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GB 28937-2012Discharge standards of water pollutants for woolen textile industry (English PDF)

毛纺工业水污染物排放标准

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Issued by

SAMR; SAC

Level / Type

National · Mandatory

Issue date

October 19, 2012

Implementation date

January 1, 2013

Scope

GB 28937-2012 is the English-translated version of 毛纺工业水污染物排放标准.

GB 28937-2012 is the Chinese standard "Discharge standards of water pollutants for woolen textile industry".

Its scope clause reads: This standard specifies the emission limits wool mills and facilities owned enterprises scouring water pollutants, monitoring and surveillance Related regulations and requirements, as well as the supervision and implementation of standards.

This standard applies to Shampoo pollutant emission management of existing mills. This standard applies to mills construction project environmental impact assessment, environmental protection facilities design, environmental protection inspection completed Its yield management water pollutant discharge after putting into operation.

This standard applies to water pollution discharge permitted by law.

Sources within the newly established location and special protected areas now There are sources of management, according to "People's Republic of China Water Pollution Prevention Law," "People's Republic of China Marine Environmental Protection Law" "People's Republic of China Environmental Impact Assessment Law" and other laws and relevant regulations, rules of execution.

This standard does not apply to emission control mills dyeing wastewater. Water pollutant emission control requirements of this standard apply to companies directly or indirectly to discharge its statutory outer boundary water pollution Dyeing behavior thereof.

Its clauses include terms and definitions; pollutant emission control requirements; chemical oxygen demand (codcr) 120 200; bod 3050; chemical oxygen demand (codcr) 80 200; bod 2050; chemical oxygen demand (codcr) 60 80; bod 1520; ammonia; implementation and supervision.

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Document preview — GB 28937-2012

National Standard of the People's Republic of China

ICS: 13.030.20
Classification: Z 63

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1. Scope
2 Normative references
3 Terms and Definitions .
4 pollutant emission control requirements
5 pollutant monitoring requirements
6 implementation and monitoring of .

1 Scope

This standard specifies the emission limits wool mills and facilities owned enterprises scouring water pollutants, monitoring and surveillance

Related regulations and requirements, as well as the supervision and implementation of standards.

This standard applies to Shampoo pollutant emission management of existing mills.

This standard applies to mills construction project environmental impact assessment, environmental protection facilities design, environmental protection inspection completed

Its yield management water pollutant discharge after putting into operation.

This standard applies to water pollution discharge permitted by law. Sources within the newly established location and special protected areas now

There are sources of management, according to "People's Republic of China Water Pollution Prevention Law," "People's Republic of China Marine Environmental Protection Law"

"People's Republic of China Environmental Impact Assessment Law" and other laws and relevant regulations, rules of execution.

This standard does not apply to emission control mills dyeing wastewater.

Water pollutant emission control requirements of this standard apply to companies directly or indirectly to discharge its statutory outer boundary water pollution

Dyeing behavior thereof.

2 Normative references

This standard refers to the contents of the following documents or the terms. For undated references, the effective version suitable

For this standard.

Determination of the glass electrode method GB/T 6920-1986 Water quality pH value

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

Determination of GB/T 11901-1989 Water quality suspension Gravimetric method

Determination of GB/T 11914-1989 Water quality chemical oxygen demand dichromate method

Determination of HJ/T 195-2005 Quality ammonia gas phase molecular absorption spectrometry

HJ/T 199-2005 Determination of Water Quality Total Nitrogen gas phase molecular absorption spectrometry

HJ 505-2009 Water quality BOD (BOD5) - Dilution and seeding method

HJ 535-2009 Water quality - Determination of ammonia, sodium's reagent spectrophotometry

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

HJ 537-2009 Water quality - Determination of ammonia distillation - and titration

HJ 636-2012 Water quality Determination of total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometric method

HJ 637-2012 infrared measuring water quality oil and animal and vegetable oils spectrophotometry

"Pollution automatic monitoring and management approach" (SEPA Order No. 28)

"Environmental Monitoring Management Measures" (SEPA Order No. 39)

3 Terms and Definitions

The following terms and definitions apply to this standard.

3.1 mills

Mills refers to the wool fibers or other animal hair fiber as the main raw material, scouring, sliver, dyeing, spinning,

Weaving, dyeing and finishing of production enterprises.

3.2 scouring wastewater

Wool scouring enterprises produced during industrial waste.

3.3 Existing Enterprise

It refers to the implementation of this standard prior to, or has been put into environmental impact assessment document has been approved by the manufacturer and raw wool

Production facility.

3.4 new enterprises

It refers to the date of implementation of this standard from the environmental impact assessment documents for approval by the new construction, renovation and expansion of production facilities wool construction project.

3.5 displacement

It refers to the amount of business to business or production facilities outside the legal boundaries of wastewater discharge, including direct or indirect relationship with the production

Various efflux wastewater (including sewage plant, cooling water, boiler plant and power plant drainage).

3.6 reference displacement per unit of product

Waste water pollutant discharge approved means for a predetermined concentration of production units scoured wool, wool tops and other animals tops

Limits on water emissions.

3.7 public sewage system

Refers to the collection of wastewater pollutant by pipelines, etc., provide drainage and wastewater services can provide more than two sewage units

Meet the relevant emission standards required by enterprises or institutions, including all sizes and types of urban sewage treatment plants, regional (including

Various industrial parks, development zones and industrial gathering, etc.) waste water treatment plants, waste water treatment level it should reach two or secondary the above.

3.8 Direct Emissions

It refers to the emission units discharged directly to the environment of water pollutants behavior.

3.9 Indirect Emissions

Sewage discharge unit refers to a public sewage system water pollutants behavior.

4 pollutant emission control requirements

4.1

is from January 1, 2013 until December 31, 2014, the implementation of existing enterprises specified in Table 1 water pollutant discharge limits.

Table 1 water pollutant discharge of existing business units and product concentration limits reference displacement

Unit. mg/L (pH value except)

Item No. pollutants

Limit

Emissions monitoring location

Direct emissions indirect emissions

1 pH value of 6 ~ 96 ~ 9

Enterprise total wastewater outfall

2 suspension 70100

3 Chemical oxygen demand (CODCr) 120 200

4 BOD 3050

5 TP 1.0 1.5

TN 6 25 40

Ammonia 15 25 7

Animal and vegetable oils 15 15 8

Unit product reference displacement (m3/t product) 30

Displacement measuring position and pollutant discharge

Put the same position monitoring 4.2 Since January 1, 2015, the implementation of existing enterprises specified in Table 2 of water pollutant discharge limits.

4.3

Since January 1, 2013, implementation of new enterprises specified in Table 2 of water pollutant discharge limits.

Table 2 New business concentration limits and water pollutant discharge per unit of product reference displacement

Unit. mg/L (pH value except)

Item No. pollutants

Limit

Emissions monitoring location

Direct emissions indirect emissions

1 pH value of 6 ~ 96 ~ 9

Enterprise total wastewater outfall

2 suspension 60100

3 Chemical oxygen demand (CODCr) 80 200

4 BOD 2050

5 TP 0.5 1.5

TN 6 20 40

Ammonia 10 25 7

Animal and vegetable oils 10 10 8

Unit product reference displacement (m3/t product) 20

Displacement measuring position and pollutant discharge

Put the same position monitoring 4.4 According to the requirements of environmental protection work in the already high density land development, environmental carrying capacity began to weaken, or the environment

Smaller capacity, the ecological environment is fragile, prone to serious environmental pollution problems need to take special measures to protect areas should

Strictly control the emissions behavior of enterprises, enterprises in these areas to perform specified in Table 3 water pollutant discharge limits in particular.

Implementation of water pollutant discharge limits in particular geographical scope, timing, environmental protection administrative department of the State Council or provincial

People's Government.

Table 3 water pollutant discharge limits Special

Unit. mg/L (pH value except)

Item No. pollutants

Emission limits

Emissions monitoring location

Direct emissions indirect emissions

1 pH value of 6 ~ 96 ~ 9

Enterprise total wastewater outfall

2 suspension 2060

3 Chemical oxygen demand (CODCr) 60 80

4 BOD 1520

5 TP 0.5 0.5

TN 6 15 20

Ammonia 7 8 10

8 animal and vegetable oils 33

Unit product reference displacement (m3/t product) 15

Displacement measuring position and pollutant discharge

Put the same position monitoring 4.5 water pollutant discharge concentration limits for the unit displacement of not more than the actual product Unit product reference displacement.

If the actual displacement per unit of product per unit of product than the reference displacement, shall formula (1) will be measured in terms of the concentration of water pollutants

Displacement of water pollutant emissions baseline concentration, and the concentration of water pollutant emissions as a baseline displacement of emissions is determined whether the target of in accordance with. Product yield and displacement statistical period is one day.

In the company's production facilities produce two or more products, emission control requirements applicable to different countries or different industries pollution

Most cases of sewage pollutants emission standards, and the production facilities to produce hybrid process emissions, emission standards should be implemented as specified in

Strict concentration limits, according to the equation (1) the reference in terms of displacement of water pollutants emission concentration.

Base = rhorho × · sigma ii Q (1)

Where.

Yl rho - water pollutant discharge displacement of the reference concentration, mg/L;

Total Q - drainage volume, m3;

iY - product yield, t;

Yl iQ - unit product reference displacement, m3/t;

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

Q and sigma · If the total group ii QY ratio less than 1, places the water measured concentrations of pollutants as a determination of whether the target emissions in accordance with.

5 pollutant monitoring requirements

5.1

pairs of enterprises discharge waste water sampling, monitoring should be based on the type of contaminant, pollutant emission monitoring in a predetermined position,

Waste water treatment facilities, reprocessing facilities should be monitored. Enterprises should be in accordance with national pollution monitoring requirements related to technical specifications

Set the sampling port in the emissions monitoring location should be set outfall flag.

5.2

New and existing business to install automatic monitoring equipment, emissions requirements according to the relevant laws and "pollution automatic

Provision monitoring and management approach "implementation.

5.3

pairs Pollutant emissions monitoring frequency, sampling time and other requirements, according to the national pollution monitoring technology

Standardized regulations.

5.4

enterprise approved product yield, based on the statutory report.

5.5

Enterprise in accordance with relevant laws and regulations, "environmental monitoring management approach", the sewage to monitor the situation and keep the original

Start monitoring records.

Determination of 5.6 pairs of enterprises discharge of water pollutants concentrations using standard methods listed in Table 4.

Table 4 Water pollutant concentration measurement method standard

Item No. Pollutant Method Standard Method Standard No. Title

Method 1 pH glass electrode measuring the value of the water quality of pH GB/T 6920-1986

2 Determination of suspended solids by weight aqueous suspension composition method GB/T 11901-1989

3 Determination of Chemical Oxygen Demand COD water quality dichromate method GB/T 11914-1989

4 BOD water quality BOD (BOD5) - Dilution and seeding method HJ 505-2009

5 TP Determination of total phosphorus ammonium molybdate spectrophotometric method GB/T 11893-1989

6 TN

Water quality Determination of total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometric method HJ 636-2012

Determination of Water Quality Total Nitrogen gas phase molecular absorption spectrometry HJ/T 199-2005

7 Ammonia

Water quality - Determination of ammonia gas phase molecular absorption spectrometry HJ/T 195-2005

Water quality - Determination of ammonia, sodium's reagent spectrophotometry HJ 535-2009

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

Water quality - Determination of ammonia distilled - and titration HJ 537-2009

Determination of petroleum oil in water 8 animal and vegetable oils and animal and vegetable oils Infrared spectrophotometry HJ 637-2012

6 Implementation and Supervision

6.1

standard by the people's governments above the county level environmental protection administrative department responsible for overseeing implementation.

6.2

In any case, the enterprise shall comply with the standards of pollutant emission control requirements, to take the necessary measures to ensure that anti-pollution

Treatment facilities running. Environmental protection departments at all levels supervise the facility checks can instantly spot sampling or monitoring results,

As the basis for determining whether the conduct of the sewage discharge standards and the implementation of the relevant environmental management measures. Found that companies in water

Under abnormal displacement or changing circumstances, it should be approved enterprise actual product yield and displacement, according to the provisions of this standard, for

Operators of water pollutants emission concentration reference displacement.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 11914-89 Water quality - Determination of the chemical oxygen demand - Dichromate method. · HJ/T 195-2005 Water quality - Determination of ammonia nitrogen - Gas-phase molecular absorption spectrometry. · HJ/T 199-2005 Water quality - Determination of total nitrogen - Gas-phase molecular absorption spectrometry.

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