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The cooling tower for Inner Mongolia Sanwei New Materials’ 300,000 tons per year BDO circulating water system was successfully completed. Author/Source: Coal Chemical Industry Information Network. Date: April 18, 2023. Clicks: 17. On April 12, the pouring and completion of the cooling tower for this facility, which is part of Inner Mongolia Sanwei New Materials’ 300,000 tons per year BDO (1,4-butanediol) circulating water system, were successfully carried out by the Northwest Branch of China National Chemical Engineering Corporation No. 11 Construction Co., Ltd.; this marks an important milestone in the completion of the main structures of this project. It is understood that the construction of the main structure for the 300,000 tons per year BDO (1,4-butanediol) cooling tower officially began in August 2022 and took 278 days to complete. Through the joint efforts of all the employees at the project team, the construction of the main structure for this cooling tower was finished on schedule. This 300,000 tons/year BDO (1,4-butanediol) cooling tower project is a crucial milestone for the entire project and the key to its successful completion. This topping-out pouring marks the entry of the 300,000 tons/year BDO (1,4-butanediol) project into a new construction phase. Project Overview: The BDO integration project of Inner Mongolia Sanwei New Materials Co., Ltd. is expected to require a total investment of 13 billion yuan. The BDO integration project produces BDO through the coal-chlor-alkali-acetylene-1,4-butanediol industrial chain, and further develops downstream operations to produce the biodegradable plastic PBAT and high-end polyether material PTMEG. Phase 1 of the project involves the construction of facilities for producing 300,000 tons per year of 1,4-butanediol (BDO), 100,000 tons per year of biodegradable plastic PBAT, 60,000 tons per year of high-end polyether material PTMEG, and 600,000 tons per year of formaldehyde; in addition, there will be a related facility for producing 360,000 tons per year of acetylene raw material (calcium carbide). On March 13, 2022, the groundbreaking ceremony for Phase 1 of the BDO integration project of Inner Mongolia Sanwei New Materials Co., Ltd. (abbreviated as Inner Mongolia Sanwei), a subsidiary of Sanwei Co., was held at the Low-Carbon Industrial Park in the Economic and Technological Development Zone of Wuhai City, Inner Mongolia Autonomous Region.