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HJ 946-2018 English PDF

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HJ 946-2018: Self-monitoring technology guidelines for pollution sources - Leather and fur making industry
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Standard similar to HJ 946-2018

HJ 948.1   HJ 953   HJ 947   

Basic data

Standard ID HJ 946-2018 (HJ946-2018)
Description (Translated English) Self-monitoring technology guidelines for pollution sources - Leather and fur making industry
Sector / Industry Environmental Protection Industry Standard
Classification of Chinese Standard HJ
Word Count Estimation 9,936
Date of Issue 2018-07-31
Date of Implementation 2018-10-01
Regulation (derived from) Ministry of Ecology and Environment Announcement No. 25 of 2018
Issuing agency(ies) Ministry of Ecology and Environment

HJ 946-2018: Self-monitoring technology guidelines for pollution sources - Leather and fur making industry


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Self-monitoring technology guidelines for pollution sources - Leather and fur making industry National Environmental Protection Standard of the People's Republic Sewage unit self-monitoring technical guide Tanning and fur processing industry Self-monitoring technology guidelines for pollution sources -Leather and fur making industry Published on.2018-07-31 2018-10-01 implementation Ministry of Ecology and Environment released

Content

Foreword..ii 1 Scope.1 2 Normative references.1 3 Terms and Definitions 1 4 General requirements for self-monitoring..2 5 Monitoring plan development..2 6 Information records and reports.5 7 other 6

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" The National Air Pollution Prevention and Control Law, which guides and regulates the self-monitoring work of tanning and fur processing and pollutant discharge units, and formulates this standard. This standard proposes the general requirements for self-monitoring of tanning and fur processing and sewage disposal units, the development of monitoring plans, and information recording. And the basic content and requirements of the report. This standard is the first release. This standard was proposed and organized by the Ministry of Ecology and Environment. This standard is mainly drafted by. China Environmental Monitoring Center, Tianjin Environmental Monitoring Center. This standard is approved by the Ministry of Ecology and Environment on July 31,.2018. This standard has been implemented since October 1,.2018. This standard is explained by the Ministry of Ecology and Environment. Drainage unit self-monitoring technical guide tanning and fur processing industry

1 Scope of application

This standard proposes the general requirements for self-monitoring of pollutant discharge units in the tanning and fur processing industries, the development of monitoring plans, and information. The basic content and requirements of the record and report. This standard applies to water and gas pollutants discharged by the pollutant discharge unit of the tanning and fur processing industry during the production operation phase. Noise and monitoring of the environmental impact of its surroundings. This standard applies to the pollutant discharge unit of the tanning and fur processing industry, and also applies to the tanning and fur processing industrial park. Self-monitoring requirements for self-contained thermal power generating units (plants) and supporting power boilers shall be carried out in accordance with HJ 820.

2 Normative references

The contents of this standard refer to the following documents or their terms. For undated references, the valid version is appropriate. Used in this standard. GB 30486 Water pollutant discharge standard for tannery and fur processing industry HJ 442 Code for Environmental Monitoring of Coastal Waters HJ 819 General Guidelines for Self-Monitoring Technical Units of Sewage Units HJ 820 sewage unit self-monitoring technical guide thermal power generation and boiler HJ/T 2.3 Technical Guidelines for Environmental Impact Assessment Surface Water Environment HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications

3 Terms and definitions

The following terms and definitions defined in GB 30486 apply to this standard. 3.1 Raw hide/skin Refers to the original state of the leather used in the processing of leather or fur, including finished leather or finished products. All stages of the fur before the product, such as rawhide, wet blue, crust leather. 3.2 Leather making industry The skin (ie, raw hide) peeled off from animals such as pigs, cattle, and sheep is subjected to systematic chemical and physical treatment. The process of forming semi-finished leather or finished leather suitable for various purposes. From semi-finished leather to finished leather, it is also a tanning. The scope. 3.3 Leather making industry pollutant emission unit A sewage unit that performs tanning on raw or semi-finished leather (including blue wet leather and crust leather). 3.4 Fur processing industry pollutant emission unit A raw material such as sheepskin, fox skin, mink skin, etc. is used as a raw material to produce a sewage unit for finished fur or sheared fur. 3.5 Leather and fur making park Refers to a certain range of industrial parks, development zones, and a certain range of industrial parks and development zones that contain tanning and fur processing and sewage disposal units for production activities. Industrial gathering places, etc. 4 General requirements for self-monitoring The pollutant discharge unit shall check the pollution source, pollutant index and potential environmental impact of the unit, formulate a monitoring plan, and set up And maintenance monitoring facilities, carry out self-monitoring according to the monitoring plan, do quality assurance and quality control, record and save monitoring Data, publicly monitor the results to the public according to law.

5 Monitoring plan development

5.1 Wastewater discharge monitoring 5.1.1 Monitoring points All tanning and fur processing units must set up monitoring points at the total discharge of wastewater. Using chrome-containing tinctures (including The tanning and fur processing and discharging units of the chromium retanning agent shall be provided with monitoring points in the wastewater discharge port of the workshop or production facility. 5.1.2 Monitoring indicators and monitoring frequency The monitoring indicators and minimum monitoring frequency of the total discharge of wastewater from tanning and fur processing and sewage disposal units are implemented in accordance with Table 1. Table 1 Monitoring indicators and minimum monitoring frequency of wastewater discharge port Sewage unit level Monitoring point monitoring indicator Frequency of monitoring Direct emission indirect emissions Focus Sewage unit Waste water discharge Flow rate, pH value, chemical oxygen demand, automatic monitoring of ammonia nitrogen Total nitrogen day (automatic monitoring a) 5th day biochemical oxygen demand, suspended solids, color, sulfide, Animal and vegetable oil, chloride ion, total phosphorus Month quarter Workshop or production facility Wastewater discharge Total chromium, flow week Hexavalent chromium month Rainwater discharge port chemical oxygen demand, suspended matter day b Non-focused Sewage unit Waste water discharge Flow, pH, chemical oxygen demand, ammonia nitrogen, total nitrogen, Total phosphorus, five-day biochemical oxygen demand, suspended solids, color, Sulfide, animal and vegetable oil, chloride ion Quarterly half year Note. The municipal and above-level environmental protection authorities in the district have clearly requested the installation of pollutant indicators for automatic monitoring equipment, and automatic monitoring is required. Sewage unit level Monitoring point monitoring indicator Frequency of monitoring Direct emission indirect emissions Note. a. After the release of the technical specification for automatic nitrogen monitoring, automatic monitoring is required. b Monitor daily during rainwater discharges. 5.2 Exhaust emission monitoring 5.2.1 Organized exhaust emission monitoring points, monitoring indicators and monitoring frequency Organized exhaust emission monitoring points, monitoring indicators and minimum monitoring frequency for tanning and fur processing and discharging units according to Table 2 carried out. Table 2 Organized exhaust emission monitoring indicators and minimum monitoring frequency Pollution source monitoring point monitoring indicator a monitoring frequency Sewage treatment facility b exhaust odor concentration c, ammonia, hydrogen sulfide year Spraying facility d exhaust pipe benzene, toluene, xylene, non-methane total hydrocarbons for half a year Note. a. Exhaust gas monitoring shall be synchronized to monitor flue gas parameters in accordance with relevant standard analysis methods and technical specifications. b The use of advanced biochemical deodorization and other advanced sewage treatment technologies, its pollutants into the management of unorganized emissions. c According to the environmental impact assessment document and its approval (only for the pollutant discharge unit approved by the environmental impact assessment after January 1,.2015 (including)) And raw material processes, etc. determine whether to monitor other odor pollutants. d The unit of discharge using only water-based finishing materials may not be monitored. If the environmental impact assessment document and its approval have special requirements, monitor as required Pollutant indicator. 5.2.2 Unorganized exhaust emission monitoring points, monitoring indicators and monitoring frequency The unorganized exhaust gas monitoring point setting of the tanning and fur processing and discharging units shall follow the principle of HJ 819, and its emission monitoring The points, monitoring indicators and minimum monitoring frequency are implemented in accordance with Table 3. Table 3 Minimum monitoring frequency of unorganized exhaust gas monitoring indicators Sewage unit type monitoring point monitoring indicator monitoring frequency The sewage unit with the raw material skin library a factory odor concentration g, ammonia year Sewage unit with sulphide hair removal workshop b odor concentration g and hydrogen sulphide year The sewage unit with the grinding workshop is built. Incorporating unorganized wastewater treatment facilities d plant odor concentration g, ammonia, hydrogen sulfide year The sewage unit with the finishing workshop has a total annual hydrocarbon, benzene, toluene, xylene and non-methane Sewerage unit built with coal yard f Note. a only the indicators in the raw material skin storage table of raw hides are stored, and the sewage disposal units of other raw materials such as blue wet leather and crust leather may not be monitored. If a, b, c, d, e, f is built with an exhaust gas collection and treatment system, it is discharged through the exhaust pipe, and its monitoring point is the outlet of the exhaust pipe. The monitoring items and monitoring frequency are maintained. constant. e refers to the blowdown unit that can cause unorganized discharge of exhaust gas, such as roll coating, repairing, brushing, etc., and only the finishing workshop using water-based finishing materials can not be monitored. The unit that completely closes the f coal yard may not monitor the indicators in the table. g According to the environmental impact assessment document and its approval (only for the pollutant discharge unit approved by the environmental impact assessment after January 1,.2015 (including)) And raw material processes, etc. determine whether to monitor other odor pollutants. Emission monitoring point setting, monitoring indicators and minimum monitoring frequency of unorganized exhaust gas in tanning and fur processing industrial parks Execute according to Table 4. Table 4 Unorganized exhaust gas monitoring indicators and minimum monitoring frequency Monitoring frequency of monitoring indicators for monitoring units in sewage units Tanning and fur processing Industrial park Industrial park boundary Odor concentration a, ammonia, hydrogen sulfide, particulate matter, benzene b, A Benzene c, xylene d, non-methane total hydrocarbons Half a year Note. If the monitoring result exceeds the standard, the monitoring frequency of the corresponding indicator should be increased. Note. a According to the environmental impact assessment document and its approval (only for the pollutant discharge unit approved by the environmental impact assessment after January 1,.2015 (including)) And raw material processes, etc. determine whether to monitor other odor pollutants. All sewage disposal units in the b, c, d, and e parks may not be monitored using only water-based finishing materials. 5.3 Environmental noise monitoring at the boundary of the plant The environmental noise monitoring point setting of the plant boundary should follow the principle of HJ 819, mainly considering the drum, fan and leather machine equipment. The distribution of noise sources in the plant area. The ambient noise of the plant boundary shall be monitored at least once a day and night, and the monitoring index is the equivalent A sound level. There are sensitive points around, Sensitive point noise monitoring should be added. The above requirements also apply to noise monitoring at the boundary of the tannery and fur processing industrial parks and surrounding environments. 5.4 Surrounding environment quality impact monitoring 5.4.1 Other environmental management policies, or environmental impact assessment documents and their approvals (only after January 1,.2015 (inclusive) If there is a clear requirement for the pollutant discharge unit approved by the environmental impact assessment, it shall be implemented as required. 5.4.2 If there is no specific requirement, if the pollutant discharge unit considers it necessary, it may monitor the surrounding water and soil environmental quality. can Refer to the relevant regulations of HJ/T 164, HJ/T 166, and HJ 610 to set the surrounding groundwater and soil environmental impact monitoring points. Wastewater discharged directly into surface water, seawater discharge units or industrial parks, can be set according to HJ/T 2.3, HJ/T 91, HJ 442 Monitoring sections and monitoring points, monitoring indicators and minimum monitoring frequency are implemented in accordance with Table 5. Table 5 Minimum monitoring frequency of surrounding environment quality impact Frequency of monitoring of target environmental monitoring indicators Surface water pH, chemical oxygen demand, five-day biochemical oxygen demand, ammonia nitrogen, total phosphorus, total nitrogen, planting Oil, total chromium, hexavalent chromium Quarter seawater pH, chemical oxygen demand, five-day biochemical oxygen demand, dissolved oxygen, active phosphate, no Nitrogen, animal and vegetable oil, total chromium, hexavalent chromium Half a year Soil pH, total chromium, hexavalent chromium, etc. 5.5 Other requirements 5.5.1 In addition to the pollutant indicators in Tables 1 to 5, the pollutant indicators in 5.5.1.1 and 5.5.1.2 should also be included in the monitoring indicators. Range, and refer to Tables 1 to 5 and HJ 819 to determine the frequency of monitoring. 5.5.1.1 Drainage permit, pollutant discharge (control) standards implemented, environmental impact assessment documents and their approvals (only It is limited to the pollutant discharge unit approved by the environmental impact assessment after January 1,.2015 (including), and the relevant environmental management regulations are clearly Seeking indicators of pollutants. 5.5.1.2 According to the raw materials and auxiliary materials used in the production process, the production process, the intermediate and final product types, and the monitoring results Contaminant indicators in the relevant list of toxic, hazardous or preferentially controlled pollutants, or other toxic pollutants index. 5.5.2 The frequency of monitoring of each indicator can be improved according to the principle of determining the frequency of monitoring in HJ 819 on the basis of meeting this standard. Frequency of monitoring. 5.5.3 Sampling methods, monitoring and analysis methods, monitoring quality assurance and quality control shall be performed in accordance with HJ 819. 5.5.4 The description and changes of the monitoring plan shall be implemented in accordance with HJ 819.

6 Information records and reports

6.1 Information Record 6.1.1 Monitoring information record Manual monitoring records and automatic monitoring of operation and maintenance records are performed in accordance with HJ 819. 6.1.2 Record of operation status of production and pollution control facilities The sewage disposal unit shall record in detail the operation status of its production and pollution control facilities, and should also refer to the following contents in daily production. Record relevant information and organize it into a ledger for future reference. 6.1.2.1 Production Health Record The production line records the daily raw material dosage and output. water intake (fresh water), main raw materials (raw material, chemical Learning medicines, etc.), the main name of the tincture, the amount of the main tincture and the yield of the product. 6.1.2.2 Wastewater treatment operation record Record the amount of wastewater treatment, the amount of wastewater reuse, the amount of wastewater discharged, the amount of integrated sludge produced (recorded moisture content), and Chromium sludge production (recording moisture content), name and amount of agent used in wastewater treatment, blower power, etc.; recording of sewage Handle facility operations, failures, and maintenance. 6.1.2.3 Waste gas treatment operation record Record the name and amount of consumables used for exhaust gas treatment on a daily basis; record the operating parameters and faults of the exhaust gas treatment facility. Maintenance situation, etc. 6.1.3 General industrial solid waste and hazardous waste records Record the amount of general industrial solid waste and leather scrap, chromium-containing sludge and other hazardous wastes, comprehensive utilization, and Quantity, storage. Hazardous waste should also record its specific destination in detail. Other hazardous waste generated in raw materials or auxiliary processes The situation should also be recorded. 6.2 Information report, emergency report and information disclosure Executed according to HJ 819.

7 other

The sewage disposal unit shall truthfully record the working conditions during the manual monitoring (including the production load, the operation of the pollution control facilities, etc.). Ensure that the monitoring data is representative. Except as provided in this standard, it is implemented in accordance with HJ 819.

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