GB 28666-2012Emission standard of pollutants for ferroalloys smelt industry (English PDF)

Foreword

To implement the Environmental Protection Law of the People's Republic of China, the Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution, and the

Laws and regulations such as the implementation of the scientific development concept to strengthen environmental protection, and the State Council on the preparation of national main functions

Opinions on District Planning, protecting the environment, preventing pollution, and promoting the progress of ferroalloy industrial production processes and pollution control technologies,

Develop this standard.

This standard specifies the emission limits, monitoring and monitoring requirements for water pollutants and atmospheric pollutants in ferroalloy production enterprises. for

Promote the coordinated development of regional economy and environment, promote the adjustment of economic structure and the transformation of economic growth mode, and guide ferroalloys

The development direction of the production process and pollution control technology, this standard specifies the special emission limits for water pollutants and atmospheric pollutants.

value.

The odor emission and environmental noise of ferroalloy production enterprises shall be applied to the corresponding national pollutant discharge standards to produce solid

The identification, treatment and disposal of body waste shall be subject to national solid waste pollution control standards.

This standard is the first release.

From the date of implementation of this standard, the emission control of atmospheric and water pollutants of ferroalloy production enterprises shall be implemented in accordance with the provisions of this standard.

No longer implement the "Emission Standard for Air Pollutants in Industrial Furnaces" (GB 9078-1996), "Integrated Emission Standards for Air Pollutants"

(GB 16297-1996) and "Steel Industry Water Pollutant Emission Standards" (GB 13456-1992) relevant provisions.

Local provincial people's governments may formulate local pollutant discharge standards for pollutants not specified in this standard;

The pollutants items that have been stipulated in this standard may be formulated with local pollutant discharge standards that are stricter than this standard.

This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.

This standard was drafted. Sinosteel Tiancheng Environmental Protection Technology Co., Ltd., Sichuan Chuantou Emei Ferroalloy (Group)

Limited Liability Company, Environmental Standards Institute of the Ministry of Environmental Protection.

This standard was approved by the Ministry of Environmental Protection on June 15,.2012.

This standard has been implemented since October 1,.2012.

This standard is explained by the Ministry of Environmental Protection.

Ferroalloy industrial pollutant discharge standard

1 Scope of application

This standard specifies the limits, monitoring and monitoring of water pollutants and atmospheric pollutants in ferroalloy production enterprises or production facilities.

Requirements, as well as standards for implementation and supervision.

This standard applies to the management of water pollutants and atmospheric pollutants in electric furnace ferroalloy production enterprises or production facilities.

And environmental impact assessment of the electric furnace ferroalloy industrial construction project, design of environmental protection facilities, completion and environmental protection acceptance and

Management of water pollutants and atmospheric pollutants after production.

This standard applies to the pollutant discharge behavior permitted by law; the location of newly established pollution sources and the existing special protection areas

The management of pollution sources shall be in accordance with the Law of the People's Republic of China on the Prevention and Control of Air Pollution and the Law of the People's Republic of China on Prevention and Control of Water Pollution

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 Wastes, China

The relevant provisions of laws, regulations and rules of the People's Republic of China Environmental Impact Assessment Law are implemented.

The water pollutant emission control requirements specified in this standard are applicable to enterprises directly or indirectly discharging water pollution outside their legal boundaries.

The behavior of the dye.

2 Normative references

The contents of this standard refer to the terms in the following documents.

GB /T 6920-1986 Determination of pH of water - Glass electrode method

GB/T 7466-1987 Determination of total chromium in water - Potassium permanganate - Dibenzoyl dihydrazide spectrophotometric method

GB/T 7467-1987 Determination of hexavalent chromium in water - Diphenyl hydrazide spectrophotometric method

GB/T 7472-1987 Determination of zinc in water -- Dithizone spectrophotometric method

GB/T 7475-1987 Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method

GB/T 16157-1996 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants

GB/T 15432-1995 Determination of total suspended particulate matter in ambient air

GB/T 11901-1989 Determination of suspended solids by weight method

GB/T 11914-1989 Determination of chemical oxygen demand in water - Potassium dichromate 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 16488-1996 Determination of water quality - Petroleum spectrophotometric method

HJ/T 55-2000 Technical Guidelines for the Monitoring of Unorganized Emissions of Air Pollutants

HJ/T 195-2005 Determination of ammonia nitrogen in water quality

HJ/T 397-2007 Fixed source exhaust gas monitoring technical specification

HJ/T 399-2007 Determination of chemical oxygen demand in water quality - Rapid digestion spectrophotometric method

HJ 484-2009 Determination of water cyanide - Volumetric method and spectrophotometric method

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.

4 Pollutant emission control requirements

1 pH 6～9 6～9

Corporate wastewater discharge

2 suspended matter 100.200

3 Chemical oxygen demand (CODcr) 80.200

4 ammonia nitrogen 8 15

5 total nitrogen 20 25

6 total phosphorus 1.0 2.0

7 Petroleum 5 10

8 volatile phenol 0.5 1.0

9 total cyanide 0.5 0.5

10 total zinc 2 4.0

11 hexavalent chromium 0.5

Workshop or production facility wastewater discharge

12 total chromium 1.5

Base product displacement (m3/t) 4.5 The displacement measurement position is the same as the pollutant discharge monitoring position

4.1.2 As of January 1,.2015, existing enterprises will implement the water pollutant discharge limits specified in Table 2.

4.1.3 From October 1,.2012, 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 6～9 6～9

Corporate wastewater discharge

2 suspended matter 70.200

3 Chemical oxygen demand (CODcr) 60.200

4 ammonia nitrogen 8 15

5 total nitrogen 20 25

6 total phosphorus 1.0 2.0

7 Petroleum 5 10

8 volatile phenol 0.5 1.0

9 total cyanide 0.5 0.5

10 total zinc 2 4.0

11 hexavalent chromium 0.5

Workshop or production facility wastewater discharge

12 total chromium 1.5

Base product displacement (m3/t) 2.5 The displacement measurement position is the same as the pollutant discharge monitoring position

4.1.4 According to the requirements of environmental protection work, the density of land development has been high, and the environmental carrying capacity has begun to weaken, or

Areas with small environmental capacity, fragile ecological environment, and prone to serious environmental pollution problems requiring special protection measures,

The company should strictly control the pollutant discharge behavior of enterprises, and the enterprises in the above regions shall implement the special discharge limits of water pollutants specified in Table 3.

value.

The geographical scope and time for the implementation of special discharge limits for water pollutants shall be administered by the environmental protection administrative department of the State Council or the provincial level.

The people's government regulations.

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 6～9 6～9

Corporate wastewater discharge

2 suspended matter 20 70

3 Chemical Oxygen Demand (CODcr) 30 60

4 ammonia nitrogen 5 8

5 total nitrogen 15 20

6 total phosphorus 0.5 1.0

7 Petroleum 3 5

8 volatile phenol 0.5 0.5

9 total cyanide 0.5 0.5

10 total zinc 1 2

11 hexavalent chromium 0.5

Workshop or production facility wastewater discharge

12 total chromium 1.0

Base product displacement (m3/t) 2.5 The displacement measurement position is the same as the pollutant discharge monitoring position

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.

condition. If the actual displacement of a unit product exceeds the unit product's baseline displacement, the measured water pollutant concentration shall be determined according to formula (1).

Converted to the baseline discharge discharge concentration of water pollutants, and the discharge concentration of water pollutants as the basis for determining whether the discharge is

The basis for compliance. The product production and displacement statistics 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 pollution in different industries

In the case of dye discharge standards and the discharge of sewage from production facilities, the emission standards shall be implemented.

Strict concentration limits, and according to formula (1), the water pollutants reference discharge discharge concentration.

Base = rhorho xsum iiQ

(1)

In the formula.

Base rho - water pollutant baseline discharge discharge concentration, mg/L;

Total Q -- the total amount of measured drainage, m3;

iY -- the output of the i-th product, t;

Base iQ - unit product base displacement for the i-th product, m3/t;

Real rho -- measured water pollutant concentration, mg/L.

If the ratio of total Q to sum iiQY is less than 1, then the measured concentration of water pollutants is used as the basis for determining whether the emission is up to standard.

according to.

1 particulate matter

Semi-closed furnace, open furnace, refining furnace 80

Workshop or production facility exhaust pipe other facilities 50

2 chromium and its compounds a ferrochrome process 5

Note. a Be implemented after the release of national pollutant monitoring method standards.

4.2.2 As of January 1,.2015, existing enterprises will implement the atmospheric pollutant emission limits specified in Table 5.

4.2.3 As of October 1,.2012, new enterprises will implement the air pollutant emission limits specified in Table 5.

Table 5 Limits of atmospheric pollutant emission concentration of newly-built enterprises

Unit. mg/m3

No. Pollutant production process or facility limit pollutant emission monitoring position

1 particulate matter

Semi-closed furnace, open furnace, refining furnace 50

Workshop or production facility exhaust pipe other facilities 30

2 chromium and its compounds a ferrochrome alloy process 4

Note. a Be implemented after the release of national pollutant monitoring method standards.

4.2.4 According to the requirements of environmental protection work, the density of land development has been high, and the environmental carrying capacity has begun to weaken, or

Areas with small environmental capacity, fragile ecological environment, and prone to serious environmental pollution problems requiring special protection measures,

The company should strictly control the pollutant discharge behavior of enterprises, and the enterprises in the above regions shall implement the special emission of atmospheric pollutants as specified in Table 3.

Limit.

The geographical scope and time for the implementation of special emission limits for atmospheric pollutants shall be administered by the administrative department of environmental protection of the State Council or the province.

Level people's government regulations.

Table 6 Special emission limits for atmospheric pollutants

Unit. mg/m3

No. Pollutant production process or facility limit pollutant emission monitoring position

1 particulate matter

Semi-closed furnace, open furnace, refining furnace 30

Workshop or production facility exhaust pipe other facilities 20

2 chromium and its compound a ferrochrome alloy process 3

Note. a Be implemented after the release of national pollutant monitoring method standards.

4.2.5 Any one-hour average concentration of atmospheric pollutants at the enterprise boundary shall be subject to the limits specified in Table 7.

Table 7 Limits of atmospheric pollutant concentration at the boundary of enterprises

Unit. mg/m3

Serial number pollutant item limit

1 particulate matter 1.0

2 chromium and its compound a 0.006

Note. a Be implemented after the release of national pollutant monitoring method standards.

4.2.6 Environmental protection in charge of supervision in the production process of the existing enterprise production and construction projects completed and accepted

The administrative department shall monitor the ambient air quality in sensitive areas such as residential, teaching, medical and other uses. Construction

The specific monitoring scope of the project is the surrounding sensitive area determined by environmental impact assessment; the existing enterprise that has not conducted environmental impact assessment

Industry, the scope of monitoring is the environmental protection administrative department in charge of supervision, according to the characteristics and laws of corporate sewage discharge and local self-

However, factors such as meteorological conditions are determined by reference to the relevant environmental impact assessment technical guidelines. Local governments should respond to the environmental quality of their jurisdiction

Responsible for taking measures to ensure that environmental conditions meet environmental quality standards.

4.2.7 The production process equipment for generating atmospheric pollutants must establish a local gas collection system and a centralized purification treatment device.

Standard emissions. All exhaust cylinders should be at least 15m high. Exhaust pipe when there is a building within a radius of.200m around the exhaust pipe

The height should also be higher than the highest building by more than 3m.

4.2.8 Before the national standard for the production of unit product is not specified, the measured concentration is used to determine the emission of atmospheric pollutants.

No basis for compliance.

5 Pollutant monitoring requirements

1 pH Water quality Determination of pH value Glass electrode method GB /T 6920-1986

2 Determination of suspended solids suspended solids - Gravimetric method GB/T 11901-1987

3 Chemical oxygen demand water quality Determination of chemical oxygen demand - Potassium dichromate method GB/T 11914-1989

4 ammonia nitrogen

Determination of ammonia nitrogen in water quality - Nachite reagent spectrophotometric method HJ 535-2009

Water quality - Determination of ammonia nitrogen - Salicylic acid spectrophotometric method HJ 536-2009

Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration method HJ 537-2009

Water quality - Determination of ammonia nitrogen - Gas phase molecular absorption spectroscopy HJ/T 195-2005

5 Determination of total nitrogen and total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometric method GB/T 11894-1989

6 Total phosphorus phosphorus - Determination of total phosphorus - Ammonium molybdate spectrophotometric method GB/T 11893-1989

7 Petroleum water quality - Determination of petroleum - Infrared spectrophotometric method GB/T 16488-1996

8 Volatile phenols - Determination of volatile phenols - 4-aminoantipyline spectrophotometric method HJ 503-2009

9 Determination of cyanide in total cyanide - Volumetric method and spectrophotometric method HJ 484-2009

Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method GB/T 7475-1987 Water quality - Determination of zinc - Dithizone spectrophotometric method GB/T 7472-1987

11 Determination of hexavalent chromium in hexavalent chromium - Diphenylcarbazide spectrophotometric method GB/T 7467-1987

12 Total chromium content - Determination of total chromium - Potassium permanganate - Diphenyl carbonyl hydrazide spectrophotometric method GB/T 7466-1987

6 Implementation and supervision

6.1 This standard is supervised and implemented by the environmental protection administrative department of the people's government at or above the county level.

6.2 Under any circumstance, the enterprise shall comply with the pollutant emission control require...