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GB 39728-2020 English PDF

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GB 39728-2020: (Emission Standard of Air Pollutants for Onshore Oil and Gas Extraction Industry)
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GB 39728-2020English299 Add to Cart 3 days [Need to translate] (Emission Standard of Air Pollutants for Onshore Oil and Gas Extraction Industry) Valid GB 39728-2020

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GB 37822   GB 37824   GB 31570   GB 39727   GB 39726   

Basic data

Standard ID GB 39728-2020 (GB39728-2020)
Description (Translated English) (Emission Standard of Air Pollutants for Onshore Oil and Gas Extraction Industry)
Sector / Industry National Standard
Classification of Chinese Standard Z60
Word Count Estimation 14,141
Date of Issue 2020-12-24
Date of Implementation 2021-01-01
Regulation (derived from) Ministry of Ecology and Environment Announcement No. 71 of 2020; National Standard Announcement No. 31 of 2020
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB 39728-2020: (Emission Standard of Air Pollutants for Onshore Oil and Gas Extraction 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 Air Pollutants for Onshore Oil and Gas Extraction Industry) ICS 13.040.40 Z 60 National Standards of People's Republic of China Atmospheric pollutants in onshore oil and gas mining industry Emission Standards Emission standard of air pollutants for onshore oil and gas exploitation and production industry Published on 2020-12-08 2021-01-01 Implementation Ministry of Ecology and Environment Released by the State Administration for Market Regulation directory Preface...II 1 Scope...1 2 Normative references...1 3 Terms and Definitions...2 4 Air pollutant emission control requirements for sulfur recovery units in natural gas purification plants...4 5 VOC emission control requirements...5 6 Pollutant monitoring requirements...10 7 Implementation and Supervision...10 Emission standards for air pollutants in the onshore oil and gas mining industry

1 Scope of application

This standard specifies the air pollutant emission control requirements, monitoring and supervision and management requirements for the onshore oil and gas mining industry. This standard applies to the management of air pollutant emissions of existing onshore oil and gas mining industrial enterprises or production facilities, as well as the management of onshore oil and gas Environmental impact assessment, environmental protection facility design, completed environmental protection acceptance, emission permit issuance and Air pollutant emission management after it is put into operation.

2 Normative references

This standard refers to the following documents or clauses thereof. For dated references, only the dated version applies to this standard. For undated references, the latest edition (including all amendments) applies to this standard. GB 9053 Stabilized Light Hydrocarbons GB 37822 Volatile organic compound fugitive emission control standard GB/T 8017 Determination of vapor pressure of petroleum products Reid method GB/T 11059 Determination of crude oil vapor pressure expansion method GB/T 16157 Determination of particulate matter in exhaust gas from stationary pollution sources and sampling methods for gaseous pollutants GB/T 16758 Classification and technical conditions of exhaust hoods HJ 38 Determination of total hydrocarbons, methane and non-methane total hydrocarbons in waste gas from stationary pollution sources by gas chromatography HJ/T 55 Technical guidelines for monitoring fugitive emissions of air pollutants HJ/T 56 Determination of sulfur dioxide in exhaust gas from stationary pollution sources by iodometric method HJ 57 Determination of Sulfur Dioxide in Waste Gas from Stationary Pollution Source Constant Potential Electrolysis HJ 75 Technical Specification for Continuous Monitoring of Flue Gas (SO2, NOx, Particulate Matter) Emissions from Stationary Pollution Sources HJ/T 397 Technical Specification for Stationary Source Waste Gas Monitoring HJ 604 Determination of Total Hydrocarbons, Methane and Non-Methane Total Hydrocarbons in Ambient Air Direct Injection-Gas Chromatography HJ 629 Determination of Sulfur Dioxide in Exhaust Gas from Stationary Pollution Source Non-dispersive Infrared Absorption Method HJ 732 Sampling air bag method for volatile organic compounds in waste gas from stationary pollution sources HJ 733 Technical Guidelines for the Detection of Volatile Organic Compounds in Leaks and Open Liquid Surface Emissions HJ 819 General Principles of Technical Guidelines for Self-Monitoring of Pollutants HJ 1131 Portable UV Absorption Method for Determination of Sulfur Dioxide in Waste Gas from Stationary Pollution Sources WS/T 757-2016 Technical Specification for Wind Speed Detection and Evaluation of Local Exhaust Facilities "Administrative Measures for Automatic Monitoring 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) "Technical Guidelines for Continuous Monitoring of Non-methane Total Hydrocarbon Emissions in Waste Gas from Stationary Pollution Sources (Trial)" (Environmental Office Monitoring Letter [2020] No. 90)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 onshore oil and gas exploitation and production Oil and gas extraction activities in onshore oil and gas fields, onshore and offshore oil and gas fields and onshore terminals of offshore oil and gas fields, including oil and gas exploration Exploration, drilling, completion, logging, logging, downhole operations, oil and gas testing, oil and gas production, oil and gas gathering and transportation, and oil and gas processing operations or processes It does not include oil sands, oil shale, shale gas, coalbed methane, natural gas hydrate and other unconventional oil and gas exploration activities. 3.2 Shallow water coastal oilfield and gasfield Beach-sea oil and gas fields that are close to the shore, are connected to the shore by embankments, and adopt the development method of land oil and gas fields. Produced from the beach platform (artificial island) The oil, gas, water or their mixtures are transported onshore for processing. 3.3 onshore terminal of offshore oil and gas field A station constructed onshore to receive and process oil, gas, water or mixtures thereof from offshore oil and gas fields. 3.4 oil and natural gas centralized processing plant A station for centralized treatment of crude oil, natural gas, produced water, waste water, etc., is also called a joint station. 3.5 natural gas processing plant Desulfurization (carbon), dehydration, hydrocarbon water dew point control, product fractionation, condensate recovery, condensate stabilization, and production yard for the treatment of acid gas and waste water. 3.6 natural gas purification plant A station for desulfurization (carbon), dehydration of natural gas, and treatment of produced sour gas and wastewater. 3.7 oil storage bulk petroleum terminal A station for storing and exporting (transporting) crude oil, stabilized light hydrocarbons and other liquid petroleum and natural gas products. 3.8 natural gas liquid (NGL) The general term for unstabilized liquid hydrocarbon mixtures recovered from natural gas, also known as mixed light hydrocarbons, generally including ethane, liquefied petroleum Oil and gas and stable light hydrocarbon components. 3.9 liquefied petroleum gas (LPG) A hydrocarbon mixture with C3 and C4 as the main components, which is gaseous at normal temperature and pressure, and is liquid after compression or cooling. 3.10 Stabilize light hydrocarbon natural gasoline A liquid petroleum product with pentane and heavier hydrocarbons as the main components extracted from natural gas condensate or crude oil, also known as natural gasoline. Its final boiling point is not higher than 190 ℃, and it is allowed to contain a small amount of butane under the specified vapor pressure. According to GB 9053, it is divided into two grades. No. 1 and No. 2. 3.11 oilfield and gasfield produced water The process of oil and gas production in oil and gas fields produces separated water from the formation along with oil and gas. 3.12 Crude stabilization The process of separating light components from crude oil and reducing the evaporation loss of crude oil. 3.13 recovery hydrocarbon vapor from tank The process in which gaseous hydrocarbons formed by the evaporation of oil products in the recovery tank enter the product system. 3.14 liquid-mounted seal The sealing form of the edge seal of the floating plate of the storage tank is immersed in the liquid surface of the stored material, also known as the liquid inlaid seal. 3.15 mechanical shoe seal A sealing form in which the metal sheet is vertically pressed against the wall of the storage tank by a spring or a counterweight lever. 3.16 double seals A two-layer seal is provided between the edge of the floating plate of the storage tank and the inner wall of the storage tank, also known as double-sealed seal. The lower seal is called a primary seal, The upper seal is called secondary seal. 3.17 vapor balancing system A gas communication and balance system provided between the loading facility and the storage tank or between the storage tank and the storage tank. 3.18 volatile organic compounds (VOCs) Organic compounds participating in atmospheric photochemical reactions, or organic compounds determined according to relevant regulations. This standard uses non-methane total hydrocarbons (NMHC) as a VOCs emission control project. 3.19 non-methane hydrocarbons (NMHC) Sum of gaseous organic compounds other than methane for which the hydrogen flame ionization detector responds, measured as carbon, using the specified monitoring method. 3.20 VOCs materialVOCs-containing materials Raw and auxiliary materials, products and wastes (slag, liquid) with a mass proportion of VOCs greater than or equal to 10%. 3.21 volatile organic liquid Any organic liquid capable of releasing VOCs into the atmosphere that meets one of the following conditions. (1) A single-component organic liquid with a true vapor pressure greater than or equal to 0.3 kPa; (2) In the mixture, the total mass of the components with a true vapor pressure of 0.3 kPa or more accounts for more than or equal to 20% of the organic liquid. 3.22 true vapor pressure The saturated vapor pressure (absolute pressure) at the working (storage) temperature of an organic liquid, or the vaporization rate of an organic mixture liquid at zero Air pressure, also known as bubble point vapor pressure, can be converted according to GB/T 11059, GB/T 8017 and other corresponding measurement methods. Note. For organic liquids working (storing) at room temperature, the working (storing) temperature is calculated based on the maximum monthly average temperature throughout the year. 3.23 leak detection value Using the specified monitoring method, the VOCs concentration detected by the detection instrument at the leakage point of the equipment and pipeline components is deducted from the environmental background value. Net value, expressed as mole fraction of carbon. 3.24 standard state The state when the temperature is 273.15 K and the pressure is 101.325 kPa. The air pollutant emission concentration limits stipulated in this standard are based on the standard The dry gas in the state is the reference. 3.25 Existing enterprise existing facility Onshore oil and gas mining industrial enterprises that have been completed and put into operation or have passed environmental impact assessment documents before the implementation of this standard or production facilities. 3.26 New enterprise new facility New construction, reconstruction and expansion of onshore oil and gas mining industrial constructions that have passed the approval of the environmental impact assessment documents since the date of implementation of this standard project. 3.27 key regions According to the requirements of environmental protection work, the air pollution is serious, or the ecological environment is fragile, or there is a need for further improvement of ambient air quality, etc. Areas that require strict control of air pollutant emissions. 3.28 enterprise boundary facility boundary Legal boundaries of a business or production facility. If it is difficult to determine the legal boundary, it refers to the actual land occupation boundary of the enterprise or production facility. 3.29 stack height The height from the ground level of the exhaust pipe (or its main building structure) to the outlet of the exhaust pipe, in m.

4 Air Pollutant Emission Control Requirements for Sulfur Recovery Units in Natural Gas Purification Plants

4.1 From January 1, 2021, the newly built natural gas purification plant, and the existing natural gas purification plant, from January 1, 2023, shall implement the regulations in Table 1. 5.2.3 Requirements for operation and maintenance of storage tanks 5.2.3.1 Floating roof tank operation requirements 5.2.3.1.1 The tank body is to be kept in good condition, and there should be no holes (except ventilation holes) and cracks. 5.2.3.1.2 The openings (holes) of the accessories of the floating pan shall be closed except for sampling, measurement, routine inspection, maintenance and other normal activities; The edge seal should not be broken. 5.2.3.1.3 When storage tank accessories such as pillars and guides pass through the floating plate, the bottom end of the sleeve shall be inserted into the stored material and sealing measures shall be taken. 5.2.3.1.4 Except for tank emptying operations, the floating pan should always float on the surface of the stored material. 5.2.3.1.5 The automatic ventilation valve shall be closed and well sealed when the floating plate is in the floating state, and can only be opened when the floating plate is in the support state. start. 5.2.3.1.6 The edge breathing valve shall be well sealed when the floating plate is in a floating state, and regularly check whether the constant pressure meets the set requirements. 5.2.3.1.7 Except for the automatic ventilation valve and the edge breathing valve, the outer edge plate of the floating pan and all the opening pipes passing through the floating pan shall be immersed in the storage material. below the liquid level. 5.2.3.2 Operation requirements for fixed roof tanks 5.2.3.2.1 The tank body is to be kept in good condition without holes and cracks. 5.2.3.2.2 The openings (holes) of storage tank accessories shall be closed except for sampling, measurement, routine inspection, maintenance and other normal activities. 5.2.3.2.3 Regularly check whether the constant pressure of the breathing valve meets the set requirements. 5.2.3.3 Tank Maintenance Requirements 5.2.3.3.1 If the external floating roof tank does not meet the requirements of Article 5.2.3.1 and the fixed roof tank does not meet the requirements of Article 5.2.3.2, the repair or emptying shall be completed within 90 days The storage tank is out of use; if the repair or emptying of the storage tank is delayed, the relevant plan should be reported to the competent ecological environment department for confirmation. 5.2.3.3.2 The integrity of the inner floating roof tank is to be inspected during each shutdown and maintenance period. If it is found that it does not meet the requirements of 5.2.3.1, it should be The restoration will be completed during the shutdown and maintenance period; if the restoration is delayed, the relevant plan should be reported to the ecological environment authority for confirmation. 5.2.3.3.3 Prepare inspection and repair records and keep them for at least 3 years. 5.3 VOC Loading Emission Control Requirements 5.3.1 Requirements for loading method The loading of volatile organic liquids should be bottom loading or top submerged loading; if top submerged loading is adopted, the distance between the discharge nozzle and the The height from the bottom of the tank (tank) should be less than.200 mm. 5.3.2 Emission control requirements for NGL, LPG and No. 1 stabilized light hydrocarbon loading The gas phase balance system or other equivalent measures shall be adopted for the loading of natural gas liquid, liquefied petroleum gas and No. 1 stable light hydrocarbon. 5.3.3 Emission control requirements for crude oil and No. 2 stable light hydrocarbon loading 5.3.3.1 Oil and gas centralized processing stations, natural gas processing plants, and oil storage depots shall load crude oil with a true vapor pressure ≥27.6 kPa and No. 2 stable light hydrocarbons. Should meet one of the following requirements. a) Collect and treat the exhaust gas discharged from loading, and the removal efficiency of non-methane total hydrocarbons shall not be lower than 80%; b) Using a gas phase equilibrium system. The total hydrocarbon removal efficiency of Shifei methane is not less than 80%. 5.7 Other emission control requirements 5.7.1 The whole process of collecting, processing and transporting the well products produced by the gas wells in the gas field shall adopt a closed process flow. 5.7.2 In the oil field or oil field block where crude oil stabilization measures are required, the well products produced by the oil well are collected, processed and transported to The whole process of the crude oil stabilization unit should adopt a closed process flow. 5.7.3 The natural gas vented to the oil and gas field shall be recovered. If it cannot be recovered or is difficult to recover, it should be vented after combustion; If it is empty, it shall be reported to the competent department of ecological environment for the record. 5.7.4 The flare system of the centralized oil and gas processing station and natural gas processing plant shall meet the following requirements. a) take measures to recover the liquid discharged into the flare system; b) VOCs and natural gas entering the flare should be ignited in time and fully burned; c) Continuously monitor the working status of the flare and its ignition facilities (flare gas flow, torch flame temperature, fire gas flow, fire temperature etc.), prepare monitoring records and keep them for at least 3 years. 5.8 Requirements for exhaust gas collection and treatment system 5.8.1 The setting of the exhaust hood (gas collection hood) of the exhaust gas collection system shall comply with the provisions of GB/T 16758.If an external exhaust hood is used, it shall be in accordance with GB/T The method specified in 16758 and WS/T 757-2016 measures the control wind speed, and the measurement point should be selected at the VOCs free of VOCs farthest from the opening surface of the exhaust hood. Organize the discharge location, and control the wind speed should not be lower than 0.3 m/s. 5.8.2 The conveying pipeline of the exhaust gas collection system shall be sealed. The exhaust gas collection system should operate under negative pressure; if it is under positive pressure, it should be According to the provisions of GB 37822, the leak detection and repair of the sealing point of the exhaust gas transmission pipeline assembly shall be carried out, and there shall be no sensory perceptible leakage. The leak detection value of VOCs should not exceed 500 μmol/mol. 5.8.3 If the exhaust gas entering the VOCs combustion (incineration, oxidation) device needs supplementary air for combustion and oxidation reaction, To measure the emission concentration of air pollutants, it should be converted into the baseline emission concentration of air pollutants with a baseline oxygen content of 3% according to formula (1). use boiler, For industrial furnaces and solid waste incinerators to incinerate organic waste gas, the baseline oxygen content of flue gas shall be implemented in accordance with its emission standards. The oxygen content of the exhaust gas entering the VOCs combustion (incineration, oxidation) device can meet the needs of its own combustion and oxidation reaction, and no additional supplement is required Air (except for the burner that needs supplementary air to support combustion), the measured mass concentration is used as the basis for determining the compliance, but the flue gas at the outlet of the device contains oxygen The amount shall not be higher than the oxygen content of the exhaust gas at the inlet of the device. Other VOCs treatment facilities such as adsorption, absorption, condensation, biological, membrane separation, etc., use the measured mass concentration as the basis for the determination of compliance, and do not Diluted emissions. 5.8.4 The waste gas collection and treatment system should run synchronously with the production unit or facility. When the exhaust gas collection and treatment system fails or is repaired, the corresponding The production device or facility should be stopped and put into use after troubleshooting or overhaul; the production device or facility cannot be stopped. Or if the operation cannot be stopped in time, emergency treatment facilities for waste gas should be set up or other alternative measures should be taken. 5.8.5 The height of the exhaust pipe should not be less than 15 m (except for production safety considerations or special process requirements), the specific height and the surrounding The relative height relationship of the building shall be determined according to the environmental impact assessment document. 5.8.6 When the exhaust gas combined with exhaust pipe discharge with different emission control requirements is implemented, it shall be monitored before the exhaust gas is mixed, and the corresponding measures shall be implemented. Emission control requirements; if the optional monitoring position can only monitor the mixed exhaust gas, the most stringent emission control requirements shall be followed. Regulations are enforced. 5.9 Requirements for Pollutant Control at the Enterprise Boundary The concentration of non-methane total hydrocarbons at the boundary of oil and gas centralized processing stations, natural gas processing plants involving condensate oil or natural gas condensate, and oil storage depots shall not exceed 4.0 mg/m3.

6 Pollutant Monitoring Requirements

6.1 The enterprise shall establish a monitoring system, formulate a monitoring plan, Carry out self-monitoring of air pollutant emissions, keep original monitoring records, and publish monitoring results. 6.2 The requirements for enterprises to install automatic monitoring equipment for air pollutant emissions shall be in accordance with relevant laws and regulations such as the "Administrative Measures for Automatic Monitoring of Pollution Sources". will be implemented. 6.3 Enterprises should design, build and maintain permanent sampling ports and sampling monitoring platforms in accordance with the requirements of environmental monitoring management regulations and technical specifications. Station and sewage outlet signs. 6.4 The monitoring of air pollutants shall be carried out at the specified monitoring location. If there are waste gas treatment facilities, monitoring shall be carried out after the treatment facilities. 6.5 The monitoring, sampling and determination methods of sulfur dioxide discharged from sulfur recovery devices in natural gas purification plants shall be in accordance with GB/T 16157, HJ/T 397, HJ 75, And the provisions of HJ/T 56, HJ 57, HJ 629, HJ 1131 are implemented. 6.6 Leakage of equipment and pipeline components, VOCs emissions from the open liquid surface of waste water storage and treatment facilities, monitoring sampling and measurement methods are as follows. The provisions of HJ 733 are implemented, using a hydrogen flame ionization detector (with methane or propane as the calibration gas). 6.7 The monitoring, sampling and determination methods of non-methane total hydrocarbons in the organized exhaust gas shall be in accordance with GB/T 16157, HJ/T 397, HJ 732, "Fixed Technical Guidelines for Continuous Monitoring of Non-methane Total Hydrocarbon Emissions in Pollution Source Waste Gas (Trial)" and HJ 38. 6.8 The monitoring, sampling and determination methods of non-methane total hydrocarbons at the enterprise boundary shall be implemented in accordance with the provisions of HJ/T 55 and HJ 604. 6.9 The pollutant monitoring method standard issued by the state after the implementation of this standard, if the applicability meets the requirements, is also applicable to the corresponding pollution of this standard. monitoring of things.

7 Implementation and Supervision

7.1 This standard shall be supervised and implemented by the competent department of ecological environment. 7.2 The enterprise is the main body responsible for the implementation of the emission standard, and shall take necessary measures to meet the pollutant emission control requirements stipulated in this standard. 7.3 For organized emissions, when manual monitoring or online monitoring is used, the average concentration of pollutants measured in accordance with the requirements of monitoring specifications for any 1-hour period shall be determined. If the degree value exceeds the limit specified in this standard or the pollutant removal efficiency is lower than the limit specified in this standard, it is judged as exceeding the standard. 7.4 For the enterprise boundary, when manual monitoring or online monitoring is used, the average concentration of pollutants measured in accordance with the requirements of monitoring specifications for any 1 h If the value exceeds the limit specified in this standard, it is judged as exceeding the standard. 7.5 If the enterprise fails to comply with the measure control requirements stipulated in this standard, which constitutes an illegal act, it shall be dealt with in accordance with relevant regulations such as laws and regulations. 7.6 For the control of VOCs leakage of equipment and pipeline components, if one of the following situations is found, which constitutes an illegal act, follow laws and regulations, etc. Relevant regulations are dealt with. a) The enterprise fails to carry out leak detection and repair work in accordance with the provisions of this standard; b) On-site random inspection, under the condition that no more than 100 sealing points are detected, it is found that there are more than 2 (excluding) that are not within the repair period Visible leakage occurs at the sealing point or exceeds the leakage recognized concentration.

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