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Guanda Enterprise Co., Ltd. won the bid for the process packages of the project aimed at the comprehensive utilization of waste gases to produce 300,000 tons per year of BDO along with related fine chemical products, carried out by Chiping Xinfafa Huaxing Chemical Co., Ltd. under the Xinfafa Group; as well as the circular economy project focused on the efficient conversion of coal into various products and the further processing of BDO, carried out by Shenmu Shenshin New Materials Co., Ltd. The Ciping Xinfafa Huaxing Chemical Co., Ltd. project for the comprehensive utilization of waste gases to produce 300,000 tons per year of BDO along with related fine chemicals is located in the Chemical Industry Park in Ciping District, Liaocheng City, Shandong Province. The total investment in this project is 10 billion yuan; its production facilities are capable of manufacturing 300,000 tons per year of BDO, 180,000 tons per year of PBAT, 100,000 tons per year of PTMEG, 120,000 tons per year of spandex, 50,000 tons per year of NMP, as well as 5,000 tons per year of n-butanol as a by-product. The project’s equipment utilizes advanced process technologies from both domestic and international sources, ensuring that the overall production technology is sophisticated and reliable. · BDO (1,4-butanediol) is produced using the alkyne-aldehyde process ； · PBAT (polyhexanedioic acid/butylene terephthalate) is produced using an ester exchange process ； · PTMEG (poly**furan) is produced using the acetic anhydride-alcoholysis process ； · Spandex is produced using an efficient continuous polymerization dry process ； · GBL (γ-butyrolactone) is produced using the BDO-catalyzed degassing process ； · NMP (N-methylpyrrolidone) is synthesized via a two-step process using γ-butyrolactone and methylamine without a catalyst. Once completed, the project will have a production capacity of 300,000 tons per year of BDO, 180,000 tons per year of PBAT, 100,000 tons per year of PTMEG, 120,000 tons per year of spandex, 50,000 tons per year of NMP, and 5,000 tons per year of n-butanol as by-products. During the operation phase once the project is completed and in full capacity, the annual comprehensive energy consumption will be approximately 540,000 tons of standard coal (equivalent value) and 720,000 tons of standard coal (equivalent amount).