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On November 21, Shaanxi Yanchang Petroleum Yan’an Energy Chemical Co., Ltd. held the groundbreaking ceremony for the carbonyl new materials project. Zhang Kaiyong, Secretary of the Party Committee and Chairman of Yanchang Petroleum Group, as well as the heads of China Chengda Engineering Company and Shaanxi Huajian Engineering Company, attended the commencement ceremony. The carbonyl new materials project is a key initiative of Yanchang Petroleum Group in its effort to expand, strengthen, and optimize the chemical industry chain. It plays a vital role in further increasing the added value of products, enhancing market competitiveness, and driving the industry chain toward greater differentiation and higher quality. The total investment in the project is 5.321 billion yuan. It focuses on the carbonylation of ethylene, propylene, and butylene to produce high-value-added products such as alcohols, aldehydes, and esters, with further expansion into products like polymethyl methacrylate (PMMA) and high-end EPDM rubber. The goal is to establish a production base for new materials based on alcohols, aldehydes, and esters derived from petroleum. The project is advanced in an orderly manner in three phases, following the principle of \"integrated planning and phased implementation\". By the end of 2026, it is expected that the second ethylene-propylene rubber production line with an annual capacity of 25,000 tons, as part of the first-phase plan, will be able to produce qualified products, while the 50,000-ton/year MTBE production plant (including butene isomerization) and the ACO technology upgrade project will be completed. In the second phase, a 50,000 tons/year EPDM plant and a 100,000 tons/year MMA-PMMA integrated project will be implemented. Under the three-phase plan, facilities for butyl methacrylate and its copolymers, 20,000 tons per year of POM (polyoxymethylene), and 10,000 tons per year of tert-butylamine are to be built, and feasibility studies are currently underway. Upon the full implementation of all three phases of the project, Yanneng Chemical’s annual output value is expected to increase by approximately 4.196 billion yuan, while its annual after-tax profit is set to rise by around 707 million yuan. Additionally, 402 new jobs will be created, bringing significant economic and social benefits, as well as a substantial improvement in its sustainable profitability. It is reported that the Yan’an Coal, Oil, and Gas Resources Comprehensive Utilization Project, which is operated by Yan’an Energy Chemical Co., Ltd. – a wholly-owned subsidiary of Yanchang Petroleum Group – began commercial operation in July 2020. The project features 8 main production units, including ones capable of producing 1.8 million tons per year of methanol, 600,000 tons per year of methanol derivatives, 400,000 tons per year of light oil products, 420,000 tons per year of polyethylene, 300,000 tons per year of polypropylene, 200,000 tons per year of butanol, 80,000 tons per year of 2-PH (dipropylheptyl alcohol), and 25,000 tons per year of EPDM rubber. Among them, the light oil processing unit is the first of its kind in China; the butanol/2-PH co-production unit is the world’s first of its kind; and the EPDM rubber production unit is the world’s first to utilize the solution polymerization process technology developed by Italian company FasTech throughout the entire production process.