope of the construction project is environmental impact assessment. Determined surrounding sensitive areas; existing enterprises that have not conducted environmental impact assessments are monitored by the environmental protection authorities responsible for supervision. According to the characteristics and laws of the enterprise's sewage discharge and local natural and meteorological conditions, it is determined by reference to the relevant environmental impact assessment technical guidelines. Ground The local government shall be responsible for the environmental quality of its jurisdiction and take measures to ensure that the environmental conditions meet the requirements of environmental quality standards. 4.2.6 Production processes and installations that produce atmospheric pollutants must establish local or integral gas collection systems and centralized purification treatments. Place The height of the exhaust pipe should be no less than 15 m. When there is a building within a radius of.200 m around the exhaust pipe, the height of the exhaust pipe should be higher than the highest. The building is more than 3 m. 4.2.7 Lead and zinc smelting furnaces have an excess air ratio of 1.7. The measured pollutant discharge concentration of lead and zinc smelting furnaces shall be converted into Baseline excess air ratio emission concentration. Production facilities should adopt reasonable ventilation measures and should not intentionally dilute emissions. No other provisions in the country Before the production unit unit product base exhaust volume, the actual measured concentration is used as the basis for determining whether the standard is up to standard.

5 Pollutant monitoring requirements

5.1 General requirements for pollutant monitoring 5.1.1 Sampling of waste water and waste gas from enterprises shall be carried out according to the type of pollutants to be monitored and at the specified pollutant discharge monitoring position. Where there are wastewater and waste gas treatment facilities, they should be monitored after the treatment facility. A permanent drain outlet sign shall be provided at the pollutant discharge monitoring location. 5.1.2 Requirements for the installation of automatic monitoring equipment for pollutant discharge in newly-built enterprises and existing enterprises, in accordance with relevant laws and the automatic monitoring of pollution sources The provisions of the Measures are implemented. 5.1.3 The frequency, sampling time and other requirements for monitoring the discharge of pollutants of enterprises shall be in accordance with the national technical regulations on pollution source monitoring. Regulations are enforced. 5.1.4 The verification of the output of the enterprise products shall be based on the statutory statements. 5.1.5 The enterprise shall mo...

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