GB 25465-2010Emission standard of pollutants for aluminum industry (English PDF)

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 the production of aluminum industry

The development of production technology and pollution control technology, the development of this standard.

This standard specifies the limits, monitoring and monitoring requirements for water pollutants and atmospheric pollutants in the production process of aluminum industrial enterprises. Suitable for aluminum

Water pollution and air pollution prevention and management in industrial enterprises. To promote the coordinated development of regional economy and environment, promote the adjustment of economic structure and economy

The transformation of growth mode guides the development direction of aluminum industry production process and pollution control technology. This standard specifies the special emission limit of water pollutants.

value.

The pollutant discharge concentrations in this standard are all mass concentrations.

Aluminum industrial enterprises emit odor pollutants and environmental noises, and apply corresponding national pollutant discharge standards to identify and collect solid wastes.

The national solid waste pollution control standards apply to the treatment and disposal.

This standard is the first release.

Since the implementation of this standard, aluminum industry enterprises have implemented this standard in the discharge of water and air pollutants, and will no longer implement the Integrated Wastewater Discharge Standard.

(GB 8978-1996), "Integrated Emission Standards for Air Pollutants" (GB 16297-1996) and "Emission Standards for Air Pollutants in Industrial Furnaces"

Relevant provisions in (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. Shenyang Aluminum and Magnesium Design and Research Institute, Environmental Standards Research Institute of the Ministry of Environmental Protection, China Ruilin Engineering Technology Co., Ltd.

Company (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.

Aluminum industry pollutant discharge standards

1 Scope of application

This standard specifies the limits, monitoring and monitoring requirements for water pollutants and atmospheric pollutants in aluminum industrial enterprises, as well as the implementation and supervision of standards.

Governor and other relevant regulations.

This standard applies to the management of water pollutants and atmospheric pollutants in aluminum industrial enterprises, as well as the environmental impact of aluminum industrial enterprises construction projects.

Evaluation, environmental protection facility design, completion environmental protection acceptance and management of water pollutants and atmospheric pollutants after commissioning.

This standard does not apply to recycled aluminum and aluminum rolling processing enterprises (or production systems); nor to non-specialties attached to aluminum 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 the existing sources of pollution in special protected areas

Li, in accordance with the Law of the People's Republic of China on the Prevention and Control of Air Pollution, the Law of the People's Republic of China on the Prevention and Control of Water Pollution,

Environmental Protection Law, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste, Law of the People's Republic of China on Environmental Impact Assessment, etc.

The relevant provisions of laws, regulations and rules are 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/T 6920-1986 Determination of pH value of water-based glass electrode method

GB/T 7484-1987 Determination of fluoride in water quality - Ion selective electrode 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 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 15439-1995 Ambient air benzo[a]pyrene determination by high performance liquid chromatography

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

Water quality -- Determination of sulfides by direct color spectrophotometry

HJ/T 45-1999 Determination of bitumen smoke in fixed source exhaust gas

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 67-2001 Determination of Fluoride in Fixed Pollution Sources Ion Selective Electrode 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 399-2007 Determination of chemical oxygen demand in water quality - Rapid digestion spectrophotometric method

HJ 480-2009 Determination of ambient air fluoride - Filter membrane sampling fluoride ion selective electrode method

HJ 481-2009 Determination of ambient air fluoride - Lime filter paper sampling fluoride ion selective electrode 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 484-2009 Determination of water cyanide - Volumetric method and spectrophotometric method

HJ 487-2009 Determination of fluoride in water quality - Zirconium sulphonate

Water quality - Determination of fluoride - Fluorescence spectrophotometric method

HJ 502-2009 Determination of volatile phenols in water

HJ 503-2009 Determination of volatile phenols in water - 4-aminoantipyline 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

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

Aluminum industry

Refers to bauxite mines, alumina plants, electrolytic aluminum plants and carbon producers or production facilities for aluminum.

3.2

Existing enterprise existing facility

Refers to an aluminum production enterprise or production facility that has been completed for commissioning or environmental impact assessment documents before the date of implementation of this standard.

3.3

New enterprise new facility

Refers to the construction, reconstruction and expansion of aluminum production facilities construction projects approved by the environmental impact assessment document from the date of implementation of this standard.

3.4

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).

3.5

Benchmark effluent volume per unit product

Refers to the upper limit of the wastewater discharge amount of the production unit aluminum product specified for the approval of the concentration of water pollutants.

3.6

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.

3.7

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.

3.8

Enterprise boundary

Refers to the legal boundary of aluminum industrial enterprises. If the boundary cannot be determined, it means the actual boundary.

3.9

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.

3.10

Direct discharge

Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment.

3.11

Indirect discharge

Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.

4 Pollutant emission control requirements

1 pH value 6～9 6～9

Corporate wastewater discharge

2 suspended matter 70 70

3 Chemical oxygen demand (CODCr) 100.200

4 Fluoride (in F) 8 8

5 ammonia nitrogen 15 25

6 total nitrogen 20 30

7 Total phosphorus 1.5 2.0

8 Petroleum 8 8

9 total cyanide 1) 0.5 0.5

10 Sulfide 1) 1.0 1.0

11 volatile phenols 1) 0.5 0.5

Unit product

Baseline displacement

Selection (washing) ore (qualified mine)/(m3/t) 0.2

Displacement measurement position and pollutant emission monitoring

Consistent position

Alumina plant/(m3/t) 1.0

Electrolytic aluminum plant/(m3/t) 2.5

Aluminum carbon plant (carbon block)/(m3/t) 3.0

Note. 1) There are added control items for gas production system companies.

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)

No. Pollutant project limit pollutant discharge monitoring position direct emission indirect discharge

1 pH value 6～9 6～9

Corporate wastewater discharge

2 suspended matter 30 70

3 Chemical Oxygen Demand (CODCr) 60.200

4 Fluoride (in F) 5.0 5.0

5 ammonia nitrogen 8.0 25

6 total nitrogen 15 30

7 total phosphorus 1.0 2.0

8 Petroleum 3.0 3.0

9 total cyanide 1) 0.5 0.5

10 Sulfide 1) 1.0 1.0

11 volatile phenols 1) 0.5 0.5

Unit product

Baseline displacement

Selection (washing) ore (qualified mine)/(m3/t) 0.2

Displacement measurement position and pollutant discharge supervision

Consistent control position

Alumina plant/(m3/t) 0.5

Electrolytic aluminum plant/(m3/t) 1.5

Carbon plant for aluminum (carbon block)/(m3/t) 2.0

Note. 1) There are added control items for gas production system companies.

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

Small areas, fragile ecological environment, and areas prone to serious environmental pollution problems and requiring special protection measures should strictly control the pollution of enterprises.

For the discharge of dyes, the enterprises in the above-mentioned areas shall implement the special discharge limits for water pollutants specified in Table 3.

Table 3 Special limits for water pollutants

Unit. mg/L (except pH)

No. Pollutant project limit pollutant discharge monitoring position direct emission indirect discharge

1 pH 6.5 ~ 8.5 6 ~ 9

Corporate wastewater discharge

2 suspended matter 10 30

3 Chemical Oxygen Demand (CODCr) 50 60

4 Fluoride (in F) 2.0 2.0

5 ammonia nitrogen 5.0 8.0

6 total nitrogen 10 15

7 total phosphorus 0.5 1.0

8 petroleum class 1.0 1.0

9 total cyanide 1) 0.2 0.2

10 Sulfide 1) 0.5 0.5

11 Volatile Phenol 1) 0.3 0.3

Unit product

Baseline displacement

Selection (washing) ore (qualified mine)/(m3/t) 0.1

Displacement measurement position and pollutant emission monitoring

Consistent position

Alumina plant/(m3/t) 0.2

Electrolytic aluminum plant/(m3/t) 1.0

Carbon plant for aluminum (carbon block)/(m3/t) 1.2

Note. 1) There are added control items for gas production system companies.

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

Where. rho 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;

rho实--Measured water pollutant discharge concentration, mg/L.

1 sulfur dioxide 0.5

2 particles 1.0

3 fluoride 0.02

4 benzo[a]芘0.000 01

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 All exhaust cylinders should be at least 15 m high. When there is a building within a radius of.200 m around the exhaust pipe, the height of the exhaust pipe should also be high.

The highest building is more than 3 m.

4.2.7 Before the national standard for the production of the unit product of the production facility is specified, the measured concentration is used as the air pollutant emission.

The basis of the target.

5 Pollutant monitoring requirements