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At 20:00 on April 12, the boiler supporting Jilin Petrochemical’s 1.2 million tons per year ethylene plant was successfully ignited for heating, marking the entry of the new ethylene plant into the final preparation phase before operation. The boiler supporting the 1.2 million tons per year ethylene plant began construction on September 21, 2023, and was completed on November 30, 2024. A total of 422 pile foundations were installed, 6,995 cubic meters of concrete was poured, 1,800 tons of steel structures were installed, 120,000 inches of process pipelines were laid, 76 pieces of mechanical and electrical equipment were installed, and 423,441 meters of cables were routed. As the core unit of Jilin Petrochemical’s refining and chemical industry transformation project, this facility has a total investment of 3.729 billion yuan and covers an area of 118,600 square meters. It utilizes the CBL cracking technology and LECT separation technology developed by Sinopec Engineering Construction Co., Ltd.; once operational, it will be able to produce 1.2 million tons of polymeric-grade ethylene and 587,000 tons of polymeric-grade propylene per year. On April 10, the second desalination station of the small-scale project for the transformation and upgrading of Jilin Petrochemical’s ethylene plant completed the water supply process for the second desalination system, and it is now in the stage of stable operation control. Jilin Petrochemical’s first set of ultra-pure water production equipment equipped with the \"multi-media + ultrafiltration + reverse osmosis + continuous electrodeionization (EDI)\\" technology successfully started up for desalination, providing a solid foundation for the commissioning of the new boiler system. As the core unit of Jilin Petrochemical’s refining and chemical industry transformation project, this facility has a total investment of 3.729 billion yuan and covers an area of 118,600 square meters. It utilizes the CBL cracking technology and LECT separation technology developed by Sinopec Engineering Construction Co., Ltd.; once operational, it will be able to produce 1.2 million tons of polymeric-grade ethylene and 587,000 tons of polymeric-grade propylene per year. The total investment in Jilin Petrochemical’s transformation and upgrading project is 33.9 billion yuan. A total of 21 new oil refining and chemical processing units were built, 7 units were upgraded, and 7 units, including those producing 150,000 tons of ethylene, were shut down. The project is divided into three areas: east, middle, and west, and includes the construction (or expansion) of several advanced units such as a 2.2 million tons per year wax oil hydrocracking unit, a 1.2 million tons per year ethylene unit, a 400,000 tons per year high-density polyethylene unit, and a 400,000 tons per year EVA unit. Since resuming operations this year, the 260,000 tons per year acrylonitrile plant has focused on the installation of air compressors and refrigeration units, and has carried out tasks such as pipeline welding in sequence, non-destructive testing, installation of heat tracing pipelines, as well as insulation work, by utilizing pressure testing as a key approach. At the same time, every effort is being made to complete the civil engineering and steel structure work, as well as the individual unit tests and the installation and commissioning of electrical instruments. The current progress is generally under control, with production scheduled to begin within the year.