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Project Name: Energy Efficiency Improvement and Renovation Project for the 700,000 tons/year Ethylene Plant of China Petroleum Jilin Petrochemical Company. Location: The Ethylene Plant of China Petroleum Jilin Petrochemical Company, within the Chemical Industry Circular Economy Demonstration Park in Jilin City. The new cracking furnace No. 11 will be located in the southwest area of the existing ethylene plant’s cracking furnaces; to the east are the existing cracking furnaces No. 4 and No. 5; to the south is the circulating water facility; to the west is Tank Area 802; and to the north is the existing cracking furnace No. 10. The Longdong Community residential area, located 1200 meters to the northwest of the environmentally sensitive site closest to the project. Construction unit: Jilin Petrochemical Company of China National Petroleum Corporation. Nature of construction: Renovation. Scale of construction: As part of this renovation, a new 180,000 tons per year heavy cracking furnace, No. 11, will be added to replace the two high-energy-consuming cracking furnaces, No. 2 and No. 3, that are currently in use. The original No. 2 and No. 3 cracking furnaces will be shut down and removed at a later date. After the renovation, the newly built No. 11 cracking furnace will use tail oil and light chemical oils as raw materials, with naphtha also being used as a feedstock. By adjusting the overall operation parameters of the cracking furnaces and operating them in a 8-on/1-off configuration, the total production capacity will be 700,000 tons per year of ethylene. The new cracking furnace features a short residence time, high ethylene yield, high thermal efficiency, large steam production, long operating cycle, and high processing capacity. After the renovation, the overall energy consumption was reduced by 30.9 kgoe per ton of ethylene, reaching an advanced level of 610 kgoe/t, which meets the requirements specified in the \"Limits on Energy Consumption per Unit of Product for Ethylene Plants\" (GB 30250-2013) standard, as well as the benchmark energy efficiency levels for the ethylene industry outlined in the \"Benchmark and Reference Levels for Energy Efficiency in High-Energy-Consuming Industries (2021 Edition)\". Project investment: The total investment amounts to 209.98 million yuan, with environmental protection investments estimated at 6.6 million yuan, accounting for 3.14% of the total investment. Construction period: 18 months. Land area: Total land area of 2400 m2, building area of 1800 m2.