China News Service, June 10, according to the Ministry of Ecology and Environment website, recently, the Ministry of Ecology and Environment, the National Bureau of Statistics, and the Ministry of Agriculture and Rural Affairs jointly issued the "Second National Pollutant Source Census Bulletin". details as follows:
Communiqué of the Second National Pollution Source Census
Ministry of Ecology and Environment of the People's Republic of China
National Bureau of Statistics
Ministry of Agriculture and Rural Affairs of the People's Republic of China
June 8, 2020
According to the requirements of the "Regulations on National Pollutant Source Census" and the "State Council's Notice on the Second National Pollutant Source Census" (Guo Fa [2016] No. 59), the second national pollutant source census is carried out.
The standard time point of the census is December 31, 2017, and the period data is 2017. The census targets are industrial pollution sources (hereinafter referred to as industrial sources), agricultural pollution sources (hereinafter referred to as agricultural sources), domestic pollution sources (hereinafter referred to as living sources), centralized pollution control facilities, and mobile sources that emit pollutants in my country.
According to the unified deployment of the Party Central Committee and the State Council, the relevant departments of all regions and census agencies at all levels have carefully planned and carefully organized. The majority of census personnel are selflessly dedicated and hard working. The census personnel have vigorously supported and actively participated. The national pollution source census task has figured out the basic situation of various types of pollution sources, the amount of major pollutants discharged, and pollution control, etc., and has established key pollution source files and pollution source information databases. The main data are now published as follows:
1. Overall situation
(1) The number of various census objects.
At the end of 2017, the number of census subjects nationwide was 3.5832 million (excluding mobile sources). Including 2,774,000 industrial sources, 378,800 livestock and poultry farms, 639,500 living sources, 84,800 centralized pollution control facilities; the number of census subjects in administrative areas is 3497.
(2) Discharge amount of pollutants.
In 2017, the national water pollutant emissions: 21,439,800 tons of chemical oxygen demand, 963,400 tons of ammonia nitrogen, 3.0414 million tons of total nitrogen, 315,400 tons of total phosphorus, 309,700 tons of animal and vegetable oils, 0.7007 million tons of petroleum, 70,400 tons of volatile phenols, 244.110 Tons, cyanide 54.73 tons, heavy metals (lead, mercury, cadmium, chromium and metal-like arsenic, the same below) 182.54 tons.
Discharge of water pollutants in seven major river basins (the Yangtze River, the Yellow River, the Pearl River, the Songhua River, the Huaihe River, the Haihe River, and the Liaohe River): chemical oxygen demand is 19.5748 million tons, ammonia nitrogen is 856,400 tons, total nitrogen is 2,272,700 tons, and total phosphorus is 284,900 tons. Animal and vegetable oils are 280,000 tons, petroleum products are 0.69 million tons, volatile phenol is 203.55 tons, cyanide is 46.84 tons, and heavy metals are 154.94 tons.
In 2017, the national air pollutant emissions were: 6.932 million tons of sulfur dioxide, 17.8522 million tons of nitrogen oxides, and 16.8045 million tons of particulate matter. This census conducted a tentative survey of volatile organic compounds in some industries and fields, with emissions of 10.1745 million tons.
The emission of atmospheric pollutants in key areas (Beijing, Tianjin, Hebei and the surrounding areas, the Yangtze River Delta, and Fenwei Plains): 1.798 million tons of sulfur dioxide, 6.0247 million tons of nitrogen oxides, 3.634 million tons of particulate matter, and 4.178 million tons of volatile organic compounds.
2. Industrial sources
(1) Basic situation.
At the end of 2017, there were 2.474 million industrial enterprises or industrial activity units.
The top 5 regions for industrial source census are: 548,800 in Guangdong, 431,800 in Zhejiang, 255,600 in Jiangsu, 162,600 in Shandong, and 142,700 in Hebei. The above five regions together accounted for 62.61% of the total number of industrial source census subjects.
The industries with the largest number of industrial source census objects are: 311,900 in the metal products industry, 230,800 in the non-metallic mineral products industry, and 226,800 in the general equipment manufacturing industry. The above three industries together accounted for 31.06% of the total number of industrial source census objects.
(2) Water pollutants.
At the end of 2017, there were 331,200 wastewater treatment facilities in industrial enterprises, with a designed treatment capacity of 298 million cubic meters per day, and an annual wastewater treatment capacity of 3.92 billion cubic meters.
In 2017, water pollutant emissions: chemical oxygen demand 900,900 tons, ammonia nitrogen 44,500 tons, total nitrogen 155,700 tons, total phosphorus 70,900 tons, petroleum 77,000 tons, volatile phenol 244.10 tons, cyanide 54.73 tons, Heavy metals are 176.40 tons.
The top three industries for chemical oxygen demand emissions are: agricultural and sideline food processing industry 179,000 tons, chemical raw materials and chemical products manufacturing industry 119,200 tons, textile industry 109,800 tons. The above three industries together accounted for 44.85% of the industrial source chemical oxygen demand emissions.
The top three industries in terms of ammonia nitrogen emissions are: chemical raw materials and chemical products manufacturing industry 10,900 tons, agricultural and sideline food processing industry 6,300 tons, textile industry 3,400 tons. The above three industries together accounted for 46.29% of the ammonia nitrogen emissions from industrial sources.
The top three industries in total nitrogen emissions: chemical raw materials and chemical products manufacturing industry 38,400 tons, agricultural and sideline food processing industry 20,300 tons, textile industry 18,400 tons. The above three industries together accounted for 49.52% of the total nitrogen emissions from industrial sources.
The top three industries in total phosphorus emissions: 2,637.74 tons of agricultural and sideline food processing industry, 948.79 tons of chemical raw materials and chemical products manufacturing industry, and 806.89 tons of food manufacturing industry. The above three industries together accounted for 55.61% of the total phosphorus emissions from industrial sources.
The top three industries for petroleum emissions: 1,29.99 tons for the automobile manufacturing industry, 1,11.91 tons for the metal products industry, and 731.69 tons for the petroleum, coal and other fuel processing industries. The above three industries together account for 40.85% of industrial-source petroleum emissions.
The top three industries for volatile phenol emissions: 160.39 tons of oil, coal and other fuel processing industries, 46.44 tons of chemical raw materials and chemical products manufacturing industry, and 17.74 tons of ferrous metal smelting and rolling processing industries. The total emissions of the above three industries accounted for 92.00% of the volatile phenol emissions from industrial sources.
The top three industries for cyanide emissions: 19.78 tons of oil, coal and other fuel processing industry, 15.02 tons of chemical raw materials and chemical products manufacturing industry, 7.28 tons of ferrous metal smelting and rolling processing industry. The above three industries together accounted for 76.89% of industrial source cyanide emissions.
The top three industries with heavy metal emissions: 32.17 tons of non-ferrous metal mining and processing industry, 26.06 tons of metal products industry, 24.26 tons of non-ferrous metal smelting and rolling processing industry. The above three industries together accounted for 46.76% of the heavy metal emissions from industrial sources.
(3) Air pollutants.
At the end of 2017, there were 76,700 desulfurization facilities for industrial enterprises, 34,400 denitrification facilities, and 989,900 dedusting facilities.
In 2017, emissions of atmospheric pollutants: 5.209 million tons of sulfur dioxide, 6.459 million tons of nitrogen oxides, 12.705 million tons of particulate matter, and 4.816 million tons of volatile organic compounds.
The top three industries for sulfur dioxide emissions: 1.462 million tons of electricity and heat production and supply industry, 1.245 million tons of non-metallic mineral products industry, 821,300 tons of ferrous metal smelting and rolling processing industry. The above three industries together accounted for 66.75% of industrial sources of sulfur dioxide emissions.
The top three industries in terms of nitrogen oxide emissions are: 1.397 million tons of non-metallic mineral products industry, 1.692 million tons of power and heat production and supply industries, and 1.4342 million tons of ferrous metal smelting and rolling processing industries. The above three industries together accounted for 75.34% of industrial source nitrogen oxide emissions.
The top three industries in terms of particulate emissions: 3.1762 million tons of non-metallic mineral products industry, 1.933 million tons of coal mining and washing industry, and 1.3112 million tons of ferrous metal smelting and rolling processing industries. The above three industries together accounted for 54.77% of the particulate emissions from industrial sources.
The top three industries in terms of volatile organic compound emissions are: 107.57 million tons of chemical raw materials and chemical products manufacturing industry, 675,700 tons of petroleum, coal and other fuel processing industries, and 403,600 tons of rubber and plastic products industry. The above three industries together accounted for 44.78% of the emissions from industrial sources of volatile organic compounds.
(4) Industrial solid waste.
1. General industrial solid waste. In 2017, general industrial solid waste generated 3.868 billion tons, comprehensive utilization was 2.062 billion tons (including comprehensive utilization of 34.9784 million tons of storage in previous years), and disposal volume was 943 million tons (including 35.2571 million tons of disposal in previous years). The amount was 931 million tons, and the dumped amount was 1.5898 million tons.
2. Hazardous waste. In 2017, the amount of hazardous waste generated was 65.841 million tons, the comprehensive utilization and disposal volume was 59.772 million tons, and the cumulative storage at the end of the year was 88.816 million tons.
(5) Associated radioactive mines.
The objects of census of associated radioactive mines are mainly 15 types of mineral mining, smelting and processing industry activity units that may be associated with natural radionuclides. Through the detection and screening of 29,700 enterprises in 8 key industries across the country, a total of 464 enterprises for the development and utilization of associated radioactive mines were identified, mainly distributed in Hunan, Guangdong, Guangxi, Jiangxi, Yunnan, Guizhou, Inner Mongolia and other provinces (regions). Zircon, zirconia, rare earth and other minerals are the main products.
At the end of 2017, the cumulative storage volume of associated radioactive solid waste nationwide was 2.03 billion tons, of which solid wastes with a radioactivity concentration of more than 10 bec/g were mainly rare earth, niobium/tantalum, zircon and zirconia, lead/zinc, germanium/titanium , Iron and other minerals, the total amount is 2,249,500 tons.
3. Agricultural sources
(1) Basic situation.
There are 3061 districts and counties involved in planting, 2843 districts and counties in aquaculture, 2981 districts and counties in livestock and poultry farming, and 378,800 livestock and poultry farms.
In 2017, the discharge of agricultural source water pollutants: 10.6713 million tons of chemical oxygen demand, 216,200 tons of ammonia nitrogen, 1.4149 million tons of total nitrogen, and 212,000 tons of total phosphorus.
(2) Planting industry.
In 2017, the discharge (loss) of water pollutants: ammonia nitrogen 83,000 tons, total nitrogen 719,500 tons, total phosphorus 76,200 tons.
In 2017, the amount of straw produced was 805 million tons, the amount of straw that could be collected was 674 million tons, and the amount of straw utilization was 585 million tons.
In 2017, the use of plastic film was 1.4193 million tons, and the accumulated residue for many years was 1.184 million tons.
(3) Livestock and poultry breeding industry.
In 2017, water pollutant emissions: chemical oxygen demand was 100.53 million tons, ammonia nitrogen was 110,900 tons, total nitrogen was 596,300 tons, and total phosphorus was 117,700 tons.
Among them, the amount of water pollutants discharged from livestock and poultry farms: 6,480,300 tons of chemical oxygen demand, 75,000 tons of ammonia nitrogen, 370,000 tons of total nitrogen, and 80,400 tons of total phosphorus.
(4) Aquaculture.
In 2017, water pollutant emissions: 6.6600 million tons of chemical oxygen demand, 22,300 tons of ammonia nitrogen, 99,100 tons of total nitrogen, and 16,100 tons of total phosphorus.
4. Source of Life
(1) Basic situation.
There were 639,500 census objects of life sources. Among them: 446,100 administrative villages, 96,200 boilers in non-industrial enterprises, and 0.144 million and 95,800 oil storage depots and gas stations operating abroad. The source of life for urban residents is urban urban areas and county towns (including formed towns) as the basic unit of investigation.
(2) Water pollutants.
In 2017, the discharge of pollutants from domestic source water was: 9.834 million tons of chemical oxygen demand, 691,900 tons of ammonia nitrogen, 1.645 million tons of total nitrogen, 95,400 tons of total phosphorus, and 309,700 tons of animal and vegetable oil.
Among them, the amount of pollutants discharged from urban domestic source water was 4.8382 million tons of chemical oxygen demand, 454,100 tons of ammonia nitrogen, 1.0187 million tons of total nitrogen, 58,500 tons of total phosphorus, and 111,700 tons of animal and vegetable oil. Discharge of pollutants from rural living water sources: chemical oxygen demand 4.96962 million tons, ammonia nitrogen 245,500 tons, total nitrogen 446,500 tons, total phosphorus 36,900 tons, animal and vegetable oil 198,800 tons.
(3) Air pollutants.
In 2017, the emissions of atmospheric pollutants from domestic sources were: 1.274 million tons of sulfur dioxide, 729,200 tons of nitrogen oxides, 3.781 million tons of particulate matter, and 2.963 million tons of volatile organic compounds.
5. Centralized pollution control facilities
(1) Basic situation.
At the end of 2017, there were 78,048 centralized sewage treatment units, 4,449 centralized household waste treatment and disposal units, and 1,467 hazardous waste centralized utilization, treatment (treatment) units.
In 2017, pollutant emissions from waste treatment and hazardous waste (medical waste) disposal wastewater (leachate): chemical oxygen demand 24,500 tons, ammonia nitrogen 36,000 tons, total nitrogen 50,600 tons, total phosphorus 113.10 tons, heavy metals 6.14 tons .
In 2017, waste gas emissions from waste incineration and hazardous waste (medical waste) incineration were: sulfur dioxide 40,400 tons, nitrogen oxides 15,200 tons, and particulate matter 0.42 million tons.
(2) The situation of centralized sewage treatment.
In 2017, there were 8,969 urban sewage treatment plants with 59.575 billion cubic meters of sewage; 1,520 industrial sewage centralized treatment plants with 4.075 billion cubic meters of sewage; 66612 rural centralized sewage treatment facilities with 1.026 billion cubic meters of sewage; other sewage There are 947 treatment facilities and 537 million cubic meters of sewage. The total annual sewage treatment is 65.214 billion cubic meters.
In 2017, the reduction of water pollutants: chemical oxygen demand 15.23 million tons, ammonia nitrogen 1.444 million tons, total nitrogen 1.534 million tons, total phosphorus 217.5 thousand tons, animal and vegetable oil 212.8 thousand tons.
In 2017, the amount of dry sludge produced was 10.2671 million tons, and the disposal volume was 100.59 million tons.
(3) The centralized treatment and disposal of domestic garbage.
In 2017, the volume of waste disposal was 339 million tons, of which: 226 million tons were landfilled, 93 million tons were incinerated, and 20 million tons were processed in other ways.
(4) The situation of centralized utilization, disposal (treatment) of hazardous waste.
In 2017, there were 1,125 hazardous waste disposal plants and 342 medical waste disposal (disposal) plants. The designed disposal and utilization capacity is 46.915 million tons/year, and the actual disposal and utilization of hazardous waste is 15.8441 million tons.
Among them, the disposal of industrial hazardous waste was 4.792 million tons, medical waste was 971.1 thousand tons, other hazardous waste was 571,000 tons, and the comprehensive utilization of hazardous waste was 9.228 million tons.
Six, mobile source
(1) Basic situation.
Mobile source census objects include motor vehicles and non-road mobile sources. At the end of 2017, the statistics summarized 267 million motor vehicles, 4.132 million construction machinery, 762 million kilowatts of diesel power for agricultural machinery, 272,800 operating ships, fuel consumption for railway diesel locomotives was 2,461,800 tons, civil aviation aircraft The number of reductions was 10.248 million.
In 2017, emissions of atmospheric pollutants: 420,800 tons of sulfur dioxide, 10.6488 million tons of nitrogen oxides, 351,100 tons of particulate matter, and 239.16 million tons of volatile organic compounds.
(2) Sources of motor vehicle pollution.
In 2017, atmospheric pollutant emissions were: 5.951 million tons of nitrogen oxides, 95,800 tons of particulate matter, and 1.962 million tons of volatile organic compounds.
(3) Non-road mobile pollution sources.
In 2017, emissions of atmospheric pollutants: 420,800 tons of sulfur dioxide, 469,74 tons of nitrogen oxides, 254,300 tons of particulate matter, and 428,800 tons of volatile organic compounds. among them:
Construction machinery emitted 1.5732 million tons of nitrogen oxides, 68,900 tons of particulate matter, and 192,200 tons of volatile organic compounds;
Agricultural machinery emitted 1.893 million tons of nitrogen oxides, 93,700 tons of particulate matter, and 224.5 thousand tons of volatile organic compounds;
Operating ships emit 420,800 tons of sulfur dioxide, 1.0248 million tons of nitrogen oxides, and 84,400 tons of particulate matter in the accounting waters;
Railway diesel locomotives emit 133,700 tons of nitrogen oxides, 0.49 million tons of particulate matter, and 70,200 tons of volatile organic compounds;
Civil aviation aircraft emit 72,700 tons of nitrogen oxides, 24,000 tons of particulate matter, and 4,900 tons of volatile organic compounds.