GB 25462-2010 English PDF

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GB 25462-2010: Discharge standard of water pollutants for yeast industry
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GB 25462-2010	209	Add to Cart	3 days	Discharge standard of water pollutants for yeast industry	Valid

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Basic data

Standard ID: GB 25462-2010 (GB25462-2010)
Description (Translated English): Discharge standard of water pollutants for yeast industry
Sector / Industry: National Standard
Classification of Chinese Standard: Z60
Word Count Estimation: 9,978
Date of Issue: 2010-09-27
Date of Implementation: 2010-10-01
Quoted Standard: GB/T 6920-1986; GB/T 11893-1989; GB/T 11894-1989; GB/T 11901-1989; GB/T 11903-1989; GB/T 11914-1989; HJ/T 195-2005; HJ/T 199-2005; HJ/T 399-2007; HJ 505-2009; HJ 535-2009; HJ 536-2009; HJ 537-2009; " automatic monitoring pollution management approach" (State Environmental Protection Administration Order No. 28); "Environmental monitoring and Management Measures" (State Environmental Protection Administration Order No. 39)
Regulation (derived from): Department of Environmental Protection Notice 2010 No. 71 (Announcement of Newly Approved National Standards No. 8 of 2010 (total 163))
Issuing agency(ies): Ministry of Environmental Protection, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Summary: This Chinese standard specifies the yeast enterprises or production facilities of water pollutant discharge limits, surveillance and monitoring requirements, and standards for the implementation and supervision of relevant regulations. This standard applies to existing companies or production facilities yeast water pollutant emissions management. This standard applies to the yeast industrial construction project environmental impact assessment, environmental protection facilities design, environmental acceptance and commissioning completed water pollutant emissions management. This standard applies to legally permissible emission behavior.

GB 25462-2010: Discharge standard of water pollutants for yeast 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 water pollutants for yeast industry National Standards of People's Republic of China Yeast industrial water pollutant discharge standard Released on.2010-09-27 2010-10-01 Implementation Ministry of Environmental Protection released State Administration of Quality Supervision, Inspection and Quarantine 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) 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) 6. Lead and zinc industrial pollutant discharge standards (GB 25466-2010) 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.1 4 Water pollutant emission control requirements..2 5 Water pollutant monitoring requirements.4 6 Implementation and supervision. 4 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, "State Council's Decision on Implementing the Scientific Outlook on Development and Strengthening Environmental Protection", etc. Opinions on the planning of the main functional areas of the country, to protect the environment, prevent pollution, and promote the advancement of yeast industrial production processes and pollution control technologies. Set this standard. This standard specifies the limits, monitoring and monitoring requirements for water pollutant discharge in yeast industrial enterprises. To promote the coordinated development of the regional economy and the environment, Promote the adjustment of economic structure and the transformation of economic growth mode, and guide the development direction of industrial production technology and pollution control technology, this standard Specific emission limits for water pollutants have been established. The pollutant discharge concentrations in this standard are all mass concentrations. Yeast industrial enterprises emit atmospheric pollutants (including odorous pollutants), and environmental noise is applied to the corresponding national pollutant discharge standards. The identification, treatment and disposal of solid waste are subject to national solid waste pollution control standards. This standard is the first release. From the date of implementation of this standard, the water pollutant discharge control of yeast industrial enterprises shall be carried out in accordance with the provisions of this standard, and the sewage comprehensive system shall no longer be implemented. Relevant provisions in the Emission Standards (GB 8978-1996). 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. China University of Geosciences (Wuhan), Environmental Protection Institute of the Ministry of Environmental Protection, Hubei Provincial Department of Environmental Protection, Yichang Environmental Protection Bureau. 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. Yeast industrial water pollutant discharge standard

1 Scope of application

This standard specifies the limits, monitoring and monitoring requirements for water pollutants in yeast enterprises or production facilities, as well as the implementation and supervision of standards. Regulations. This standard applies to the management of water pollutant emissions from existing yeast companies or production facilities. This standard applies to the environmental impact assessment of yeast industrial construction projects, the design of environmental protection facilities, the completion of environmental protection acceptance and its investment Post-production water pollutant discharge management. This standard applies to the discharge of pollutants permitted by law. Sites for newly established pollution sources and tubes for existing pollution sources in special protection 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 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 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 11903-1989 Determination of water color chromaticity GB/T 11914-1989 Determination of chemical oxygen demand in water - Dichromate 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 505-2009 Water quality five-day biochemical oxygen demand (BOD5) determination dilution and inoculation 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 Yeast industry The industry of producing various types of dry yeast and fresh yeast products by fermentation process using sugar cane molasses and beet molasses as raw materials. 3.2 Existing enterprise existing facility Yeast enterprises or production facilities that have been approved for production or environmental impact assessment documents have been completed by the date of implementation of this standard. 3.3 New enterprise new facility From the date of implementation of this standard, the environmental impact assessment document has been approved for new construction, reconstruction and expansion of the yeast industrial construction project. 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 wastewater discharge capacity of the production unit yeast product (based on the weight of pure dry yeast) specified for the approval of the concentration of water pollutants. 3.6 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. 3.7 Direct discharge Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment. 3.8 Indirect discharge Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.

4 Water pollutant emission control requirements

4.1 From January 1,.2011 to December 31,.2012, existing companies 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 and chroma) No. Pollutant project limit pollutant discharge monitoring position direct emission indirect discharge 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chromaticity (dilution factor) 50 80 3 suspended matter 70 100 4 5th Biochemical Oxygen Demand (BOD5) 40 80 5 Chemical oxygen demand (CODCr) 300 400 6 ammonia nitrogen 15 25 7 total nitrogen 25 40 8 total phosphorus 1.0 2.0 Unit product base displacement/(m3/t) 100 The displacement metering position is consistent with the pollutant discharge monitoring position 4.2 As of January 1,.2013, existing companies implement the water pollutant discharge limits specified in Table 2. 4.3 Since October 1,.2010, new enterprises have implemented the water pollutant discharge limits specified in Table 2. Table 2 Limits of water pollutant discharge concentration of new enterprises and base product displacement Unit. mg/L (except pH and chroma) No. Pollutant project limit pollutant discharge monitoring position direct emission indirect discharge 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chromaticity (dilution factor) 30 80 3 suspended matter 50 100 4 5th Biochemical Oxygen Demand (BOD5) 30 80 5 Chemical oxygen demand (CODCr) 150 400 6 ammonia nitrogen 10 25 7 total nitrogen 20 40 8 total phosphorus 0.8 2.0 Unit product base displacement/(m3/t) 80 The displacement metering position is consistent with the pollutant discharge monitoring position 4.4 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 water pollution problems and special protection measures are required, the pollution 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. Table 3 Special limits for water pollutants Unit. mg/L (except pH and chroma) No. Pollutant project limit pollutant discharge monitoring position direct emission indirect discharge 1 pH value 6～9 6～9 Corporate wastewater discharge 2 Chromaticity (dilution factor) 20 30 3 suspended matter 20 50 4 5th Biochemical Oxygen Demand (BOD5) 20 30 5 Chemical Oxygen Demand (CODCr) 60 150 6 ammonia nitrogen 8 10 7 total nitrogen 10 20 8 total phosphorus 0.5 0.8 Unit product base displacement/(m3/t) 70 The displacement metering position is consistent with the pollutant discharge monitoring position 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. 4.5 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 the unit is produced If the actual displacement of the product exceeds the base product displacement, the measured water pollutant concentration shall be converted into the water pollutant reference water volume according to formula (1). The concentration is set, and the water concentration of the water pollutant is used as the basis for determining whether the emission is up to standard. Product production and discharge statistics period is One working 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 reference concentration of water pollutants to water. YQ ρ ρ= ⋅⋅∑ total base (1) Where. ρ base - water pollutant reference water 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 discharge 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

5 Water pollutant monitoring requirements

5.1 Sampling of wastewater discharged by enterprises shall be carried out according to the type of pollutants to be monitored, at the monitoring location of the specified pollutant discharge, and there shall be wastewater Facilities should be monitored after the facility. A permanent drain outlet mark shall be provided at the pollutant discharge monitoring position. 5.2 Requirements for the installation of automatic monitoring equipment for pollutant discharge in newly-built enterprises and existing enterprises, in accordance with relevant laws and “Automatic Monitoring and Management of Pollution Sources” The provisions of the Measures are implemented. 5.3 The frequency, sampling time and other requirements for monitoring the discharge of water pollutants of enterprises shall be in accordance with the national technical regulations on pollution source monitoring. Regulations are enforced. 5.4 The verification of the output of the enterprise products shall be based on the statutory statements. 5.5 The method standards listed in Table 4 are used to determine the concentration of pollutants discharged from enterprises. Table 4 Standards for determination of water pollutant concentration No. Contaminant Project Method Standard Name Method Standard Number 1 pH value water quality determination of glass electrode method GB/T 6920-1986 2 Determination of chromaticity of chromaticity water quality GB/T 11903-1989 3 Determination of suspended solids suspended solids - Gravimetric method GB/T 11901-1989 4 5th Biochemical Oxygen Demand Water Quality 5 Days Biochemical Oxygen Demand (BOD5) Determination Dilution and Inoculation Method HJ 505-2009 5 Chemical oxygen demand water quality Determination of chemical oxygen demand - Dichromate method GB/T 11914-1989 Water quality chemical oxygen demand determination Rapid digestion spectrophotometric method HJ/T 399-2007

6 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 7 Determination of total nitrogen in total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometric method GB/T 11894-1989 Determination of total nitrogen in water quality Gas-phase molecular absorption spectroscopy method HJ/T.199-2005 8 Determination of total phosphorus in total phosphorus - Ammonium molybdate spectrophotometric method GB/T 11893-1989 5.6 The enterprise shall monitor the sewage discharge status and preserve the original monitoring in accordance with the relevant laws and the Measures for the Administration of Environmental Monitoring. recording.

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 production enterprise shall comply with the water pollutant emission control requirements stipulated in this standard and take necessary measures to ensure pollution. The control facilities are operating normally. When the environmental protection departments at all levels conduct supervision inspections on enterprises, they can immediately sample or monitor the results on the spot. Determine whether the discharge behavior meets the emission standards and the basis for implementing relevant environmental protection management measures. I found that the water consumption or displacement of the company is different. In the case of constant changes, the actual product output and displacement of the enterprise shall be verified, and the discharge of water pollutants shall be calculated according to the provisions of this standard. concentration. ......

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