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As of March 11, 30% of the total construction work for the carbon dioxide recovery project at the Liaohe Petrochemical hydrogen production facility has been completed. The project adopts vacuum pressure swing adsorption (VPSA) and medium-pressure liquefaction process technologies, with completion expected by September 30, 2025. 1. Project progress: All pile-driving work for this project has been completed. The 10 adsorption towers in the capture area have been installed, and the foundations for the vacuum pump room, the compressor room, and the compressors have been finished. 2. Technical approach and products: The project utilizes VPSA and medium-pressure liquefaction processes to produce industrial-grade liquid carbon dioxide with a purity of 99.9%, with an expected annual production volume of 85,200 tons. 3. Project Challenges: Due to the complex process flow of this project, which involves numerous large-scale equipment and many interfaces, system debugging is complicated; as a result, construction is more difficult compared to other projects. 4. Project Management: To ensure construction quality, the Engineering Management Department prepared a winter construction plan prior to commencement and conducted technical briefings. The project team keeps in mind the project management principles of \"safety is of utmost importance, quality comes first, and schedule equals efficiency,\" and carries out work related to quality, schedule, and timeline control, as well as bidding and technical document review, with care and diligence.